1 2018-12-20 Jakub Jelinek <jakub@redhat.com>
3 * cp-tree.h (cp_fully_fold_init): Declare.
4 * cp-gimplify.c (cp_fully_fold_init): New function.
5 * typeck2.c (split_nonconstant_init, store_init_value): Use it
6 instead of cp_fully_fold.
8 2018-12-19 Segher Boessenkool <segher@kernel.crashing.org>
10 * parser.c (cp_parser_asm_definition): Do not allow any asm qualifiers
13 2018-12-19 Segher Boessenkool <segher@kernel.crashing.org>
15 * parser.c (cp_parser_asm_definition) <RID_CONST, RID_RESTRICT>: Give
16 a more specific error message (instead of just falling through).
18 2018-12-19 Segher Boessenkool <segher@kernel.crashing.org>
20 * parser.c (cp_parser_asm_definition): Rewrite the loop to work without
21 "done" boolean variable.
22 * parser.c (cp_parser_asm_definition): Keep track of the location each
23 asm qualifier is first seen; use that to give nicer "duplicate asm
26 2018-12-19 Segher Boessenkool <segher@kernel.crashing.org>
28 * parser.c (cp_parser_asm_definition): Rewrite the loop to work without
29 "done" boolean variable.
31 2018-12-19 David Malcolm <dmalcolm@redhat.com>
34 * typeck.c (convert_for_assignment): Capture location of rhs
35 before stripping, and if available. Use the location when
36 complaining about bad conversions, labelling it with the
37 rhstype if the location was present.
38 * typeck2.c (digest_init_r): Capture location of init before
41 2018-12-19 David Malcolm <dmalcolm@redhat.com>
44 * call.c (op_error): Convert 1st param from location_t to
45 const op_location_t &. Use binary_op_rich_location for binary
47 (build_conditional_expr_1): Convert 1st param from location_t to
48 const op_location_t &.
49 (build_conditional_expr): Likewise.
50 (build_new_op_1): Likewise.
51 (build_new_op): Likewise.
52 * cp-tree.h (build_conditional_expr): Likewise.
53 (build_new_op): Likewise.
54 (build_x_binary_op): Likewise.
55 (cp_build_binary_op): Likewise.
56 * parser.c (cp_parser_primary_expression): Build a location
57 for id-expression nodes.
58 (cp_parser_binary_expression): Use an op_location_t when
59 calling build_x_binary_op.
60 (cp_parser_operator): Build a location for user-defined literals.
61 * typeck.c (build_x_binary_op): Convert 1st param from location_t
62 to const op_location_t &.
63 (cp_build_binary_op): Likewise. Use binary_op_rich_location.
65 2018-12-19 David Malcolm <dmalcolm@redhat.com>
69 * call.c (build_conditional_expr_1): Strip location wrappers when
70 checking for CONST_DECL.
71 (conversion_null_warnings): Use location of "expr" if available.
72 * class.c (fixed_type_or_null): Handle location wrappers.
73 * constexpr.c (potential_constant_expression_1): Likewise.
74 * cvt.c (ignore_overflows): Strip location wrappers when
75 checking for INTEGER_CST, and re-wrap the result if present.
76 (ocp_convert): Call fold_for_warn before checking for INTEGER_CST.
77 * decl.c (reshape_init_r): Strip any location wrapper.
78 (undeduced_auto_decl): Likewise.
79 * expr.c (mark_discarded_use): Likewise for expr.
80 * init.c (build_aggr_init): Likewise before checking init for
82 (warn_placement_new_too_small): Call fold_for_warn on adj before
83 checking for CONSTANT_CLASS_P, and on nelts. Strip any location
84 wrapper from op0 and on oper before checking for VAR_P.
85 * parser.c (cp_parser_primary_expression): Call
86 maybe_add_location_wrapper on numeric and string literals.
87 (cp_parser_postfix_expression): Strip any location wrapper when
88 checking for DECL_IS_BUILTIN_CONSTANT_P.
89 (cp_parser_unary_expression): Ensure that folding of NEGATE_EXPR
90 around a constant happens in the presence of location wrappers and
91 returns a wrapped result.
92 (cp_parser_has_attribute_expression): Strip any location wrapper
94 (cp_parser_binary_expression): Strip any location wrapper when
95 checking for DECL_P on the lhs.
96 (cp_parser_decltype): Strip any location wrapper from result of
97 cp_parser_decltype_expr.
98 (cp_parser_mem_initializer): Add location wrappers to the
99 parenthesized expression list.
100 (cp_parser_template_parameter_list): Don't create wrapper nodes
101 within a template-parameter-list.
102 (cp_parser_template_argument_list): Don't create wrapper nodes
103 within a template-argument-list.
104 (cp_parser_parameter_declaration): Strip location wrappers from
106 (cp_parser_gnu_attribute_list): Don't create wrapper nodes.
107 (cp_parser_std_attribute_spec_seq): Likewise.
108 (cp_parser_omp_all_clauses): Don't create wrapper nodes within
110 (cp_parser_omp_for_loop): Likewise.
111 (cp_parser_omp_declare_reduction_exprs): Likewise.
112 * pt.c (convert_nontype_argument_function): Strip location
113 wrappers from fn_no_ptr before checking for FUNCTION_DECL.
114 (tsubst_default_argument): Move note about which callsite led to
115 instantiation to after the check_default_argument call.
116 (do_auto_deduction): Likewise from init before checking for
118 * semantics.c (force_paren_expr): Likewise from expr before
120 (finish_parenthesized_expr): Likewise from expr before
121 checking for STRING_CST.
122 (perform_koenig_lookup): Likewise from fn.
123 (finish_call_expr): Likewise.
124 (finish_id_expression): Rename to...
125 (finish_id_expression_1): ...this, calling
126 maybe_add_location_wrapper on the result.
127 (capture_decltype): Use lookup_name_real rather than value_member
128 when looking up decl within the capture-list.
129 * tree.c (cp_stabilize_reference): Strip any location wrapper.
130 (builtin_valid_in_constant_expr_p): Likewise.
131 (strip_typedefs_expr): Strip any location wrapper before checking
132 for decls or constants.
133 (is_overloaded_fn): Likewise.
134 (maybe_get_fns): Likewise.
135 (selftest::test_lvalue_kind): Verify lvalue_p.
136 * typeck.c (cxx_sizeof_expr): Strip any location wrapper.
137 (cxx_alignof_expr): Likewise.
138 (is_bitfield_expr_with_lowered_type): Handle location wrappers.
139 (cp_build_array_ref): Call maybe_constant_value on "idx".
140 (cp_build_binary_op): Strip location wrapper from first_arg before
141 checking for PARM_DECL. Likewise for op1 before checking for
142 INTEGER_CST in two places. Likewise for orig_op0 and orig_op1
143 when checking for STRING_CST.
144 (cp_build_addr_expr_1): Likewise for arg when checking for
146 (cp_build_modify_expr): Likewise for newrhs when checking for
148 (convert_for_assignment): Don't strip location wrappers when
149 stripping NON_LVALUE_EXPR.
150 (maybe_warn_about_returning_address_of_local): Strip location
151 wrapper from whats_returned before checking for DECL_P.
152 (can_do_nrvo_p): Strip location wrapper from retval.
153 (treat_lvalue_as_rvalue_p): Likewise.
154 (check_return_expr): Likewise.
155 * typeck2.c (cxx_incomplete_type_diagnostic): Strip location
156 wrapper from value before checking for VAR_P or PARM_DECL.
157 (digest_init_r): Strip location wrapper from init. When
158 copying "init", also copy the wrapped node.
160 2018-12-19 Jakub Jelinek <jakub@redhat.com>
163 * constexpr.c (cxx_eval_constant_expression) <case CONSTRUCTOR>: Do
164 re-process TREE_CONSTANT CONSTRUCTORs if they aren't reduced constant
167 2018-12-19 Alexandre Oliva <aoliva@redhat.com>
170 * pt.c (convert_template_argument): Canonicalize type after
174 * method.c (do_build_copy_constructor): Guard cvquals init and
175 loop over fields to run for non-inherited ctors only.
176 (synthesize_method): Retain location of inherited ctor.
178 2018-12-17 Jakub Jelinek <jakub@redhat.com>
181 * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: For offsetof-like folding,
182 call maybe_constant_value on val to see if it is INTEGER_CST.
184 2018-12-17 Jonathan Wakely <jwakely@redhat.com>
187 * typeck.c (build_static_cast): Print a note when the destination
188 type or the operand is a pointer/reference to incomplete class type.
190 2018-12-16 Jakub Jelinek <jakub@redhat.com>
193 * except.c (verify_library_fn): New function.
194 (declare_library_fn): Use it. Initialize TM even if the non-TM
195 library function has been user declared.
196 (do_end_catch): Don't set TREE_NOTHROW on error_mark_node.
197 (expand_start_catch_block): Don't call initialize_handler_parm
199 (build_throw): Use verify_library_fn. Initialize TM even if the
200 non-TM library function has been user declared. Don't crash if
201 any library fn is error_mark_node.
203 2018-12-14 Jason Merrill <jason@redhat.com>
205 * pt.c (tsubst_expr) [DECL_EXPR]: Ignore class-scope bindings when
206 looking up a capture proxy.
208 2018-12-15 Paolo Carlini <paolo.carlini@oracle.com>
211 * decl.c (check_tag_decl): A decltype with no declarator
212 doesn't declare anything.
214 2018-12-14 Alexandre Oliva <aoliva@redhat.com>
217 * pt.c (tsubst_exception_specification): Handle
218 DEFERRED_NOEXCEPT with !defer_ok.
220 2018-12-14 Jason Merrill <jason@redhat.com>
223 * parser.c (cp_parser_template_id): Rearrange deferred access
224 checks into the firewall.
226 2018-12-14 Jakub Jelinek <jakub@redhat.com>
230 * init.c (build_vec_init): Change num_initialized_elts type from int
231 to HOST_WIDE_INT. Build a RANGE_EXPR if e needs to be repeated more
234 2018-12-13 Marek Polacek <polacek@redhat.com>
236 PR c++/88216 - ICE with class type in non-type template parameter.
237 * mangle.c (write_expression): Handle TARGET_EXPR and
239 * pt.c (convert_nontype_argument): Don't call
240 get_template_parm_object for value-dependent expressions.
242 2018-12-13 Nathan Sidwell <nathan@acm.org>
245 * class.c (finish_struct): Set DECL_CONTEXT of template assign op.
246 * name-lookup.c (get_class_binding_direct): Don't strip using-decl
248 * parser.c (cp_parser_postfix_expression): Cope with using decl in
250 * semantics.c (finish_id_expr): Likewise.
252 2018-12-12 Paolo Carlini <paolo.carlini@oracle.com>
254 * decl.c (grokdeclarator): Fix location of error message about
255 static data member definition.
257 2018-12-12 Jakub Jelinek <jakub@redhat.com>
260 * cp-tree.h (maybe_constant_value): Add manifestly_const_eval
262 * constexpr.c (struct constexpr_call): Rename pretend_const_required
263 member to manifestly_const_eval.
264 (struct constexpr_ctx): Likewise.
265 (constexpr_call_hasher::equal): Adjust users.
266 (cxx_eval_builtin_function_call): Likewise. Formatting fix.
267 (cxx_eval_call_expression): Adjust users.
268 (cxx_eval_outermost_constant_expr, maybe_constant_init_1,
269 maybe_constant_init): Rename pretend_const_required argument to
270 manifestly_const_eval, adjust function comments.
271 (maybe_constant_value): Add manifestly_const_eval argument. If true,
272 don't cache and call cxx_eval_outermost_constant_expr with true as
273 manifestly_const_eval.
274 * decl.c (compute_array_index_type_loc): Call maybe_constant_value
275 with true as manifestly_const_eval.
278 * constexpr.c (struct constexpr_call): Add pretend_const_required
280 (constexpr_call_hasher::equal): Return false if pretend_const_required
282 (cxx_eval_call_expression): Adjust new_call initialization. Hash in
283 ctx->pretend_const_required.
285 2018-12-11 Jakub Jelinek <jakub@redhat.com>
288 * class.c (build_vtbl_initializer): For TARGET_VTABLE_USES_DESCRIPTORS
289 bump index for each added word.
290 * constexpr.c (find_array_ctor_elt): Add forward declaration.
291 (cxx_eval_call_expression): Handle TARGET_VTABLE_USES_DESCRIPTORS
293 (cxx_eval_constant_expression) <case OBJ_TYPE_REF>: Divide token
294 by TARGET_VTABLE_USES_DESCRIPTORS if non-zero.
296 2018-12-11 Marek Polacek <polacek@redhat.com>
298 PR c++/86608 - reading constexpr volatile variable.
299 * constexpr.c (potential_constant_expression_1): Check want_rval
300 instead of checking if we have a decl.
301 * decl2.c (decl_maybe_constant_var_p): Don't consider volatile
302 constexpr variables as maybe constant.
304 2018-12-11 Paolo Carlini <paolo.carlini@oracle.com>
306 * decl.c (grokvardecl): Add location_t parameter and use it
307 in build_lang_decl_loc and build_decl calls.
308 (grokdeclarator): Move up loc declaration and use it in the
309 grokvardecl call too.
311 2018-12-09 Cesar Philippidis <cesar@codesourcery.com>
313 * parser.c (cp_parser_oacc_kernels_parallel): Adjust EXPR_LOCATION
314 on the combined acc loop.
316 2018-12-07 Paolo Carlini <paolo.carlini@oracle.com>
318 * decl2.c (grokbitfield): Use DECL_SOURCE_LOCATION in error messages
319 about bit-fields with function type, warn_if_not_aligned type, and
320 static bit-fields; avoid DECL_NAME for unnamed declarations.
322 2018-12-07 Jakub Jelinek <jakub@redhat.com>
325 * call.c (make_temporary_var_for_ref_to_temp): Call pushdecl even for
329 * constexpr.c (adjust_temp_type): Handle EMPTY_CLASS_EXPR.
331 2018-12-06 Paolo Carlini <paolo.carlini@oracle.com>
333 * class.c (check_bitfield_decl): In error message about non-integral
334 type print the type itself too.
335 * decl.c (grokdeclarator): Do not ICE on unnamed bit-fields declared
336 friends; when calling build_decl for a FIELD_DECL possibly pass the
339 2018-12-06 Alexandre Oliva <aoliva@redhat.com>
342 * pt.c (tsubst_friend_class): Enter tsubsted class context.
345 * except.c (build_noexcept_spec): Resolve nondependent
348 2018-12-06 Jason Merrill <jason@redhat.com>
350 PR c++/88136 - -Wdeprecated-copy false positives
351 * class.c (classtype_has_depr_implicit_copy): Rename from
352 classtype_has_user_copy_or_dtor.
353 * method.c (lazily_declare_fn): Adjust.
354 * decl2.c (cp_warn_deprecated_use): Refer to -Wdeprecated-copy-dtor
355 if deprecation is due to a destructor.
357 2018-12-06 Marek Polacek <polacek@redhat.com>
359 PR c++/88373 - wrong parse error with ~.
360 * parser.c (cp_parser_template_name): Check tag_type for
363 2018-12-06 Segher Boessenkool <segher@kernel.crashing.org>
365 * cp-tree.h (finish_asm_stmt): Update declaration.
366 * parser.c (cp_parser_asm_definition): Detect the inline keyword
367 after asm. Pass a flag for it to finish_asm_stmt.
368 * pt.c (tsubst_expr): Pass the ASM_INLINE_P flag to finish_asm_stmt.
369 * semantics.c (finish_asm_stmt): Add inline_p parameter. Use it to
372 2018-12-06 Segher Boessenkool <segher@kernel.crashing.org>
375 * parser.c (cp_parser_asm_definition): Update grammar. Allow any
376 combination of volatile and goto, in any order, without repetitions.
378 2018-12-06 David Malcolm <dmalcolm@redhat.com>
381 * call.c (conversion_null_warnings): Try to use the location of
382 the expression for the warnings. Add notes showing the parameter
383 of the function decl, where available.
384 (get_fndecl_argument_location): For implicitly-declared functions,
385 use the fndecl location rather than that of the param.
386 (maybe_inform_about_fndecl_for_bogus_argument_init): New function.
387 (convert_like_real): Use it in various places to avoid repetition.
388 (complain_about_bad_argument): Likewise.
389 * cp-tree.h (maybe_inform_about_fndecl_for_bogus_argument_init):
391 * decl2.c (check_default_args): Put all diagnostics for the fndecl
392 into a diagnostic group. Use the location of the parameter when
393 complaining about parameters with missing default arguments in
394 preference to that of the fndecl. Attempt to record the location
395 of the first parameter with a default argument and emit a note
396 for the first parameter that's missing one.
397 * typeck.c (convert_arguments): When complaining about parameters
398 with incomplete types, attempt to use the location of the
399 argument. Where available, add a note showing the pertinent
400 parameter in the fndecl.
401 (convert_for_assignment): When complaining about bad conversions
402 at function calls, use the location of the unstripped argument.
403 (convert_for_initialization): When checking for bogus references,
404 add an auto_diagnostic_group, and update the note to use the
405 location of the pertinent parameter, rather than just the callee.
407 2018-12-06 Paolo Carlini <paolo.carlini@oracle.com>
409 * decl2.c (grokbitfield): Use DECL_SOURCE_LOCATION in error message;
410 print the type too; fix thinko in INDIRECT_TYPE_P use.
412 2018-12-05 Alexandre Oliva <aoliva@redhat.com>
415 * constexpr.c (adjust_temp_type): Test for type equality with
417 (constexpr_call_hasher::equal): Likewise.
419 2018-12-04 Paolo Carlini <paolo.carlini@oracle.com>
422 * decl.c (grokdeclarator): Avoid crashing on an anonymous bit-field
425 2018-12-04 Marek Polacek <polacek@redhat.com>
427 PR c++/88184 - ICE when treating name as template-name.
428 * pt.c (lookup_template_function): Always build the TEMPLATE_ID_EXPR
429 with unknown_type_node.
431 2018-12-04 Julian Brown <julian@codesourcery.com>
433 * parser.c (cp_parser_oacc_wait_list): Fix error message and avoid
434 duplicate diagnostic.
436 2018-12-04 Jakub Jelinek <jakub@redhat.com>
439 * typeck.c (build_class_member_access_expr): If unary_complex_lvalue
440 turned xvalue_p into non-xvalue_p, call move on it.
442 2018-12-02 Jakub Jelinek <jakub@redhat.com>
445 * parser.c (cp_parser_skip_to_closing_parenthesis_1,
446 cp_parser_skip_to_end_of_statement,
447 cp_parser_skip_to_end_of_block_or_statement,
448 cp_parser_skip_to_closing_brace,
449 cp_parser_skip_to_closing_square_bracket,
450 cp_parser_skip_balanced_tokens): Don't treat CPP_PRAGMA_EOL specially
451 if in_pragma is false.
453 2018-12-01 Marek Polacek <polacek@redhat.com>
455 Implement P0634R3, Down with typename!
456 * parser.c (CP_PARSER_FLAGS_TYPENAME_OPTIONAL): New enumerator.
457 (cp_parser_type_name): Remove declaration.
458 (cp_parser_postfix_expression): Pass CP_PARSER_FLAGS_TYPENAME_OPTIONAL
459 to cp_parser_type_id.
460 (cp_parser_new_type_id): Pass CP_PARSER_FLAGS_TYPENAME_OPTIONAL to
461 cp_parser_type_specifier_seq.
462 (cp_parser_lambda_declarator_opt): Pass
463 CP_PARSER_FLAGS_TYPENAME_OPTIONAL to
464 cp_parser_parameter_declaration_clause.
465 (cp_parser_condition): Pass CP_PARSER_FLAGS_NONE to
466 cp_parser_declarator.
467 (cp_parser_simple_declaration): Pass CP_PARSER_FLAGS_NONE to
468 cp_parser_init_declarator.
469 (cp_parser_conversion_type_id): Pass CP_PARSER_FLAGS_NONE to
470 cp_parser_type_specifier_seq.
471 (cp_parser_default_type_template_argument): Pass
472 CP_PARSER_FLAGS_TYPENAME_OPTIONAL to cp_parser_type_id.
473 (cp_parser_template_parameter): Pass CP_PARSER_FLAGS_TYPENAME_OPTIONAL
474 to cp_parser_parameter_declaration.
475 (cp_parser_explicit_instantiation): Pass CP_PARSER_FLAGS_NONE to
476 cp_parser_declarator.
477 (cp_parser_simple_type_specifier): Adjust call to cp_parser_type_name
478 to relay if we should treat the typename keyword as optional. Maybe
479 call cp_parser_make_typename_type is parsing a template-id and it's
481 (cp_parser_type_name): Remove unused function.
482 (cp_parser_enum_specifier): Pass to CP_PARSER_FLAGS_NONE
483 cp_parser_type_specifier_seq.
484 (cp_parser_alias_declaration): Pass CP_PARSER_FLAGS_TYPENAME_OPTIONAL
485 to cp_parser_type_id.
486 (cp_parser_init_declarator): New parameter. Pass it down to
487 cp_parser_declarator.
488 (cp_parser_declarator): New parameter. Pass CP_PARSER_FLAGS_NONE to
489 cp_parser_declarator. Pass the new parameter to
490 cp_parser_direct_declarator.
491 (cp_parser_direct_declarator): New parameter. Pass it to
492 cp_parser_parameter_declaration_clause and cp_parser_declarator.
493 (cp_parser_declarator_id):
494 (cp_parser_type_id_1): New parameter. Pass it to
495 cp_parser_type_specifier_seq. Adjust call to cp_parser_declarator.
496 (cp_parser_type_id): New parameter. Pass it to cp_parser_type_id_1.
497 (cp_parser_template_type_arg): Pass CP_PARSER_FLAGS_NONE to
499 (cp_parser_trailing_type_id): Pass CP_PARSER_FLAGS_TYPENAME_OPTIONAL
500 to cp_parser_type_id_1.
501 (cp_parser_type_specifier_seq): New parameter.
502 (function_being_declared_is_template_p):
503 (cp_parser_parameter_declaration_clause): New parameter. Pass it to
504 cp_parser_parameter_declaration_list.
505 (cp_parser_parameter_declaration_list): New parameter. Pass it to
506 cp_parser_parameter_declaration.
507 (cp_parser_parameter_declaration): New parameter. Pass it to
508 cp_parser_decl_specifier_seq. Pass CP_PARSER_FLAGS_NONE to
509 cp_parser_declarator.
510 (cp_parser_member_declaration): Adjust call to
511 cp_parser_decl_specifier_seq to also include
512 CP_PARSER_FLAGS_TYPENAME_OPTIONAL. Pass
513 CP_PARSER_FLAGS_TYPENAME_OPTIONAL to cp_parser_declarator.
514 (cp_parser_exception_declaration): Pass CP_PARSER_FLAGS_NONE to
515 cp_parser_type_specifier_seq and cp_parser_declarator.
516 (cp_parser_requirement_parameter_list): Pass CP_PARSER_FLAGS_NONE to
517 cp_parser_parameter_declaration_clause.
518 (cp_parser_constructor_declarator_p): Resolve the TYPENAME_TYPE.
519 (cp_parser_single_declaration): Pass CP_PARSER_FLAGS_TYPENAME_OPTIONAL
520 to cp_parser_decl_specifier_seq and cp_parser_init_declarator.
521 (cp_parser_cache_defarg): Pass CP_PARSER_FLAGS_NONE to
522 cp_parser_declarator and cp_parser_parameter_declaration_list.
523 (cp_parser_objc_method_tail_params_opt): Pass CP_PARSER_FLAGS_NONE to
524 cp_parser_parameter_declaration.
525 (cp_parser_objc_class_ivars): Pass CP_PARSER_FLAGS_NONE to
526 cp_parser_declarator.
527 (cp_parser_objc_try_catch_finally_statement): Pass CP_PARSER_FLAGS_NONE
528 to cp_parser_parameter_declaration
529 (cp_parser_objc_struct_declaration): Pass CP_PARSER_FLAGS_NONE to
530 cp_parser_declarator.
531 (cp_parser_omp_for_loop_init): Pass CP_PARSER_FLAGS_NONE to
532 cp_parser_declarator and cp_parser_type_specifier_seq.
534 2018-11-30 David Malcolm <dmalcolm@redhat.com>
536 * typeck2.c: Include "gcc-rich-location.h".
537 (cxx_incomplete_type_diagnostic): When complaining about possibly
538 missing parens, add a fix-it hint if the member function takes no
541 2018-11-30 James Norris <jnorris@codesourcery.com>
543 * parser.c (cp_parser_oacc_enter_exit_data): Use existing local
546 2018-11-29 Paolo Carlini <paolo.carlini@oracle.com>
548 * decl.c (compute_array_index_type_loc): New, like the current
549 compute_array_index_type but takes a location_t too.
550 (compute_array_index_type): Forward to the latter.
551 (create_array_type_for_decl): Use compute_array_index_type_loc.
553 2018-11-29 David Malcolm <dmalcolm@redhat.com>
556 * cp-name-hint.h (suggest_alternative_in_scoped_enum): New decl.
557 * error.c (dump_scope): Ensure that we print any scope for values
558 of unscoped enums. Print the scope of values of scoped enums.
559 (qualified_name_lookup_error): Offer suggestions for failures
560 within scoped enums by calling suggest_alternative_in_scoped_enum.
561 * name-lookup.c (class namespace_hints): Update comment to mention
563 (namespace_hints::namespace_hints): Call
564 maybe_add_candidate_for_scoped_enum.
565 (namespace_hints::maybe_add_candidate_for_scoped_enum): New member
566 (suggest_alternatives_for): Update comment to mention scoped
568 (suggest_alternative_in_scoped_enum): New function.
570 2018-11-28 Marek Polacek <polacek@redhat.com>
572 Implement P1094R2, Nested inline namespaces.
573 * parser.c (cp_parser_namespace_definition): Parse the optional inline
574 keyword in a nested-namespace-definition. Adjust push_namespace call.
577 2018-11-28 Nathan Sidwell <nathan@acm.org>
580 * class.c (finish_struct): In a template, add artificial using
583 2018-11-28 Jan Hubicka <hubicka@ucw.cz>
585 * except.c (do_allocate_exception): Annotate __cxa_allocate_exception
588 2018-11-28 Marek Polacek <polacek@redhat.com>
590 PR c++/88222 - ICE with bit-field with invalid type.
591 * decl.c (grokdeclarator): Check if declarator is null.
593 2018-11-28 Jakub Jelinek <jakub@redhat.com>
596 * typeck2.c (digest_init_r): Re-add handing of signed/unsigned char
597 strings and add it to the initialization of wide array from non-wide
598 string diagnostics too.
600 2018-11-27 Jakub Jelinek <jakub@redhat.com>
603 * decl.c (grokdeclarator): Don't diagnose deduction guide errors
607 * class.c (fixup_attribute_variants): Also propagate TYPE_PACKED
610 2018-11-26 Marek Polacek <polacek@redhat.com>
612 PR c++/88120 - ICE when calling save_expr in a template.
613 * typeck.c (cp_build_binary_op): Call cp_save_expr instead of
616 2018-11-22 Jakub Jelinek <jakub@redhat.com>
619 * parser.c (cp_parser_operator): Use str.get_value () instead of just
620 str in USERDEF_LITERAL_VALUE and USERDEF_LITERAL_SUFFIX_ID arguments.
622 2018-11-21 Jakub Jelinek <jakub@redhat.com>
625 * method.c (maybe_explain_implicit_delete): If
626 FUNCTION_FIRST_USER_PARMTYPE (decl) is NULL, set const_p to false
630 * parser.c (cp_parser_primary_expression): Use
631 id_expression.get_location () instead of id_expr_token->location.
632 Adjust the range from id_expr_token->location to
633 id_expressio.get_finish ().
634 (cp_parser_operator_function_id): Pass location of the operator
635 token down to cp_parser_operator.
636 (cp_parser_operator): Add start_loc argument, always construct a
637 location with caret at start_loc and range from start_loc to the
638 finish of the last token.
641 * parser.c (cp_parser_linkage_specification): Remove useless
642 dereference of the consume_open method result.
644 2018-11-20 Martin Sebor <msebor@redhat.com>
646 * cp-tree.h (cp_check_const_attributes): Declare.
647 * decl2.c (cp_check_const_attributes): Declare extern.
648 * parser.c (cp_parser_has_attribute_expression): New function.
649 (cp_parser_unary_expression): Handle RID_HAS_ATTRIBUTE_EXPRESSION.
650 (cp_parser_gnu_attribute_list): Add argument.
652 2018-11-20 Jakub Jelinek <jakub@redhat.com>
655 * constexpr.c (cxx_eval_constant_expression) <case OBJ_TYPE_REF>: Punt
656 if get_base_address of ADDR_EXPR operand is not a DECL_P.
658 2018-11-19 Marek Polacek <polacek@redhat.com>
660 PR c++/87781 - detect invalid elaborated-type-specifier.
661 * parser.c (cp_parser_elaborated_type_specifier): Ensure that
662 typename follows a nested-name-specifier.
664 2018-11-18 Paolo Carlini <paolo.carlini@oracle.com>
666 * decl2.c (grokfield): Remove obsolete _vptr check; fix
667 explicit template argument list error location.
669 2018-11-16 Kamlesh Kumar <kamleshbhalui@gmail.com>
673 * parser.c (cp_parser_noexcept_specification_opt): Call
674 inject_this_parameter.
676 2018-11-16 Jason Merrill <jason@redhat.com>
678 Implement P0479R5, [[likely]] and [[unlikely]].
679 * tree.c (handle_likeliness_attribute): New.
680 (std_attribute_table): Add likely/unlikely.
681 * cp-gimplify.c (lookup_hotness_attribute, remove_hotness_attribute)
682 (process_stmt_hotness_attribute, first_stmt): New.
683 (genericize_if_stmt): Check for duplicate predictions.
684 * parser.c (cp_parser_statement): Call
685 process_stmt_hotness_attribute.
686 (cp_parser_label_for_labeled_statement): Apply attributes to case.
687 * decl.c (finish_case_label): Give label in template type void.
688 * pt.c (tsubst_expr) [CASE_LABEL_EXPR]: Copy attributes.
689 [PREDICT_EXPR]: Handle.
691 2018-11-16 Nathan Sidwell <nathan@acm.org>
693 Remove ovl_used, it is no longer needed
694 * cp-tree.h (OVL_USED_P): Delete.
695 (lookup_keep): Delete.
696 * friend.c (add_friend): Don't call it.
697 * parser.c (lookup_literal_operator): Likewise.
698 (cp_parser_primary_expression): Likewise.
699 * semantics.c (perform_koenig_lookup): Likewise.
700 * pt.c (tsubst_copy <OVERLOAD>): Don't assert OVL_USED_P.
701 * tree.c (ovl_copy): Delete.
702 (ovl_insert): Remove OVL_USED_P checks.
703 (ovl_iterator::reveal_node): Likewise.
704 (ovl_iterator::remove__node): Likewise.
705 (ovl_used, lookup_keep): Delete.
708 * parser.c (lookup_literal_operator): Mark overload for keeping
709 when inside template. Refactor.
711 2018-11-15 Nathan Sidwell <nathan@acm.org>
715 * typeck.c (finish_class_member_access_expr): Conversion operator
716 to dependent type is dependent.
718 2018-11-15 Paolo Carlini <paolo.carlini@oracle.com>
720 * constexpr.c (ensure_literal_type_for_constexpr_object): Use
721 DECL_SOURCE_LOCATION in error_at calls.
723 2018-11-15 Nathan Sidwell <nathan@acm.org>
726 * cp-tree.h (enum special_function_kind): Add sfk_virtual_destructor.
727 * method.c (type_has_trivial_fn): Add it.
728 (SFK_DTOR_P): Likewise.
729 (synthesized_method_base_walk): Don't check access of vbases of
730 abstract classes when sfk_virtual_destructor.
731 (synthesized_method_walk): Skip vbases of abstract classes except
732 when sfk_virtual_destructor.
733 (get_defaulted_eh_spec): Set sfk_virtual_destructor as needed.
735 * cp-tree.h (enum special_function_kind): Reorder and comment.
736 * method.c (SFK_CTOR_P, SFK_DTOR_P, SFK_ASSIGN_P, SFK_COPY_P)
737 (SFK_MOVE_P): New predicates.
738 (walk_field_subobs, synthesized_method_base_walk): Drop
739 copy_arg_p, move_p, assign_p args. Use new SFK predicates. Order
740 parameters consistently.
741 (synthesized_method_walk): Drop ctor_p, copy_arg_p, move_p,
742 assign_p calculations. Use new SFK predicates. Adjust calls to
745 2018-11-14 Paolo Carlini <paolo.carlini@oracle.com>
747 * parser.c (make_id_declarator): Add location_t parameter.
748 (cp_parser_lambda_declarator_opt): Adjust call.
749 (cp_parser_decomposition_declaration): Likewise.
750 (cp_parser_alias_declaration): Likewise.
751 (cp_parser_direct_declarator): Likewise.
752 (cp_parser_member_declaration): Likewise.
753 (cp_parser_objc_class_ivars): Likewise.
754 * decl.c (grokdeclarator): Use declarator->id_loc in two error
757 2018-11-14 Jakub Jelinek <jakub@redhat.com>
759 P1236R1 - Signed integers are two's complement
760 * constexpr.c (cxx_eval_check_shift_p): Disable the signed LSHIFT_EXPR
763 2018-11-13 David Malcolm <dmalcolm@redhat.com>
765 * call.c: Replace "source_location" with "location_t".
766 * cp-tree.h: Likewise.
768 * name-lookup.c: Likewise.
769 * parser.c: Likewise.
770 * typeck.c: Likewise.
772 2018-11-12 Jason Merrill <jason@redhat.com>
774 Implement P0315R4, Lambdas in unevaluated contexts.
775 * decl2.c (min_vis_expr_r): Handle LAMBDA_EXPR.
776 * mangle.c (write_expression): Handle LAMBDA_EXPR.
777 * parser.c (cp_parser_lambda_expression): Allow lambdas in
778 unevaluated context. Start the tentative firewall sooner.
779 (cp_parser_lambda_body): Use cp_evaluated.
780 * pt.c (iterative_hash_template_arg): Handle LAMBDA_EXPR.
781 (tsubst_function_decl): Substitute a lambda even if it isn't
783 (tsubst_lambda_expr): Use cp_evaluated. Always complain.
784 (tsubst_copy_and_build) [LAMBDA_EXPR]: Do nothing if tf_partial.
785 * semantics.c (begin_class_definition): Allow in template parm list.
786 * tree.c (strip_typedefs_expr): Pass through LAMBDA_EXPR.
787 (cp_tree_equal): Handle LAMBDA_EXPR.
789 * pt.c (fn_type_unification): If we have a full set of explicit
790 arguments, go straight to substitution.
792 * decl2.c (min_vis_expr_r, expr_visibility): New.
793 (min_vis_r): Call expr_visibility.
794 (constrain_visibility_for_template): Likewise.
796 Implement P0722R3, destroying operator delete.
797 * call.c (std_destroying_delete_t_p, destroying_delete_p): New.
798 (aligned_deallocation_fn_p, usual_deallocation_fn_p): Use
800 (build_op_delete_call): Handle destroying delete.
801 * decl2.c (coerce_delete_type): Handle destroying delete.
802 * init.c (build_delete): Don't call dtor with destroying delete.
803 * optimize.c (build_delete_destructor_body): Likewise.
805 Implement P0780R2, pack expansion in lambda init-capture.
806 * parser.c (cp_parser_lambda_introducer): Parse pack init-capture.
807 * pt.c (tsubst_pack_expansion): Handle init-capture packs.
808 (lookup_init_capture_pack): New.
809 (tsubst_expr) [DECL_EXPR]: Use it.
810 (tsubst_lambda_expr): Remember field pack expansions for
813 * cp-tree.h (struct cp_evaluated): New.
814 * init.c (get_nsdmi): Use it.
815 * parser.c (cp_parser_enclosed_template_argument_list): Use it.
816 * pt.c (coerce_template_parms, tsubst_aggr_type): Use it.
818 2018-11-09 Jakub Jelinek <jakub@redhat.com>
820 * parser.c (cp_parser_omp_clause_final, cp_parser_omp_clause_if): Use
821 cp_parser_assignment_expression instead of cp_parser_condition.
822 (cp_parser_omp_clause_num_threads, cp_parser_omp_clause_num_tasks,
823 cp_parser_omp_clause_grainsize, cp_parser_omp_clause_priority,
824 cp_parser_omp_clause_num_teams, cp_parser_omp_clause_thread_limit,
825 cp_parser_omp_clause_linear, cp_parser_omp_clause_device): Use
826 cp_parser_assignment_expression instead of cp_parser_expression.
827 (cp_parser_omp_clause_hint): Likewise. Formatting fix.
829 * parser.c (cp_parser_omp_clause_reduction): Call sorry_at on
830 reduction clause with inscan modifier.
832 * parser.c (cp_parser_omp_requires): Call sorry_at on requires
833 clauses other than atomic_default_mem_order.
835 2018-11-09 Martin Sebor <msebor@redhat.com>
838 * pt.c (warn_spec_missing_attributes): Move code to attribs.c.
839 Call decls_mismatched_attributes.
841 2018-11-08 Jakub Jelinek <jakub@redhat.com>
843 * constexpr.c (potential_constant_expression_1): Handle OMP_DEPOBJ.
844 * cp-gimplify.c (cp_genericize_r): Handle
845 OMP_CLAUSE_{IN,TASK}_REDUCTION.
846 (cxx_omp_predetermined_sharing_1): Don't return
847 OMP_CLAUSE_DEFAULT_SHARED for const qualified decls with no mutable
848 member. Return OMP_CLAUSE_DEFAULT_FIRSTPRIVATE for this pointer.
849 * cp-objcp-common.c (cp_common_init_ts): Handle OMP_DEPOBJ.
850 * cp-tree.def (OMP_DEPOBJ): New tree code.
851 * cp-tree.h (OMP_ATOMIC_DEPENDENT_P): Return true also for first
852 argument being OMP_CLAUSE.
853 (OMP_DEPOBJ_DEPOBJ, OMP_DEPOBJ_CLAUSES): Define.
854 (cp_convert_omp_range_for, cp_finish_omp_range_for): Declare.
855 (finish_omp_atomic): Add LOC, CLAUSES and MO arguments. Remove
857 (finish_omp_for_block): Declare.
858 (finish_omp_flush): Add MO argument.
859 (finish_omp_depobj): Declare.
860 * cxx-pretty-print.c (cxx_pretty_printer::statement): Handle
862 * dump.c (cp_dump_tree): Likewise.
863 * lex.c (cxx_init): Likewise.
864 * parser.c: Include memmodel.h.
865 (cp_parser_for): Pass false as new is_omp argument to
867 (cp_parser_range_for): Add IS_OMP argument, return before finalizing
869 (cp_parser_omp_clause_name): Handle nontemporal, in_reduction and
870 task_reduction clauses.
871 (cp_parser_omp_var_list_no_open): Handle
872 OMP_CLAUSE_{IN,TASK}_REDUCTION. For OMP_CLAUSE_DEPEND, parse clause
873 operands as either an array section, or lvalue assignment expression.
874 (cp_parser_omp_clause_if): Handle cancel and simd modifiers.
875 (cp_parser_omp_clause_defaultmap): Parse new kinds of defaultmap
877 (cp_parser_omp_clause_reduction): Add IS_OMP and KIND arguments.
878 Parse reduction modifiers. Pass KIND to c_parser_omp_variable_list.
879 (cp_parser_omp_clause_lastprivate, cp_parser_omp_iterators): New
881 (cp_parser_omp_clause_depend): Parse iterator modifier and handle
882 iterators. Parse mutexinoutset and depobj kinds.
883 (cp_parser_oacc_all_clauses): Adjust cp_parser_omp_clause_reduction
885 (cp_parser_omp_all_clauses): Likewise. Handle
886 PRAGMA_OMP_CLAUSE_NONTEMPORAL and
887 PRAGMA_OMP_CLAUSE_{IN,TASK}_REDUCTION. Call
888 cp_parser_omp_clause_lastprivate for OpenMP lastprivate clause.
889 (cp_parser_omp_atomic): Pass pragma_tok->location as
890 LOC to finish_omp_atomic. Parse hint and memory order clauses.
891 Handle default memory order from requires directive if any. Adjust
892 finish_omp_atomic caller.
893 (cp_parser_omp_critical): Allow comma in between (name) and hint
895 (cp_parser_omp_depobj): New function.
896 (cp_parser_omp_flush): Parse flush with memory-order-clause.
897 (cp_parser_omp_for_cond): Allow NE_EXPR even in OpenMP loops.
898 (cp_convert_omp_range_for, cp_finish_omp_range_for): New functions.
899 (cp_parser_omp_for_loop): Parse C++11 range for loops among omp
900 loops. Handle OMP_CLAUSE_IN_REDUCTION like OMP_CLAUSE_REDUCTION.
901 (OMP_SIMD_CLAUSE_MASK): Add if and nontemporal clauses.
902 (cp_parser_omp_simd, cp_parser_omp_for): Call keep_next_level before
903 begin_omp_structured_block and call finish_omp_for_block on
904 finish_omp_structured_block result.
905 (cp_parser_omp_master): Add p_name, mask and cclauses arguments.
906 Allow to be called while parsing combined parallel master.
907 Parse combined master taskloop{, simd}.
908 (cp_parser_omp_parallel): Parse combined
909 parallel master{, taskloop{, simd}} constructs.
910 (cp_parser_omp_single): Use SET_EXPR_LOCATION.
911 (OMP_TASK_CLAUSE_MASK): Add in_reduction clause.
912 (OMP_TASKWAIT_CLAUSE_MASK): Define.
913 (cp_parser_omp_taskwait): Handle taskwait with depend clauses.
914 (OMP_TASKGROUP_CLAUSE_MASK): Define.
915 (cp_parser_omp_taskgroup): Parse taskgroup clauses, adjust
916 c_finish_omp_taskgroup caller.
917 (cp_parser_omp_distribute): Call keep_next_level before
918 begin_omp_structured_block and call finish_omp_for_block on
919 finish_omp_structured_block result.
920 (cp_parser_omp_teams): Force a BIND_EXPR with BLOCK around teams
922 (cp_parser_omp_target_data): Allow target data with only
923 use_device_ptr clauses.
924 (cp_parser_omp_target): Set OMP_REQUIRES_TARGET_USED bit in
926 (cp_parser_omp_requires): New function.
927 (OMP_TASKLOOP_CLAUSE_MASK): Add reduction and in_reduction clauses.
928 (cp_parser_omp_taskloop): Add forward declaration. Disallow
929 in_reduction clause when combined with parallel master. Call
930 keep_next_level before begin_omp_structured_block and call
931 finish_omp_for_block on finish_omp_structured_block result.
932 (cp_parser_omp_construct): Adjust cp_parser_omp_master caller.
933 (cp_parser_pragma): Handle PRAGMA_OMP_DEPOBJ and PRAGMA_OMP_REQUIRES.
934 * pt.c (tsubst_omp_clause_decl): Add iterators_cache argument.
935 Adjust recursive calls. Handle iterators.
936 (tsubst_omp_clauses): Handle OMP_CLAUSE_{IN,TASK}_REDUCTION and
937 OMP_CLAUSE_NONTEMPORAL. Adjust tsubst_omp_clause_decl callers.
938 (tsubst_decomp_names):
939 (tsubst_omp_for_iterator): Change orig_declv into a reference.
940 Handle range for loops. Move orig_declv handling after declv/initv
942 (tsubst_expr): Force a BIND_EXPR with BLOCK around teams body.
943 Adjust finish_omp_atomic caller. Call keep_next_level before
944 begin_omp_structured_block. Call cp_finish_omp_range_for for range
945 for loops and use {begin,finish}_omp_structured_block instead of
946 {push,pop}_stmt_list if there are any range for loops. Call
947 finish_omp_for_block on finish_omp_structured_block result.
948 Handle OMP_DEPOBJ. Handle taskwait with depend clauses. For
949 OMP_ATOMIC call tsubst_omp_clauses on clauses if any, adjust
950 finish_omp_atomic caller. Use OMP_ATOMIC_MEMORY_ORDER rather
951 than OMP_ATOMIC_SEQ_CST. Handle clauses on OMP_TASKGROUP.
952 (dependent_omp_for_p): Always return true for range for loops if
953 processing_template_decl. Return true if class type iterator
954 does not have INTEGER_CST increment.
955 * semantics.c: Include memmodel.h.
956 (handle_omp_array_sections_1): Handle OMP_CLAUSE_{IN,TASK}_REDUCTION
957 like OMP_CLAUSE_REDUCTION.
958 (handle_omp_array_sections): Likewise. Call save_expr on array
959 reductions before calling build_index_type. Handle depend clauses
961 (finish_omp_reduction_clause): Call save_expr for whole array
962 reduction sizes. Don't mark OMP_CLAUSE_DECL addressable if it has
963 reference type. Do mark decl_placeholder addressable if needed.
964 Use error_at with OMP_CLAUSE_LOCATION (c) as first argument instead
966 (cp_omp_finish_iterators): New function.
967 (finish_omp_clauses): Don't diagnose nonmonotonic clause with static,
968 runtime or auto schedule kinds. Diagnose nogroup clause used with
969 reduction clause(s). Handle depend clause with
970 OMP_CLAUSE_DEPEND_DEPOBJ. Diagnose bit-fields. Require
971 omp_depend_t type for OMP_CLAUSE_DEPEND_DEPOBJ kinds and
972 some different type for other kinds. Use cp_build_addr_expr
973 and cp_build_indirect_ref instead of cxx_mark_addressable.
974 Handle depend clauses with iterators. Only handle static data members
975 in the special case that const qualified vars may be specified in
976 firstprivate clause. Complain if const qualified vars without mutable
977 members are mentioned in data-sharing clauses other than firstprivate
978 or shared. Use error_at with OMP_CLAUSE_LOCATION (c) as first
979 argument instead of error. Diagnose more than one nontemporal clause
980 refering to the same variable. Use error_at rather than error for
981 priority and hint clause diagnostics. Fix pasto for hint clause.
982 Diagnose hint expression that doesn't fold into INTEGER_CST.
983 Diagnose if clause with modifier other than cancel. Handle
984 OMP_CLAUSE_{IN,TASK}_REDUCTION like OMP_CLAUSE_REDUCTION. Allow any
985 lvalue as OMP_CLAUSE_DEPEND operand (besides array section), adjust
987 (handle_omp_for_class_iterator): Don't create a new TREE_LIST if one
988 has been created already for range for, just fill TREE_PURPOSE and
989 TREE_VALUE. Call cp_fully_fold on incr.
990 (finish_omp_for): Don't check cond/incr if cond is global_namespace.
991 Pass to c_omp_check_loop_iv_exprs orig_declv if non-NULL. Don't
992 use IS_EMPTY_STMT on NULL pre_body. Adjust c_finish_omp_for caller.
993 (finish_omp_for_block): New function.
994 (finish_omp_atomic): Add LOC argument, pass it through
995 to c_finish_omp_atomic and set it as location of OMP_ATOMIC* trees.
996 Remove SEQ_CST argument. Add CLAUSES and MO arguments. Adjust
997 c_finish_omp_atomic caller. Stick clauses if any into first argument
998 of wrapping OMP_ATOMIC.
999 (finish_omp_depobj): New function.
1000 (finish_omp_flush): Add MO argument, if not
1001 MEMMODEL_LAST, emit __atomic_thread_fence call with the given value.
1002 (finish_omp_cancel): Diagnose if clause with modifier other than
1005 2018-11-07 Nathan Sidwell <nathan@acm.org>
1008 * cp-tree.h (struct tree_overload): Fix comment.
1009 * tree.c (ovl_iterator::reveal_node): Propagate OVL_DEDUP_P.
1011 2018-11-04 Jason Merrill <jason@redhat.com>
1013 Implement UDL changes from P0732R2.
1014 * cp-tree.h (struct releasing_vec): Move from mangle.c.
1016 * parser.c (cp_parser_userdef_string_literal): Use it. Handle
1017 passing the string to a single template parameter of class type.
1018 (cp_parser_template_declaration_after_parameters): Allow it.
1019 Pedwarn about the character pack template that was proposed but not
1020 accepted for C++14, and don't suggest it.
1022 Implement P0732R2, class types in non-type template parameters.
1023 * error.c (dump_simple_decl): Look through a template parm object.
1024 * mangle.c (write_template_arg): Likewise.
1025 (mangle_template_parm_object): New.
1026 * pt.c (template_parm_object_p, get_template_parm_object): New.
1027 (invalid_tparm_referent_p): Factor from convert_nontype_argument.
1028 (convert_nontype_argument, invalid_nontype_parm_type_p): Handle
1029 class-type template arguments.
1030 * tree.c (lvalue_kind): Likewise.
1032 * cvt.c (ocp_convert): Don't wrap a CONSTRUCTOR in a NOP_EXPR.
1033 * constexpr.c (initialized_type): Fix AGGR_INIT_EXPR handling.
1034 (cxx_eval_vec_init_1): Correct type of AGGR_INIT_EXPR.
1035 (cxx_eval_outermost_constant_expr): Make sure a CONSTRUCTOR has the
1036 right type. Don't wrap a CONSTRUCTOR if one was passed in.
1037 * tree.c (build_aggr_init_expr): Check for void.
1039 PR c++/60503 - wrong lambda attribute syntax.
1040 * parser.c (cp_parser_lambda_declarator_opt): Fix attribute
1043 2018-11-02 Nathan Sidwell <nathan@acm.org>
1045 * decl.c (duplicate_decls): Refactor checks.
1047 2018-11-01 Marek Polacek <polacek@redhat.com>
1049 Implement P0846R0, ADL and function templates.
1050 * decl.c (grokfndecl): Allow FUNCTION_DECL in assert.
1051 * lex.c (unqualified_fn_lookup_error): Handle TEMPLATE_ID_EXPR.
1052 * parser.c (cp_parser_postfix_expression): Do ADL for a template-name.
1053 (cp_parser_template_id): Give errors if parsing the template argument
1054 list didn't go well. Allow FUNCTION_DECL in assert.
1055 (cp_parser_template_name): Consider a name to refer to a template if
1056 it is an unqualified-id followed by a <. Don't return the identifier
1057 if the decl is a function and dependent.
1058 * pt.c (tsubst_copy) <case OVERLOAD>: Remove assert.
1060 2018-11-01 Nathan Sidwell <nathan@acm.org>
1062 * cp-tree.h (struct lang_function): Delete x_local_names field.
1063 (struct lang_decl_base): Rename u2sel to spare.
1064 (struct lang_decl_min): Remove lang_decl_u2 union. Keep access
1066 (LANG_DECL_U2_CHECK): Delete.
1067 (DECL_DISCRIMINATOR_P): Require function scope.
1068 (DECL_DISCRIMINATOR): Adjust.
1069 (DECL_DISCRIMINATOR_SET_P): Delete.
1070 (DECL_CAPTURED_VARIABLE, DECL_ACCESS, THUnK_VIRTUAL_OFFSET): Adjust.
1071 (local_classes): Don't declare.
1072 (determine_local_discriminator): Declare.
1073 * decl.c (push_local_name): Delete.
1074 (local_entities, determina_local_discrminator): New.
1075 (duplicate_decls): Copy DECL_ACCESS. Fix formatting.
1076 (cp_finish_decl): Use determine_local_discriminator.
1077 (save_function_data): Drop x_local_names.
1078 (finish_function): Drop local_names.
1079 * decl2.c (finish_anon_union): Use determine_local_disciminator.
1080 * mangle.c (write_unnamed_type_name): Use
1081 discriminator_for_local_entity.
1082 (local_class_index): Delete.
1083 (discriminator_for_local_entity): Reimplement.
1084 (write_local_name): Adjust discriminator code.
1085 * name-lookup.c (do_pushtag): Call determine_local_discrimiator.
1086 * semantics.c (finish_omp_threadprivate): Drop DECL_DISCRIMINATOR
1088 * class.c (local_classes): Delete.
1089 (init_class_processing): Don't init it.
1091 2018-11-01 Martin Liska <mliska@suse.cz>
1092 Jason Merrill <jason@redhat.com>
1097 * cp-tree.h (DECL_FNAME_P): New macro.
1098 * decl.c (cp_make_fname_decl): Set DECL_DECLARED_CONSTEXPR_P,
1099 DECL_VALUE_EXPR, DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
1101 * lambda.c (is_capture_proxy): Use DECL_FNAME_P.
1102 * pt.c (tsubst_expr): Handle DECL_PRETTY_FUNCTION_P.
1104 2018-10-31 Nathan Sidwell <nathan@acm.org>
1106 * cp-tree.h (OVL_DEDUP_P): New.
1107 * name-lookup.c (name_lookup::add_overload): Check OVL_DEDUP_P.
1108 (get_class_binding_direct): Likwise.
1109 * tree.c (ovl_make): Propagate OVL_DEDUP_P.
1110 (ovl_copy): Copy it.
1111 (ovl_insert): Do not keep using-decls ordered.
1112 (lookup_maybe_add): Adjust comment.
1114 2018-10-30 Marek Polacek <polacek@redhat.com>
1116 Implement P0892R2, explicit(bool).
1117 * call.c (add_template_candidate_real): Return if the declaration is
1118 explicit and we're only looking for non-converting constructor.
1119 * cp-tree.h (lang_decl_fn): Add has_dependent_explicit_spec_p bit.
1120 (DECL_HAS_DEPENDENT_EXPLICIT_SPEC_P): New macro.
1121 (cp_decl_specifier_seq): Add explicit_specifier field.
1122 (build_explicit_specifier, store_explicit_specifier): Declare.
1123 * decl.c (grokdeclarator): Call store_explicit_specifier.
1124 (build_explicit_specifier): New function.
1125 * parser.c (cp_parser_function_specifier_opt) <case RID_EXPLICIT>:
1126 Parse C++20 explicit(bool).
1127 * pt.c (store_explicit_specifier, lookup_explicit_specifier): New.
1128 (tsubst_function_decl): Handle explicit(dependent-expr).
1130 2018-10-30 Paolo Carlini <paolo.carlini@oracle.com>
1132 * decl.c (grokdeclarator): Use declarator->id_loc in diagnostic
1133 about flexible array members.
1135 2018-10-29 David Malcolm <dmalcolm@redhat.com>
1137 * cp-name-hint.h: New file.
1138 * cp-tree.h (expr_to_string): New decl.
1139 (suggest_alternatives_for): Move to cp-name-hint.h, changing
1140 return type from bool to name_hint.
1141 (suggest_alternative_in_explicit_scope): Likewise.
1142 * error.c: Define INCLUDE_UNIQUE_PTR. Include "cp-name-hint.h".
1143 (expr_to_string): Make non-static.
1144 (qualified_name_lookup_error): For the non-"::" case, take
1145 responsibity for issuing any suggestion from
1146 suggest_alternative_in_explicit_scope, as it changes from
1147 returning a bool to returning a name_hint. Replace fallback call
1148 to suggest_alternatives_for to a call to
1149 suggest_alternatives_in_other_namespaces, capturing the fact that
1150 we don't have enough location information to issue a fix-it hint
1151 for this case. Update the error to support emitting a fix-it hint
1152 where appropriate. For the "::" case, take responsibility for
1153 issuing any suggestion from suggest_alternatives_for, supporting
1154 emitting a fix-it hint.
1155 * lex.c: Define INCLUDE_UNIQUE_PTR. Include "gcc-rich-location.h"
1156 and "cp-name-hint.h".
1157 (unqualified_name_lookup_error): Take responsibility for issuing
1158 any suggestion from suggest_alternatives_for, supporting emitting
1160 * name-lookup.c (class namespace_limit_reached): New subclass of
1161 deferred_diagnostic.
1162 (class show_candidate_location): Likewise.
1163 (class suggest_alternatives): Likewise.
1164 (class namespace_hints): New class.
1165 (suggest_alternatives_for): Convert return type from bool to
1166 name_hint, replacing all direct diagnostic emission by setting
1167 suggestions on the return value, or creating deferred diagnostics.
1168 Specifically, split out initial traversal of namespaces into
1169 namespace_hints' ctor, and maybe_decorate_with_limit, and move the
1170 rest of the implementation to
1171 namespace_hints::convert_candidates_to_name_hint and
1172 suggest_alternatives_for_1.
1173 (namespace_hints::namespace_hints): New ctor, adapted from
1174 suggest_alternatives_for's initial namespace traversal, storing
1175 location and name, and converting locals "candidates", "limited"
1176 and "limit" into members.
1177 (namespace_hints::convert_candidates_to_name_hint): New member
1179 (namespace_hints::maybe_decorate_with_limit): New member function.
1180 (suggest_alternatives_for_1): New function, based on second half
1181 of old implementation of suggest_alternatives_for, converting from
1182 immediate emission of suggestions to using name_hint.
1183 (suggest_alternatives_in_other_namespaces): New function.
1184 (maybe_suggest_missing_std_header): Convert from immediate
1185 emission of suggestions to using name_hint, moving emission
1186 implementation to...
1187 (class missing_std_header): New subclass of deferred_diagnostic.
1188 (maybe_suggest_missing_header): Convert return type from bool to
1190 (suggest_alternative_in_explicit_scope): Convert from immediate
1191 emission of suggestions to using name_hint.
1192 * parser.c: Replace include of "c-family/name-hint.h" with
1194 (cp_parser_diagnose_invalid_type_name): Update
1195 "is there a suggestion" logic for change to
1196 name_hint::operator bool. Take responsibility for emitting
1197 fix-it hints from suggest_alternative_in_explicit_scope.
1198 (cp_parser_namespace_name): Take responsibility for emitting
1199 fix-it hints from suggest_alternative_in_explicit_scope. Don't
1200 emit the "expected namespace-name" error if we've already emitted
1201 an "is not a namespace-name" error.
1203 2018-10-29 David Malcolm <dmalcolm@redhat.com>
1206 * call.c (build_over_call): Eliminate the "arglocs" array, and the
1207 call to maybe_constant_value when building "fargs".
1209 2018-10-29 Paolo Carlini <paolo.carlini@oracle.com>
1211 * decl.c (create_array_type_for_decl): Add location_t parameter
1213 (grokdeclarator): Adjust call.
1215 2018-10-29 Marek Polacek <polacek@redhat.com>
1217 PR c++/87594 - constexpr rejects-valid with range-based for.
1218 * constexpr.c (potential_constant_expression_1): If the condition
1219 can't be evaluated, return true.
1221 2018-10-29 Joseph Myers <joseph@codesourcery.com>
1222 Julian Brown <julian@codesourcery.com>
1225 * semantics.c (handle_omp_array_sections_1): Allow array
1226 sections with "this" pointer for OpenACC.
1228 2018-10-25 Jason Merrill <jason@redhat.com>
1230 * parser.c (cp_parser_sizeof_operand): Remove redundant use of
1233 2018-10-24 Jakub Jelinek <jakub@redhat.com>
1236 * parser.c (cp_parser_std_attribute): Canonicalize attr_ns, and when
1237 :: is not present and attr_ns non-NULL, canonicalize also attr_id.
1238 (cp_parser_attribute_spec): Fix comment typo.
1240 2018-10-24 Martin Sebor <msebor@redhat.com>
1243 * call.c (maybe_warn_class_memaccess): Tighten up.
1245 2018-10-17 David Malcolm <dmalcolm@redhat.com>
1247 * Make-lang.in (selftest-c++): New.
1248 (CPP_SELFTEST_FLAGS, CPP_SELFTEST_DEPS, s-selftest-c++)
1249 (selftest-c++-gdb, selftest-c++-valgrind): Move here from
1252 2018-10-17 Paolo Carlini <paolo.carlini@oracle.com>
1255 * tree.c (build_cplus_new): Avoid duplicate diagnostic about
1256 incomplete type, early return error_mark_node if the second
1257 argument is error_mark_node.
1259 2018-10-12 Nathan Sidwell <nathan@acm.org>
1261 * parser.h (struct cp_parser): Drop implicit_extern_c.
1262 * parser.c (cp_debug_parser): Drop implicit_extern_c.
1263 (cp_parser_new): Likewise.
1264 (cp_parser_translation_unit): Handle implicit extern c here. Call
1265 cp_parser_toplevel_declaration.
1266 (cp_parser_toplevel_declaration): New, broken out of ...
1267 (cp_parser_declaration_seq_opt): ... here. Call it. Drop
1268 implicit extern C handling.
1270 2018-10-11 Will Wray <wjwray@gmail.com>
1273 * cxx-pretty-print.c (pp_cxx_enumeration_constant): New function.
1274 (cxx_pretty_printer::constant): Use it.
1276 2018-10-11 David Malcolm <dmalcolm@redhat.com>
1279 * call.c (enforce_access): Move diagnostics to...
1280 (complain_about_access): ...this new function.
1281 * cp-tree.h (class access_failure_info): Rename split out field
1282 "m_field_decl" into "m_decl" and "m_diag_decl".
1283 (access_failure_info::record_access_failure): Add tree param.
1284 (access_failure_info::was_inaccessible_p): New accessor.
1285 (access_failure_info::get_decl): New accessor.
1286 (access_failure_info::get_diag_decl): New accessor.
1287 (access_failure_info::get_any_accessor): New member function.
1288 (access_failure_info::add_fixit_hint): New static member function.
1289 (complain_about_access): New decl.
1290 * typeck.c (access_failure_info::record_access_failure): Update
1291 for change to fields.
1292 (access_failure_info::maybe_suggest_accessor): Split out into...
1293 (access_failure_info::get_any_accessor): ...this new function...
1294 (access_failure_info::add_fixit_hint): ...and this new function.
1295 (finish_class_member_access_expr): Split out "has no member named"
1296 error-handling into...
1297 (complain_about_unrecognized_member): ...this new function, and
1298 check that the guessed name is accessible along the access path.
1299 Only provide a spell-correction fix-it hint if it is; otherwise,
1300 attempt to issue an accessor fix-it hint.
1302 2018-10-11 Nathan Sidwell <nathan@acm.org>
1304 * parser.c (cp_parser_translation_unit): Return void. Don't fail
1305 at first extra }, simplify logic.
1306 (c_parse_file): Call finish_translation_unit here.
1308 2018-10-11 Jakub Jelinek <jakub@redhat.com>
1311 * typeck.c (maybe_warn_about_returning_address_of_local): If
1312 whats_returned is a structured binding identifier and the structured
1313 binding is a reference, recurse on its initializer.
1316 * rtti.c (get_tinfo_decl_dynamic): Use unlowered_expr_type instead
1319 2018-10-10 Marek Polacek <polacek@redhat.com>
1321 PR c++/87567 - constexpr rejects call to non-constexpr function.
1322 * constexpr.c (potential_constant_expression_1) <case FOR_STMT>: Return
1323 true if the condition is always false.
1324 <case WHILE_STMT>: Likewise.
1326 2018-10-09 Paolo Carlini <paolo.carlini@oracle.com>
1329 * pt.c (convert_template_argument): Immediately return error_mark_node
1330 if the second argument is erroneous.
1331 * parser.c (cp_parser_type_id): Add location_t * parameter.
1332 (cp_parser_type_id_1): Likewise.
1333 (cp_parser_alias_declaration): Adjust cp_parser_type_id call,
1334 obtain the location of the type and save it.
1335 (cp_parser_template_type_arg): Adjust.
1336 (cp_parser_trailing_type_id): Likewise.
1337 * decl.c (grokdeclarator): Improve error message for 'auto' in
1340 2018-10-08 Paolo Carlini <paolo.carlini@oracle.com>
1343 * pt.c (do_decl_instantiation): Per 12.6.8/5, a concept cannot be
1344 explicitly instantiated.
1346 2018-10-05 David Malcolm <dmalcolm@redhat.com>
1349 * call.c (build_over_call): Build a vec of locations of the
1350 arguments before the call to maybe_constant_value, and pass to
1351 check_function_arguments.
1352 * cp-lang.c (LANG_HOOKS_GET_SUBSTRING_LOCATION): Define as
1353 c_get_substring_location.
1354 * parser.c (cp_parser_string_literal): Capture string
1355 concatenation locations.
1357 2018-10-04 Nathan Sidwell <nathan@acm.org>
1359 * lang-specs.h: Use string contatenation, not line splicing.
1361 2018-10-03 Jason Merrill <jason@redhat.com>
1363 Implement P0840, language support for empty objects.
1364 * tree.c (handle_no_unique_addr_attribute): New.
1365 (cxx_attribute_table): Add [[no_unique_address]].
1366 * class.c (field_poverlapping_p): New.
1367 (layout_class_type): Check it. Adjust DECL_SIZE of potentially
1369 (layout_empty_base_or_field): Rename from layout_empty_base, handle
1371 (build_base_field, record_subobject_offsets): Adjust.
1373 2018-10-03 Martin Liska <mliska@suse.cz>
1375 PR gcov-profile/86109
1376 * parser.c (cp_parser_lambda_declarator_opt):
1377 Set DECL_LAMBDA_FUNCTION for lambdas.
1379 2018-10-02 Richard Biener <rguenther@suse.de>
1381 * name-lookup.c (check_local_shadow): Do not test DECL_FROM_INLINE.
1383 2018-09-28 Eric Botcazou <ebotcazou@adacore.com>
1384 Pierre-Marie de Rodat <derodat@adacore.com>
1386 * method.c (use_thunk): Adjust call to cgraph_node::create_thunk.
1388 2018-09-28 Richard Biener <rguenther@suse.de>
1390 * error.c (cp_print_error_function): Simplify by eliding
1391 the BLOCK_ABSTRACT_ORIGIN chasing.
1393 2018-09-27 Paolo Carlini <paolo.carlini@oracle.com>
1396 * semantics.c (finish_unary_op_expr): Check return value of
1397 build_x_unary_op for error_mark_node.
1399 2018-09-25 Jakub Jelinek <jakub@redhat.com>
1402 * constexpr.c (cxx_eval_constant_expression) <case OBJ_TYPE_REF>: Only
1403 look through COMPONENT_REFs with DECL_FIELD_IS_BASE FIELD_DECLs.
1405 2018-09-25 Martin Liska <mliska@suse.cz>
1407 * name-lookup.c (namespace_scope_ht_size): Remove
1409 * parser.c (cp_lexer_next_token_is_not_keyword): Likewise.
1411 2018-09-24 Paolo Carlini <paolo.carlini@oracle.com>
1414 * method.c (lazily_declare_fn): During error-recovery add_method
1417 2018-09-21 Marek Polacek <polacek@redhat.com>
1419 PR c++/87372 - __func__ constexpr evaluation.
1420 * constexpr.c (maybe_constant_init_1): Pass false for strict down to
1421 cxx_eval_outermost_constant_expr.
1423 2018-09-20 Marek Polacek <polacek@redhat.com>
1425 PR c++/87109 - wrong ctor with maybe-rvalue semantics.
1426 * call.c (build_user_type_conversion_1): Refine the maybe-rvalue
1427 check to only return if we're converting the return value to a base
1430 2018-09-20 Allan Sandfeld Jensen <allan.jensen@qt.io>
1432 * g++spec.c (lang_specific_driver): Handle -r like -nostdlib.
1434 2018-09-20 Jason Merrill <jason@redhat.com>
1436 PR c++/87075 - ICE with constexpr array initialization.
1437 * constexpr.c (cxx_eval_vec_init_1): Handle trivial initialization.
1439 2018-09-19 Marek Polacek <polacek@redhat.com>
1441 Add -Wclass-conversion.
1442 * decl.c (grok_op_properties): Change a warning from -Wconversion to
1443 -Wclass-conversion. Make it print the types.
1445 2018-09-19 Paolo Carlini <paolo.carlini@oracle.com>
1448 * parser.c (cp_parser_initializer_list): Assign error_mark_node
1449 to the index upon error.
1451 2018-09-19 Marek Polacek <polacek@redhat.com>
1453 PR c++/87357 - missing -Wconversion warning
1454 * decl.c (grok_op_properties): Remove diagnostic parts mentioning
1455 a conversion to a reference to void. Use
1456 same_type_ignoring_top_level_qualifiers_p rather than comparing types
1459 2018-09-18 Marek Polacek <polacek@redhat.com>
1461 P1064R0 - Allowing Virtual Function Calls in Constant Expressions
1462 * call.c (build_over_call): No longer check if we're outside a template
1464 * class.c (build_vtbl_initializer): Build vtable's constructor with
1466 * constexpr.c (cxx_eval_constant_expression): Don't ignore _vptr's
1467 initializer. Handle OBJ_TYPE_REF.
1468 (potential_constant_expression_1): Handle OBJ_TYPE_REF.
1469 * decl.c (maybe_commonize_var): Bail out for any DECL_ARTIFICIAL.
1470 (initialize_artificial_var): Mark the variable as constexpr.
1471 (grokdeclarator): Change error to pedwarn. Only warn when
1472 pedantic and not C++2a.
1474 2018-09-18 Paolo Carlini <paolo.carlini@oracle.com>
1477 * cp-tree.h (NON_ERROR): New.
1478 * pt.c (auto_hash::hash): Use it.
1479 (do_auto_deduction): Likewise.
1481 2018-09-18 Nathan Sidwell <nathan@acm.org>
1484 * name-lookup.c (check_local_shadow): Ignore auto types.
1486 2018-09-17 David Malcolm <dmalcolm@redhat.com>
1488 * error.c (range_label_for_type_mismatch::get_text): Update for
1491 2018-09-13 Bernd Edlinger <bernd.edlinger@hotmail.de>
1493 * typeck2.c (digest_init_r): Fix overlength strings.
1495 2018-09-13 Ville Voutilainen <ville.voutilainen@gmail.com>
1498 * method.c (constructible_expr): We're in an unevaluated context
1499 in all cases, not just for class targets.
1501 2018-09-12 David Malcolm <dmalcolm@redhat.com>
1504 * call.c (struct conversion_info): Add "loc" field.
1505 (arg_conversion_rejection): Add "loc" param, using it to
1506 initialize the new field.
1507 (bad_arg_conversion_rejection): Likewise.
1508 (explicit_conversion_rejection): Initialize the new field to
1510 (template_conversion_rejection): Likewise.
1511 (add_function_candidate): Pass on the argument location to the new
1512 param of arg_conversion_rejection.
1513 (add_conv_candidate): Likewise.
1514 (build_builtin_candidate): Likewise.
1515 (build_user_type_conversion_1): Likewise.
1516 (single_z_candidate): New function.
1517 (maybe_get_bad_conversion_for_unmatched_call): New function.
1518 (complain_about_bad_argument): New function, based on part of
1519 convert_for_assignment.
1520 (build_new_method_call_1): Split out handling of the "no viable
1521 candidates" case into...
1522 (complain_about_no_candidates_for_method_call): ...this new
1523 function, and use the new functions above to special-case the
1524 handling of a single non-viable candidate due to a bad argument.
1525 * cp-tree.h (complain_about_bad_argument): New decl.
1526 * typeck.c (convert_for_assignment): Split out one error-handling
1527 case into complain_about_bad_argument.
1529 2018-09-09 Cesar Philippidis <cesar@codesourcery.com>
1530 Julian Brown <julian@codesourcery.com>
1533 * semantics.c (finish_omp_clauses): Treat C++ references the same in
1536 2018-08-28 Martin Liska <mliska@suse.cz>
1538 * constexpr.c (cxx_eval_call_expression): Add quotes
1539 to -fconstexpr-depth=.
1541 2018-09-10 Marek Polacek <polacek@redhat.com>
1543 * class.c (build_vtbl_ref): Remove.
1544 (build_vtbl_ref_1): Rename to build_vtbl_ref.
1545 (build_vfn_ref): Call build_vtbl_ref instead of build_vtbl_ref_1.
1547 2018-09-08 Marek Polacek <polacek@redhat.com>
1549 PR c++/87150 - wrong ctor with maybe-rvalue semantics.
1550 * call.c (struct conversion): Update commentary.
1551 (standard_conversion): Set rvaluedness_matches_p if LOOKUP_PREFER_RVALUE
1554 2018-09-08 Jason Merrill <jason@redhat.com>
1556 PR c++/86678 - constexpr function with non-constant after return.
1557 * constexpr.c (potential_constant_expression_1): Add jump_target.
1558 (breaks): Check for BREAK_STMT.
1559 (continues): Check for CONTINUE_STMT.
1561 2018-09-08 Marek Polacek <polacek@redhat.com>
1563 * cxx-pretty-print.c (cxx_pretty_printer::statement) <case
1564 RANGE_FOR_SMT>: Handle RANGE_FOR_INIT_STMT.
1566 2018-09-07 Marek Polacek <polacek@redhat.com>
1568 PR c++/87152 - range-based for loops with initializer broken in templates.
1569 * constexpr.c (potential_constant_expression_1) <case RANGE_FOR_STMT>:
1570 Recur into RANGE_FOR_INIT_STMT.
1571 * cp-tree.def: Add RANGE_FOR_INIT_STMT to RANGE_FOR_STMT.
1572 * cp-tree.h (RANGE_FOR_INIT_STMT): Define.
1573 * dump.c (cp_dump_tree) <case RANGE_FOR_STMT>: Also dump
1574 RANGE_FOR_INIT_STMT.
1575 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Recur into
1576 RANGE_FOR_INIT_STMT.
1577 * semantics.c (begin_range_for_stmt): Adjust call to build_stmt.
1578 Do put the init statement in RANGE_FOR_INIT_STMT.
1579 (finish_range_for_decl): Pop it for templates.
1581 2018-09-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
1583 * decl.c (check_initializer): Call cp_complete_array_type.
1585 2018-09-05 Marek Polacek <polacek@redhat.com>
1587 PR c++/87109, wrong overload with ref-qualifiers.
1588 * call.c (build_user_type_conversion_1): Use NULL instead of 0. Bail
1589 out if performing the maybe-rvalue overload resolution and a conversion
1590 function is getting called.
1592 PR c++/86982, -Wreturn-local-addr and std::move and std::forward.
1593 * typeck.c (maybe_warn_about_returning_address_of_local): Handle calls
1594 to std::move or std::forward.
1595 (is_std_forward_p): New function.
1597 2018-09-05 Pádraig Brady <p@draigbrady.com>
1600 * lambda.c (prune_lambda_captures): Protect against const_vars.get
1603 2018-09-04 Marek Polacek <polacek@redhat.com>
1605 * cp-tree.h (treat_lvalue_as_rvalue_p): Declare.
1606 * except.c (build_throw): Use it. Use CP_TYPE_VOLATILE_P.
1607 * typeck.c (treat_lvalue_as_rvalue_p): No longer static. Add PARM_OK
1609 (maybe_warn_pessimizing_move): Adjust treat_lvalue_as_rvalue_p call.
1610 (check_return_expr): Likewise.
1612 2018-09-03 Paolo Carlini <paolo.carlini@oracle.com>
1615 * constraint.cc (finish_shorthand_constraint): Early return if the
1616 constraint is erroneous.
1618 2018-09-02 Bernd Edlinger <bernd.edlinger@hotmail.de>
1620 * decl.c (eval_check_narrowing): Remove.
1621 (check_initializer): Move call to braced_list_to_string from here ...
1622 * typeck2.c (store_init_value): ... to here.
1623 (digest_init_r): Remove handing of signed/unsigned char strings.
1625 2018-08-31 Nathan Sidwell <nathan@acm.org>
1629 * name-lookup.c (name_lookup::search_namespace): Don't look at
1630 inlines when searching for NULL names.
1632 * decl.c (decls_match): Remove SYSTEM_IMPLICIT_EXTERN_C matching
1633 of return types and parms.
1634 * parser.c (cp_parser_parameter_declaration_clause): Likewise,
1635 '()' always means '(void)'.
1637 2018-08-29 Jakub Jelinek <jakub@redhat.com>
1640 * decl.c (begin_destructor_body): If current_class_type has
1641 virtual bases and the primary base is nearly empty virtual base,
1642 voidify clearing of vptr and make it conditional on in-charge
1645 2018-08-29 Paolo Carlini <paolo.carlini@oracle.com>
1648 * parser.c (cp_parser_introduction_list): If cp_parser_identifier
1649 returns error_mark_node early exit the loop.
1650 (cp_parser_template_introduction): Improve error-recovery, remove
1651 error call about empty introduction-list.
1653 2018-08-29 David Malcolm <dmalcolm@redhat.com>
1656 * call.c (print_conversion_rejection): Add "fn" param and use it
1657 for "no known conversion" messages to underline the pertinent
1659 (print_z_candidate): Supply "fn" to the new param above.
1661 2018-08-29 Jakub Jelinek <jakub@redhat.com>
1664 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: If
1665 processing_template_decl and decl is structured binding decl, call
1668 2018-08-28 Paolo Carlini <paolo.carlini@oracle.com>
1671 * decl.c (finish_case_label): If the type is erroneous early
1672 return error_mark_node.
1674 2018-08-27 David Malcolm <dmalcolm@redhat.com>
1677 * parser.c (cp_parser_diagnose_invalid_type_name): Add fix-it
1680 2018-08-27 Jakub Jelinek <jakub@redhat.com>
1683 * cp-tree.h (cxx_readonly_error): Add location_t argument.
1684 * typeck2.c (cxx_readonly_error): Add LOC argument, pass it to
1685 ERROR_FOR_ASSIGNMENT macro and readonly_error. Add LOC argument
1686 to ERROR_FOR_ASSIGNMENT macro, use error_at instead of error and
1687 pass LOC to it. Formatting fixes.
1688 * typeck.c (cp_build_unary_op): Pass location to cxx_readonly_error.
1689 (cp_build_modify_expr): Pass loc to cxx_readonly_error.
1690 * semantics.c (finish_asm_stmt): Pass input_location to
1693 2018-08-27 David Malcolm <dmalcolm@redhat.com>
1696 * decl.c (grokdeclarator): Update for conversion of show_caret_p
1698 * error.c (cp_printer): Likewise.
1699 * name-lookup.c (maybe_suggest_missing_std_header): Update call to
1700 maybe_add_include_fixit to suggest overriding the location, as it
1702 * parser.c (cp_parser_string_literal): Update for conversion of
1703 show_caret_p to a tri-state.
1704 (cp_parser_elaborated_type_specifier): Likewise.
1705 (set_and_check_decl_spec_loc): Likewise.
1706 * pt.c (listify): Update call to maybe_add_include_fixit to not
1707 override the location, as it is for an error.
1708 * rtti.c (typeid_ok_p): Likewise.
1710 2018-08-27 Martin Liska <mliska@suse.cz>
1712 * call.c (build_call_a): Use new function
1713 fndecl_built_in_p and remove check for FUNCTION_DECL if
1715 (build_cxx_call): Likewise.
1716 * constexpr.c (constexpr_fn_retval): Likewise.
1717 (cxx_eval_builtin_function_call): Likewise.
1718 (cxx_eval_call_expression): Likewise.
1719 (potential_constant_expression_1): Likewise.
1720 * cp-gimplify.c (cp_gimplify_expr): Likewise.
1721 (cp_fold): Likewise.
1722 * decl.c (decls_match): Likewise.
1723 (validate_constexpr_redeclaration): Likewise.
1724 (duplicate_decls): Likewise.
1725 (make_rtl_for_nonlocal_decl): Likewise.
1726 * name-lookup.c (consider_binding_level): Likewise.
1727 (cp_emit_debug_info_for_using): Likewise.
1728 * semantics.c (finish_call_expr): Likewise.
1729 * tree.c (builtin_valid_in_constant_expr_p): Likewise.
1731 2018-08-26 Marek Polacek <polacek@redhat.com>
1734 * typeck.c (maybe_warn_pessimizing_move): Do nothing in a template.
1736 PR c++/87029, Implement -Wredundant-move.
1737 * typeck.c (treat_lvalue_as_rvalue_p): New function.
1738 (maybe_warn_pessimizing_move): Call convert_from_reference.
1739 Warn about redundant moves.
1741 2018-08-24 Marek Polacek <polacek@redhat.com>
1745 * decl.c (grokdeclarator): Disallow functions with trailing return
1746 type with decltype(auto) as its type. Also check the function if
1747 it's inner declarator doesn't exist
1749 2018-08-21 Marek Polacek <polacek@redhat.com>
1752 * parser.c (cp_parser_lambda_introducer): Give error if a non-local
1753 lambda has a capture-default.
1755 2018-08-21 Paolo Carlini <paolo.carlini@oracle.com>
1757 * decl.c (check_static_variable_definition): Change to return void.
1759 2018-08-21 Marek Polacek <polacek@redhat.com>
1761 PR c++/86981, Implement -Wpessimizing-move.
1762 * typeck.c (decl_in_std_namespace_p): New.
1763 (is_std_move_p): New.
1764 (maybe_warn_pessimizing_move): New.
1765 (can_do_nrvo_p): New, factored out of ...
1766 (check_return_expr): ... here. Warn about potentially harmful
1767 std::move in a return statement.
1770 * call.c (standard_conversion): Set check_narrowing.
1771 * typeck2.c (check_narrowing): Use CP_INTEGRAL_TYPE_P rather
1772 than comparing with INTEGER_TYPE.
1774 * cp-tree.h: Fix typo.
1776 2018-08-20 David Malcolm <dmalcolm@redhat.com>
1779 * call.c (build_user_type_conversion_1): Add auto_diagnostic_group
1781 (print_error_for_call_failure): Likewise.
1782 (build_op_call_1): Likewise.
1783 (build_conditional_expr_1): Likewise.
1784 (build_new_op_1): Likewise.
1785 (build_op_delete_call): Likewise.
1786 (convert_like_real): Likewise.
1787 (build_over_call): Likewise.
1788 (build_new_method_call_1): Likewise.
1790 * class.c (check_tag): Likewise.
1791 (finish_struct_anon_r): Likewise.
1792 (one_inherited_ctor): Likewise.
1793 (finalize_literal_type_property): Likewise.
1794 (explain_non_literal_class): Likewise.
1795 (find_flexarrays): Likewise.
1796 (resolve_address_of_overloaded_function): Likewise.
1797 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
1798 (is_valid_constexpr_fn): Likewise.
1799 (cx_check_missing_mem_inits): Likewise.
1800 * cp-gimplify.c (cp_genericize_r): Likewise.
1801 * cvt.c (maybe_warn_nodiscard): Likewise.
1802 * decl.c (warn_extern_redeclared_static): Likewise.
1803 (check_redeclaration_exception_specification): Likewise.
1804 (check_no_redeclaration_friend_default_args): Likewise.
1805 (duplicate_decls): Likewise.
1806 (redeclaration_error_message): Likewise.
1807 (warn_misplaced_attr_for_class_type): Likewise.
1808 * decl2.c (finish_static_data_member_decl): Likewise.
1809 (no_linkage_error): Likewise.
1810 (cp_warn_deprecated_use): Likewise.
1811 * error.c (qualified_name_lookup_error): Likewise.
1812 * friend.c (make_friend_class): Likewise.
1813 (do_friend): Likewise.
1814 * init.c (perform_member_init): Likewise.
1815 (build_new_1): Likewise.
1816 (build_vec_delete_1): Likewise.
1817 (build_delete): Likewise.
1818 * lex.c (unqualified_name_lookup_error): Likewise.
1819 * name-lookup.c (check_extern_c_conflict): Likewise.
1820 (inform_shadowed): New function.
1821 (check_local_shadow): Add auto_diagnostic_group instances,
1822 replacing goto "inform_shadowed" label with call to subroutine.
1823 (set_local_extern_decl_linkage): Add auto_diagnostic_group
1825 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
1826 (cp_parser_namespace_name): Likewise.
1827 * pt.c (check_specialization_namespace): Likewise.
1828 (check_template_variable): Likewise.
1829 (warn_spec_missing_attributes): Likewise.
1830 (check_explicit_specialization): Likewise.
1831 (process_partial_specialization): Likewise.
1832 (lookup_template_class_1): Likewise.
1833 (finish_template_variable): Likewise.
1834 (do_auto_deduction): Likewise.
1835 * search.c (check_final_overrider): Likewise.
1836 (look_for_overrides_r): Likewise.
1837 * tree.c (maybe_warn_parm_abi): Likewise.
1838 * typeck.c (cxx_sizeof_expr): Likewise.
1839 (cp_build_function_call_vec): Likewise.
1840 (cp_build_binary_op): Likewise.
1841 (convert_for_assignment): Likewise.
1842 (maybe_warn_about_returning_address_of_local): Likewise.
1843 * typeck2.c (abstract_virtuals_error_sfinae): Likewise.
1844 (check_narrowing): Likewise.
1846 2018-08-17 David Malcolm <dmalcolm@redhat.com>
1848 * typeck.c (string_conv_p): Extract location from EXP and use it
1849 in preference to input_location when issuing warnings.
1851 2018-08-15 David Malcolm <dmalcolm@redhat.com>
1853 * call.c: Include "gcc-rich-location.h".
1854 (convert_like_real): Add range label for "invalid conversion"
1856 (perform_implicit_conversion_flags): Add type label to the
1857 "could not convert" error.
1858 * error.c: Include "gcc-rich-location.h".
1859 (range_label_for_type_mismatch::get_text): New function.
1860 * typeck.c (convert_for_assignment): Add type label to
1861 the "cannot convert" error if a location is available.
1863 2018-08-15 Paolo Carlini <paolo.carlini@oracle.com>
1865 * decl.c (check_previous_goto_1): When decl_jump_unsafe returns 2
1866 emit an error instead of a permerror.
1868 2018-08-13 Marek Polacek <polacek@redhat.com>
1871 * call.c (struct conversion): Add check_narrowing_const_only.
1872 (build_converted_constant_expr): Set check_narrowing and
1873 check_narrowing_const_only. Give error if expr is error node.
1874 (convert_like_real): Pass it to check_narrowing.
1875 * cp-tree.h (check_narrowing): Add a default parameter.
1876 * decl.c (compute_array_index_type): Use input_location instead of
1878 * pt.c (convert_nontype_argument): Return NULL_TREE if tf_error.
1879 * typeck2.c (check_narrowing): Don't warn for instantiation-dependent
1880 expressions. Call maybe_constant_value instead of
1881 fold_non_dependent_expr. Don't mention { } in diagnostic. Only check
1882 narrowing for constants if CONST_ONLY.
1884 2018-08-13 Martin Sebor <msebor@redhat.com>
1886 PR tree-optimization/71625
1887 * decl.c (check_initializer): Call braced_list_to_string.
1888 (eval_check_narrowing): New function.
1889 * gcc/cp/typeck2.c (digest_init_r): Accept strings literals
1890 as initilizers for all narrow character types.
1892 2018-08-13 Marek Polacek <polacek@redhat.com>
1894 P0806R2 - Deprecate implicit capture of this via [=]
1895 * lambda.c (add_default_capture): Formatting fixes. Warn about
1896 deprecated implicit capture of this via [=].
1899 * decl.c (create_array_type_for_decl): Handle null name.
1901 2018-08-10 Jason Merrill <jason@redhat.com>
1903 PR c++/86728 - C variadic generic lambda.
1904 * parser.c (cp_parser_parameter_declaration): Don't turn 'auto' into
1905 a pack if it's followed by a declarator-id.
1907 2018-08-08 Jakub Jelinek <jakub@redhat.com>
1909 P0595R1 - is_constant_evaluated
1910 * cp-tree.h (enum cp_built_in_function): New.
1911 (maybe_constant_init): Add pretend_const_required argument.
1912 * typeck2.c (store_init_value): Pass true as new argument to
1913 maybe_constant_init.
1914 * constexpr.c (constexpr_fn_retval): Check also DECL_BUILT_IN_CLASS
1915 for BUILT_IN_UNREACHABLE.
1916 (struct constexpr_ctx): Add pretend_const_required field.
1917 (cxx_eval_builtin_function_call): Use DECL_IS_BUILTIN_CONSTANT_P
1918 macro. Handle CP_BUILT_IN_IS_CONSTANT_EVALUATED. Check also
1919 DECL_BUILT_IN_CLASS for BUILT_IN_UNREACHABLE.
1920 (cxx_eval_outermost_constant_expr): Add pretend_const_required
1921 argument, initialize pretend_const_required field in ctx. If the
1922 result is TREE_CONSTANT and non_constant_p, retry with
1923 pretend_const_required false if it was true.
1924 (is_sub_constant_expr): Initialize pretend_const_required_field in
1926 (cxx_constant_value): Pass true as pretend_const_required to
1927 cxx_eval_outermost_constant_expr.
1928 (maybe_constant_value): Pass false as pretend_const_required to
1929 cxx_eval_outermost_constant_expr.
1930 (fold_non_dependent_expr): Likewise.
1931 (maybe_constant_init_1): Add pretend_const_required argument, pass it
1932 down to cxx_eval_outermost_constant_expr. Pass !allow_non_constant
1933 instead of false as strict to cxx_eval_outermost_constant_expr.
1934 (maybe_constant_init): Add pretend_const_required argument, pass it
1935 down to maybe_constant_init_1.
1936 (cxx_constant_init): Pass true as pretend_const_required to
1937 maybe_constant_init_1.
1938 * cp-gimplify.c (cp_gimplify_expr): Handle CALL_EXPRs to
1939 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
1940 (cp_fold): Don't fold CP_BUILT_IN_IS_CONSTANT_EVALUATED calls.
1941 * decl.c: Include langhooks.h.
1942 (cxx_init_decl_processing): Register __builtin_is_constant_evaluated
1944 * tree.c (builtin_valid_in_constant_expr_p): Return true for
1945 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
1946 * pt.c (declare_integer_pack): Initialize DECL_FUNCTION_CODE.
1949 * pt.c (tsubst_expr): For structured bindings, call tsubst_decomp_names
1950 before tsubst_init, not after it.
1953 * constexpr.c (cxx_eval_binary_expression): For arithmetics involving
1954 NULL pointer set *non_constant_p to true.
1955 (cxx_eval_component_reference): For dereferencing of a NULL pointer,
1956 set *non_constant_p to true and return t.
1958 2018-08-07 Paolo Carlini <paolo.carlini@oracle.com>
1960 PR c++/59480, DR 136
1961 * decl.c (check_no_redeclaration_friend_default_args): New.
1962 (duplicate_decls): Use the latter; also check that a friend
1963 declaration specifying default arguments is a definition.
1965 2018-08-07 Ville Voutilainen <ville.voutilainen@gmail.com>
1968 * name-lookup.c (check_local_shadow): Reject captures and parameters
1971 2018-08-06 Marek Polacek <polacek@redhat.com>
1974 * constexpr.c (cxx_eval_statement_list): Handle continue.
1976 2018-08-03 David Malcolm <dmalcolm@redhat.com>
1977 Jonathan Wakely <jwakely@redhat.com>
1979 * decl.c: Include "gcc-rich-location.h".
1980 (add_return_star_this_fixit): New function.
1981 (finish_function): When warning about missing return statements in
1982 functions returning non-void, add a "return *this;" fix-it hint for
1983 assignment operators.
1985 2018-08-03 Jason Merrill <jason@redhat.com>
1988 * class.c (build_base_path): Use currently_open_class.
1990 2018-08-02 David Malcolm <dmalcolm@redhat.com>
1992 * error.c (cxx_print_error_function): Duplicate "file" before
1993 passing it to pp_set_prefix.
1994 (cp_print_error_function): Use pp_take_prefix when saving the
1997 2018-08-02 Richard Biener <rguenther@suse.de>
2000 * class.c (layout_class_type): Copy TYPE_TYPELESS_STORAGE
2001 to the CLASSTYPE_AS_BASE.
2003 2018-08-01 Martin Sebor <msebor@redhat.com>
2005 PR tree-optimization/86650
2006 * error.c (cp_printer): Move usage of EXPR_LOCATION (t) and
2007 TREE_BLOCK (t) from within percent_K_format to this callsite.
2009 2018-08-01 Paolo Carlini <paolo.carlini@oracle.com>
2012 * class.c (note_name_declared_in_class): Use location_of in permerror
2013 instead of DECL_SOURCE_LOCATION (for OVERLOADs).
2015 2018-07-31 Tom de Vries <tdevries@suse.de>
2018 * optimize.c (update_cloned_parm): Copy DECL_BY_REFERENCE.
2020 2018-07-31 Jakub Jelinek <jakub@redhat.com>
2022 P1008R1 - prohibit aggregates with user-declared constructors
2023 * class.c (check_bases_and_members): For C++2a set
2024 CLASSTYPE_NON_AGGREGATE based on TYPE_HAS_USER_CONSTRUCTOR rather than
2025 type_has_user_provided_or_explicit_constructor.
2027 2018-07-31 Martin Liska <mliska@suse.cz>
2030 * parser.c (cp_parser_condition): Initialize non_constant_p
2033 2018-07-28 David Malcolm <dmalcolm@redhat.com>
2035 * error.c (cp_printer): In the leading comment, move "%H" and "%I"
2036 into alphabetical order, and add missing "%G" and "%K". Within
2037 the switch statement, move cases 'G', 'H', 'I' and 'K' so that the
2038 cases are in alphabetical order.
2040 2018-07-25 Jakub Jelinek <jakub@redhat.com>
2042 * cp-tree.h (enum cp_tree_index): Add
2043 CPTI_{ABI_TAG,ALIGNED,BEGIN,END,GET,TUPLE_{ELEMENT,SIZE}}_IDENTIFIER
2044 and CPTI_{GNU,TYPE,VALUE,FUN,CLOSURE}_IDENTIFIER.
2045 (abi_tag_identifier, aligned_identifier, begin_identifier,
2046 end_identifier, get__identifier, gnu_identifier,
2047 tuple_element_identifier, tuple_size_identifier, type_identifier,
2048 value_identifier, fun_identifier, closure_identifier): Define.
2049 * decl.c (initialize_predefined_identifiers): Initialize the above
2051 (get_tuple_size): Use tuple_size_identifier instead of
2052 get_identifier ("tuple_size") and value_identifier instead of
2053 get_identifier ("value").
2054 (get_tuple_element_type): Use tuple_element_identifier instead of
2055 get_identifier ("tuple_element") and type_identifier instead of
2056 get_identifier ("type").
2057 (get_tuple_decomp_init): Use get__identifier instead of
2058 get_identifier ("get").
2059 * lambda.c (maybe_add_lambda_conv_op): Use fun_identifier instead of
2060 get_identifier ("_FUN").
2061 * parser.c (cp_parser_lambda_declarator_opt): Use closure_identifier
2062 instead of get_identifier ("__closure").
2063 (cp_parser_std_attribute): Use gnu_identifier instead of
2064 get_identifier ("gnu").
2065 (cp_parser_std_attribute_spec): Likewise. Use aligned_identifier
2066 instead of get_identifier ("aligned").
2067 * class.c (check_abi_tags, inherit_targ_abi_tags): Use
2068 abi_tag_identifier instead of get_identifier ("abi_tag").
2071 * cp-tree.h (enum cp_tree_index): Add
2072 CPTI_FOR_{RANGE,BEGIN,END}{,_}_IDENTIFIER.
2073 (for_range__identifier, for_begin__identifier, for_end__identifier,
2074 for_range_identifier, for_begin_identifier, for_end_identifier):
2076 * decl.c (initialize_predefined_identifiers): Initialize
2077 for_{range,begin,end}{,_}_identifier.
2078 * parser.c (build_range_temp): Use for_range__identifier instead of
2079 get_identifier ("__for_range").
2080 (cp_convert_range_for): Use for_begin__identifier and
2081 for_end__identifier instead of get_identifier ("__for_begin") and
2082 get_identifier ("__for_end").
2083 * semantics.c (finish_for_stmt): Rename "__for_{range,begin,end} "
2084 local symbols to "__for_{range,begin,end}".
2086 2018-07-23 Jakub Jelinek <jakub@redhat.com>
2089 * cp-gimplify.c (cp_fold): Don't fold comparisons into other kind
2090 of expressions other than INTEGER_CST regardless of TREE_NO_WARNING
2091 or warn_nonnull_compare.
2093 2018-07-19 Paolo Carlini <paolo.carlini@oracle.com>
2095 Revert fix for c++/59480 (and testsuite followup)
2097 2019-07-18 Paolo Carlini <paolo.carlini@oracle.com>
2099 PR c++/59480, DR 136
2100 * decl.c (check_no_redeclaration_friend_default_args): New.
2101 (duplicate_decls): Use the latter; also check that a friend
2102 declaration specifying default arguments is a definition.
2104 2018-07-18 Jakub Jelinek <jakub@redhat.com>
2107 * parser.c (cp_parser_decl_specifier_seq): Diagnose invalid type
2108 specifier if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR.
2110 2018-07-18 Marek Polacek <polacek@redhat.com>
2112 PR c++/86190 - bogus -Wsign-conversion warning
2113 * typeck.c (cp_build_binary_op): Fix formatting. Add a warning
2116 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
2118 PR c++/59480, DR 136
2119 * decl.c (check_no_redeclaration_friend_default_args): New.
2120 (duplicate_decls): Use the latter; also check that a friend
2121 declaration specifying default arguments is a definition.
2123 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
2125 * class.c (note_name_declared_in_class): Prefer permerror + inform
2126 to a pair of permerrors; use DECL_SOURCE_LOCATION.
2128 2018-07-18 Richard Biener <rguenther@suse.de>
2131 * decl2.c (c_parse_final_cleanups): Call write_out_vars before
2132 start_static_storage_duration_function sets current_function_decl.
2134 2018-07-17 Jason Merrill <jason@redhat.com>
2136 PR c++/86480 - nested variadic lambda and constexpr if.
2137 * pt.c (find_parameter_packs_r) [IF_STMT]: Don't walk into
2139 * tree.c (cp_walk_subtrees) [DECLTYPE_TYPE]: Set
2140 cp_unevaluated_operand.
2141 [ALIGNOF_EXPR] [SIZEOF_EXPR] [NOEXCEPT_EXPR]: Likewise.
2143 2018-07-16 Paolo Carlini <paolo.carlini@oracle.com>
2145 * class.c (resolve_address_of_overloaded_function): Don't emit an
2146 inform if the matching permerror returns false.
2147 * pt.c (check_specialization_namespace): Likewise.
2149 2018-07-16 Jakub Jelinek <jakub@redhat.com>
2153 * cp-gimplify.c (cp_genericize_r): When using extern_decl_map, or
2154 in TREE_USED flag from stmt to h->to.
2156 2018-07-13 Nathan Sidwell <nathan@acm.org>
2159 * pt.c (lookup_template_class_1): Use tsubst_aggr_type for
2160 contexts that are classes.
2161 * parser.c (cp_parser_template_id): Combine entering_scope decl &
2164 2018-07-12 Jakub Jelinek <jakub@redhat.com>
2166 * decl2.c (cplus_decl_attributes): Don't diagnose vars without mappable
2167 type here, instead add "omp declare target implicit" attribute. Add
2168 that attribute instead of "omp declare target" also when
2169 processing_template_decl.
2170 * decl.c (cp_finish_decl): Diagnose vars without mappable type here,
2171 and before calling cp_omp_mappable_type call complete_type.
2173 2018-07-10 Jakub Jelinek <jakub@redhat.com>
2176 * cp-gimplify.c (cp_maybe_instrument_return): Skip trailing
2180 * semantics.c (handle_omp_for_class_iterator): Remove lastp argument,
2181 instead of setting *lastp turn orig_declv elt into a TREE_LIST.
2182 (finish_omp_for): Adjust handle_omp_for_class_iterator caller.
2183 * pt.c (tsubst_omp_for_iterator): Allow OMP_FOR_ORIG_DECLS to contain
2184 TREE_LIST for both the original class iterator and the "last" helper
2187 2018-07-09 Paolo Carlini <paolo.carlini@oracle.com>
2189 * decl.c (grokdeclarator): Use rich_location::add_range in three
2190 more places; include gcc-rich-location.h.
2192 2018-07-07 Aldy Hernandez <aldyh@redhat.com>
2194 * decl.c (build_enumerator): Change overflow type to overflow_type.
2195 * init.c (build_new_1): Same.
2197 2018-07-05 Nathan Sidwell <nathan@acm.org>
2199 * cp/decl.c (decls_match): Check SYSTEM_IMPLICIT_EXTERN_C not
2200 NO_IMPLICIT_EXTERN_C.
2201 * cp/parser.c (cp_parser_parameter_declaration_clause): Likewise.
2203 2018-07-04 Ville Voutilainen <ville.voutilainen@gmail.com>
2206 * method.c (is_trivially_xible): Return false
2207 if is_xible_helper returns a NULL_TREE.
2209 2018-07-03 Paolo Carlini <paolo.carlini@oracle.com>
2211 * decl.c (min_location): New.
2212 (smallest_type_quals_location): Use the latter.
2213 (check_concept_fn): Use DECL_SOURCE_LOCATION.
2214 (grokdeclarator): Use accurate locations in a number of error
2215 messages involving ds_thread, ds_storage_class, ds_virtual,
2216 ds_constexpr, ds_typedef and ds_friend; exploit min_location.
2218 2018-07-03 Marek Polacek <polacek@redhat.com>
2221 * typeck.c (cp_build_binary_op): Check c_inhibit_evaluation_warnings.
2223 2018-07-03 Jason Merrill <jason@redhat.com>
2225 PR c++/86378 - functional cast in noexcept-specifier.
2226 * tree.c (strip_typedefs_expr) [TREE_LIST]: Fix iteration.
2228 2018-07-02 Paolo Carlini <paolo.carlini@oracle.com>
2230 * parser.c (set_and_check_decl_spec_loc): Use rich_location::add_range
2231 in error message about __thread and thread_local at the same time.
2233 2018-06-29 Marek Polacek <polacek@redhat.com>
2236 * tree.c (cp_save_expr): Don't call save_expr for TARGET_EXPRs.
2238 2018-06-28 David Malcolm <dmalcolm@redhat.com>
2240 * parser.c (cp_parser_error_1): After issuing a conflict marker
2241 error, consume tokens until the end of the source line.
2243 2018-06-28 Jason Merrill <jason@redhat.com>
2245 PR c++/86342 - -Wdeprecated-copy and system headers.
2246 * decl2.c (cp_warn_deprecated_use): Don't warn about declarations
2249 2018-06-27 David Malcolm <dmalcolm@redhat.com>
2252 * name-lookup.c (consider_binding_level): Filter out names that
2253 match anon_aggrname_p.
2255 2018-06-27 Jason Merrill <jason@redhat.com>
2257 * name-lookup.c (do_pushtag): If we skip a class level, also skip
2260 2018-06-26 Jason Merrill <jason@redhat.com>
2262 PR c++/86320 - memory-hog with std::array of pair
2263 * typeck2.c (process_init_constructor_array): Only compute a
2264 constant initializer once.
2266 PR c++/80290 - memory-hog with std::pair.
2267 * pt.c (fn_type_unification): Add convs parameter.
2268 (check_non_deducible_conversion): Remember conversion.
2269 (check_non_deducible_conversions): New. Do checks here.
2270 (type_unification_real): Not here. Remove flags parm.
2271 * call.c (add_function_candidate): Make convs a parameter.
2272 Don't recalculate the conversion if it's already set.
2273 (add_template_candidate_real): Allocate convs here.
2274 (good_conversion, conv_flags): New.
2276 2018-06-26 Jakub Jelinek <jakub@redhat.com>
2279 * parser.c (cp_parser_omp_for_loop_init): Change for_block argument
2280 type from vec<tree, va_gc> * to vec<tree, va_gc> *&.
2282 2018-06-23 Paolo Carlini <paolo.carlini@oracle.com>
2284 * decl.c (bad_specifiers): Add const location_t* parameter and
2285 use locations in error messages about 'inline' and 'virtual'.
2286 (mark_inline_variable): Add location_t parameter and use it in
2287 error_at and pedwarn messages.
2288 (grokdeclarator): Use declspecs->locations[ds_constexpr],
2289 declspecs->locations[ds_concept], declspecs->locations[ds_virtual],
2290 declspecs->locations[ds_inline] in many error messages; adjust
2291 bad_specifiers and mark_inline_variable calls.
2292 (grokvardecl): Use declspecs->locations[ds_concept] in error message.
2294 2018-06-22 Jason Merrill <jason@redhat.com>
2296 PR c++/86219 - ICE with erroneous initializer in template.
2297 * constexpr.c (fold_non_dependent_expr): Add complain parm.
2298 * call.c, expr.c, init.c, pt.c, semantics.c, typeck.c, typeck2.c:
2300 * call.c (build_cxx_call): Don't mess with builtins in a template.
2301 * typeck2.c (store_init_value): If fold_non_dependent_expr didn't
2302 produce a constant value, go back to the uninstantiated form.
2304 Avoid taking the address of something just because it's in parens.
2305 * constexpr.c (same_type_ignoring_tlq_and_bounds_p): New.
2306 (cxx_fold_indirect_ref): Use it.
2307 (cxx_eval_constant_expression) [VIEW_CONVERT_EXPR]: Use it.
2308 * cp-tree.h (REF_PARENTHESIZED_P): Allow VIEW_CONVERT_EXPR.
2309 * semantics.c (force_paren_expr): Use VIEW_CONVERT_EXPR instead of
2310 static_cast to reference type.
2311 (maybe_undo_parenthesized_ref): Handle VIEW_CONVERT_EXPR.
2313 2018-06-21 Jason Merrill <jason@redhat.com>
2315 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Use TEMPLATE_PARM_DESCENDANTS.
2317 * name-lookup.c (do_push_to_top_level): Don't allocate
2319 (do_pop_from_top_level): Release current_lang_base.
2321 Let -fmem-report see callers of cxx_make_type.
2322 * lex.c (cxx_make_type): Add MEM_STAT_DECL.
2323 (make_class_type): Likewise.
2324 (cxx_make_type_hook): New.
2325 * cp-objcp-common.h (LANG_HOOKS_MAKE_TYPE): Use cxx_make_type_hook.
2327 2018-06-20 Nathan Sidwell <nathan@acm.org>
2330 * friend.c (add_friend): Keep lookup sets of tempate sets.
2332 2018-06-20 Paolo Carlini <paolo.carlini@oracle.com>
2334 * decl.c (grokfndecl): Add const cp_decl_specifier_seq* parameter;
2335 tidy handling of a null location_t argument; use proper location
2336 information in a few additional error messages.
2337 (grokdeclarator): Update calls.
2339 2018-06-20 Chung-Lin Tang <cltang@codesourcery.com>
2340 Thomas Schwinge <thomas@codesourcery.com>
2341 Cesar Philippidis <cesar@codesourcery.com>
2343 * parser.c (cp_parser_omp_clause_name): Add support for finalize
2344 and if_present. Make present_or_{copy,copyin,copyout,create} aliases
2345 to their non-present_or_* counterparts. Make 'self' an alias to
2346 PRAGMA_OACC_CLAUSE_HOST.
2347 (cp_parser_oacc_data_clause): Update GOMP mappings for
2348 PRAGMA_OACC_CLAUSE_{COPY,COPYIN,COPYOUT,CREATE,DELETE}. Remove
2349 PRAGMA_OACC_CLAUSE_{SELF,PRESENT_OR_*}.
2350 (cp_parser_oacc_all_clauses): Handle finalize and if_present clauses.
2351 Remove support for present_or_* clauses.
2352 (OACC_KERNELS_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
2353 (OACC_PARALLEL_CLAUSE_MASK): Likewise.
2354 (OACC_DECLARE_CLAUSE_MASK): Likewise.
2355 (OACC_DATA_CLAUSE_MASK): Likewise.
2356 (OACC_ENTER_DATA_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
2357 (OACC_EXIT_DATA_CLAUSE_MASK): Add FINALIZE clause.
2358 (OACC_UPDATE_CLAUSE_MASK): Remove SELF, add IF_PRESENT.
2359 (cp_parser_oacc_declare): Remove PRESENT_OR_* clauses.
2360 * pt.c (tsubst_omp_clauses): Handle IF_PRESENT and FINALIZE.
2361 * semantics.c (finish_omp_clauses): Handle IF_PRESENT and FINALIZE.
2363 2018-06-20 Marek Polacek <polacek@redhat.com>
2366 * constexpr.c (cxx_eval_constant_expression): Handle ABSU_EXPR.
2367 (fold_simple_1): Likewise.
2368 * error.c (dump_expr): Likewise.
2370 2018-06-20 Nathan Sidwell <nathan@acm.org>
2373 * cp-tree.h (lookup_keep): Drop KEEP parm.
2374 (lookup_list_keep): Delete.
2375 (maybe_get_fns): Declare.
2376 * parser.c (cp_parser_primary_expression): Call lookup_keep here.
2377 (cp_parser_template_id): Not here ...
2378 * decl.c (cp_finish_decl): ... nor here ...
2379 * init.c (build_raw_new_expr): ... nor here ...
2380 * pt.c (process_template_parm): ... nor here ...
2381 * semantics.c (perform_koenig_lookup): Call lookup_keep.
2382 (finish_call_expr): Not here.
2383 * tree.c (ovl_cache): Delete.
2384 (ovl_make, ovl_copy): No cache.
2385 (lookup_keep): Always keep.
2386 (lookup_list_keep): Delete.
2387 (maybe_get_fns): New, broken out of ...
2388 (get_fns): ... here. Call it.
2389 (built_min_nt_loc, build_min, build_min_non_dep): Drop lookup_keep.
2390 (build_min_nt_call_vec): Likewise.
2392 2018-06-19 Jason Merrill <jason@redhat.com>
2394 * cp-tree.h (CONSTRUCTOR_NO_IMPLICIT_ZERO): Remove.
2395 * constexpr.c: Use CONSTRUCTOR_NO_CLEARING instead.
2397 PR c++/86182 - ICE with anonymous union passed to template.
2398 * pt.c (tsubst_expr) [DECL_EXPR]: Handle an anonymous union type
2399 used to declare a named variable.
2401 2018-06-18 Jason Merrill <jason@redhat.com>
2403 * tree.c (cp_expr_location): New.
2404 * cp-tree.h (cp_expr_loc_or_loc): New.
2405 * call.c, cvt.c, constexpr.c, constraint.cc, cp-gimplify.c, decl.c,
2406 error.c, init.c, lex.c, parser.c, pt.c, semantics.c, typeck.c,
2407 typeck2.c: Use it instead of EXPR_LOC_OR_LOC.
2409 * parser.c (cp_parser_lambda_expression): Use a range for
2410 LAMBDA_EXPR_LOCATION.
2412 PR c++/86200 - ICE with unexpanded pack in lambda parameter.
2413 * pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Also look into the
2416 PR c++/81060 - ICE with unexpanded parameter pack.
2417 * pt.c (check_for_bare_parameter_packs): Add loc parameter.
2418 * decl.c (grokdeclarator): Call it for qualifying_scope.
2420 PR c++/86171 - ICE with recursive alias instantiation.
2421 * pt.c (tsubst_decl): Handle recursive alias instantiation.
2423 2018-06-18 Paolo Carlini <paolo.carlini@oracle.com>
2425 * decl.c (duplicate_decls): Consistently use DECL_SOURCE_LOCATION
2426 in errors about redefined default arguments; tidy.
2428 2018-06-16 Kugan Vivekanandarajah <kuganv@linaro.org>
2430 * constexpr.c (potential_constant_expression_1): Handle ABSU_EXPR.
2431 * cp-gimplify.c (cp_fold): Likewise.
2433 2018-06-15 Jason Merrill <jason@redhat.com>
2435 PR c++/86147 - wrong capture for template argument.
2436 * expr.c (mark_use): Look through NOP_EXPR.
2438 * name-lookup.c (do_pushtag): Don't look through complete types, but
2439 don't add to them either. Get context from current_binding_level.
2440 * pt.c (tsubst_default_argument): Use push_to/pop_from_top_level.
2442 * decl.c (start_enum): Do compare dependent underlying type.
2444 PR c++/82882 - ICE with lambda in template default argument.
2445 * lambda.c (record_null_lambda_scope): New.
2446 * pt.c (tsubst_lambda_expr): Use it.
2447 * name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
2448 function that isn't open.
2450 * tree.c (maybe_warn_parm_abi): Inform the location of the class.
2452 2018-06-14 Marek Polacek <polacek@redhat.com>
2455 * decl2.c (cp_check_const_attributes): Skip trees that are not
2458 2018-06-14 Jakub Jelinek <jakub@redhat.com>
2460 P0624R2 - Default constructible and assignable stateless lambdas
2461 * method.c (synthesized_method_walk): For C++2a don't mark
2462 sfk_constructor or sfk_copy_assignment as deleted if lambda has
2465 2018-06-14 Paolo Carlini <paolo.carlini@oracle.com>
2467 * decl.c (duplicate_decls): Use DECL_SOURCE_LOCATION in
2468 OPT_Wshadow warning_at.
2469 (grokfndecl): Consistently use the location_t argument in
2470 literal operator diagnostic messages.
2471 (grokdeclarator): Use declspecs->locations[ds_storage_class]
2473 * decl2.c (finish_static_data_member_decl): Use DECL_SOURCE_LOCATION
2476 2018-06-13 Jason Merrill <jason@redhat.com>
2478 PR c++/86099 - ICE with trivial copy and non-trivial default ctor.
2479 * constexpr.c (instantiate_cx_fn_r): Don't synthesize trivial
2482 PR c++/86094 - wrong code with defaulted move ctor.
2483 * class.c (classtype_has_non_deleted_move_ctor): New.
2484 * tree.c (maybe_warn_parm_abi, type_has_nontrivial_copy_init):
2485 Handle v12 breakage.
2487 2018-06-12 Jason Merrill <jason@redhat.com>
2489 PR c++/86098 - ICE with template placeholder for TTP.
2490 * typeck.c (structural_comptypes) [TEMPLATE_TYPE_PARM]: Check
2491 CLASS_PLACEHOLDER_TEMPLATE.
2493 2018-06-12 Paolo Carlini <paolo.carlini@oracle.com>
2495 * decl2.c (coerce_new_type, coerce_delete_type): Add location_t
2496 parameter and adjust error_at calls.
2497 * decl.c (grok_op_properties): Adjust calls.
2498 * cp-tree.h (oerce_new_type, coerce_delete_type): Adjust decls.
2500 2018-06-12 Marek Polacek <polacek@redhat.com>
2502 Core issue 1331 - const mismatch with defaulted copy constructor
2503 * class.c (check_bases_and_members): When checking a defaulted
2504 function, mark it as deleted rather than giving an error.
2506 2018-06-11 Jason Merrill <jason@redhat.com>
2508 PR c++/85792 -Wctor-dtor-privacy and inherited constructor.
2509 * class.c (maybe_warn_about_overly_private_class): Handle inherited
2512 PR c++/85963 - -Wunused-but-set with ?: in template.
2513 * pt.c (tsubst_copy_and_build) [COND_EXPR]: Call mark_rvalue_use.
2515 2018-06-11 Paolo Carlini <paolo.carlini@oracle.com>
2517 * decl.c (grok_op_properties): Consistently use the location
2518 of the decl; remove special casing of POSTINCREMENT_EXPR and
2519 POSTDECREMENT_EXPR wrt default arguments.
2521 2018-06-05 Jason Merrill <jason@redhat.com>
2523 * constexpr.c (cxx_eval_binary_expression): Special case comparison
2524 of pointers to members of the same union.
2526 2018-06-11 Jason Merrill <jason@redhat.com>
2528 PR c++/86094 - wrong code with defaulted move ctor.
2529 * tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
2531 2018-06-10 Paolo Carlini <paolo.carlini@oracle.com>
2533 * decl.c (grokfndecl): Use the location_t argument in two more places.
2535 2018-06-06 Marek Polacek <polacek@redhat.com>
2538 * pt.c (unify): If ELTTYPE has no deducible template parms, skip
2539 deduction from the list elements.
2540 (type_unification_real): Check convertibility of list elements.
2542 2018-06-06 Jason Merrill <jason@redhat.com>
2544 PR c++/86060 - ICE on range for with -std=c++98.
2545 * parser.c (cp_parser_init_statement): Don't clobber *decl after
2548 PR c++/85710 - ICE with -Wmemset-elt-size.
2549 * semantics.c (finish_call_expr): Call warn_for_memset here.
2550 * parser.c (cp_parser_postfix_expression): Not here.
2551 (literal_integer_zerop): No longer static.
2552 * pt.c (build_non_dependent_expr): Don't wrap CONST_DECL.
2554 2018-06-05 Marek Polacek <polacek@redhat.com>
2557 * tree.c (cp_tree_equal): Handle USING_DECL.
2559 2018-06-05 Jason Merrill <jason@redhat.com>
2561 PR c++/85731 - wrong error with qualified-id in template.
2562 * semantics.c (finish_qualified_id_expr): build_qualified_name
2563 for unbound names in the current class.
2565 2018-06-04 Jason Merrill <jason@redhat.com>
2567 PR c++/61806 - missed SFINAE with partial specialization.
2568 * cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
2569 parameter to constructor.
2570 * pt.c (instantiate_class_template_1): Enable access checking
2571 before call to most_specialized_partial_spec.
2573 PR c++/85765 - SFINAE and non-type default template arg.
2574 * pt.c (type_unification_real): Do full semantic processing if
2575 substituting a partial args list replaces all template parms.
2577 2018-06-03 Jason Merrill <jason@redhat.com>
2579 PR c++/85739 - ICE with pointer to member template parm.
2580 * cvt.c (perform_qualification_conversions): Use cp_fold_convert.
2582 2018-06-02 Jason Merrill <jason@redhat.com>
2584 PR c++/85761 - ICE with ill-formed use of const outer variable.
2585 * expr.c (mark_use): Handle location wrappers.
2587 2018-06-01 Jason Merrill <jason@redhat.com>
2589 PR c++/85764 - bogus 'this' not captured error.
2590 * lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
2591 (nonlambda_method_basetype): Handle NSDMI.
2593 CWG 1581: When are constexpr member functions defined?
2594 * constexpr.c (instantiate_cx_fn_r, instantiate_constexpr_fns): New.
2595 (cxx_eval_outermost_constant_expr): Call instantiate_constexpr_fns.
2597 PR c++/58281 - explicit instantiation of constexpr
2598 * pt.c (mark_decl_instantiated): Clear DECL_EXTERNAL.
2600 * pt.c (instantiate_decl): Any defaulted function is defined.
2602 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
2605 * call.c (resolve_args): Use location of expression, not current input
2608 2018-05-30 Ville Voutilainen <ville.voutilainen@gmail.com>
2610 Do not warn about zero-as-null when NULL is used.
2611 * call.c (conversion_null_warnings): Check for pointer
2612 types converted from zero constants.
2613 (convert_like_real): Add a warning sentinel at the end.
2614 * tree.c (maybe_warn_zero_as_null_pointer_constant): Also
2617 2018-05-30 Jason Merrill <jason@redhat.com>
2619 PR c++/85807 - ICE with call in template NSDMI.
2620 * init.c (get_nsdmi): Use push_to/pop_from_top_level.
2621 * tree.c (bot_manip): Don't set_flags_from_callee in a template.
2623 PR c++/85873 - constant initializer_list array not in .rodata.
2624 * tree.c (build_target_expr): Set TREE_READONLY.
2625 * call.c (set_up_extended_ref_temp): Set TREE_READONLY.
2627 * parser.c (cp_parser_check_condition_declarator): Handle
2628 cp_error_declarator.
2630 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
2632 * typeck.c (cxx_sizeof_or_alignof_type): Return size_one_node instead
2633 of using it in dead store.
2635 2018-05-29 Jason Merrill <jason@redhat.com>
2637 PR c++/67445 - returning temporary initializer_list.
2638 PR c++/67711 - assigning from temporary initializer_list.
2639 PR c++/48562 - new initializer_list.
2640 * typeck.c (maybe_warn_about_returning_address_of_local): Also warn
2641 about returning local initializer_list.
2642 * cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
2643 * call.c (build_over_call): Warn about assignment from temporary
2645 * init.c (build_new_1): Warn about 'new std::initializer_list'.
2646 (find_list_begin, maybe_warn_list_ctor): New.
2647 (perform_member_init): Use maybe_warn_list_ctor.
2649 2018-05-29 Marek Polacek <polacek@redhat.com>
2652 * init.c (build_new): Handle deducing a class with new
2653 with more than one argument.
2655 2018-05-29 Jakub Jelinek <jakub@redhat.com>
2658 * init.c (build_aggr_init): For structured binding initialized from
2659 array call mark_rvalue_use on the initializer.
2661 2018-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
2663 * decl2.c (start_static_storage_duration_function): Use
2664 splay_tree_delete_pointers.
2666 2018-05-25 Jason Merrill <jason@redhat.com>
2668 PR c++/85815 - reference to member of enclosing template.
2669 * search.c (lookup_base): Use currently_open_class.
2670 (lookup_member): Use it regardless of -fconcepts.
2671 * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
2673 CWG 616, 1213 - value category of subobject references.
2674 * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
2676 2018-05-24 Jason Merrill <jason@redhat.com>
2678 PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
2679 * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
2682 2018-05-24 Ville Voutilainen <ville.voutilainen@gmail.com>
2684 Pedwarn on a non-standard position of a C++ attribute.
2685 * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
2686 after the namespace name.
2688 2018-05-24 Paolo Carlini <paolo.carlini@oracle.com>
2690 * cp-tree.h (INDIRECT_TYPE_P): New.
2691 * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
2692 joust): Use it instead of POINTER_TYPE_P.
2693 * class.c (update_vtable_entry_for_fn, find_flexarrays,
2694 * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
2695 * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
2696 * cxx_eval_increment_expression, potential_constant_expression_1):
2698 * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
2699 * cp-objcp-common.c (cxx_get_alias_set): Likewise.
2700 * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
2701 cp_ubsan_maybe_instrument_downcast): Likewise.
2702 * cvt.c (cp_convert_to_pointer, ocp_convert,
2703 cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
2704 * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
2705 pp_cxx_offsetof_expression_1): Likewise.
2706 * decl.c (grokparms, static_fn_type): Likewise.
2707 * decl2.c (grokbitfield): Likewise.
2708 * error.c (dump_expr): Likewise.
2709 * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
2710 * init.c (warn_placement_new_too_small): Likewise.
2711 * lambda.c (build_capture_proxy, add_capture): Likewise.
2712 * parser.c (cp_parser_omp_for_loop): Likewise.
2713 * pt.c (convert_nontype_argument, fn_type_unification,
2714 uses_deducible_template_parms, check_cv_quals_for_unify,
2715 dependent_type_p_r): Likewise.
2716 * search.c (check_final_overrider): Likewise.
2717 * semantics.c (handle_omp_array_sections, finish_omp_clauses,
2718 finish_omp_for): Likewise.
2719 * tree.c (cp_build_qualified_type_real): Likewise.
2720 * typeck.c (build_class_member_access_expr,
2721 finish_class_member_access_expr, build_x_indirect_ref,
2722 cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
2725 2018-05-24 Jason Merrill <jason@redhat.com>
2727 PR c++/85864 - literal template and default template arg.
2728 * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
2730 2018-05-24 Marek Polacek <polacek@redhat.com>
2733 * init.c (build_new_1): Use fold_non_dependent_expr. Use a dedicated
2734 variable for its result. Fix a condition.
2735 (build_new): Use fold_non_dependent_expr. Tweak a condition.
2737 2018-05-23 Jason Merrill <jason@redhat.com>
2739 Fix cast to rvalue reference from prvalue.
2740 * cvt.c (diagnose_ref_binding): Handle rvalue reference.
2741 * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
2742 non-class type. Handle xvalue argument.
2743 * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
2745 * semantics.c (finish_compound_literal): Do direct-initialization,
2746 not cast, to initialize a reference.
2748 CWG 616, 1213 - value category of subobject references.
2749 * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
2751 * typeck2.c (build_m_component_ref): Likewise.
2752 * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
2753 distinction between temporary and xvalue.
2755 2018-05-23 Marek Polacek <polacek@redhat.com>
2757 Implement P0614R1, Range-based for statements with initializer.
2758 * parser.c (cp_parser_range_based_for_with_init_p): New.
2759 (cp_parser_init_statement): Use it. Parse the optional init-statement
2760 for a range-based for loop.
2761 (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
2763 2018-05-22 Jason Merrill <jason@redhat.com>
2765 PR c++/81420 - not extending temporary lifetime.
2766 * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
2767 * class.c (build_base_path): Avoid redundant move of an rvalue.
2769 PR c++/85866 - error with .* in default template arg.
2770 * pt.c (tsubst_copy_and_build): Handle partial instantiation.
2772 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
2774 * parser.c (cp_parser_parameter_declaration_list): Remove
2776 (cp_parser_parameter_declaration_clause): Adjust.
2777 (cp_parser_cache_defarg): Likewise.
2779 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
2782 * parser.c (cp_parser_maybe_commit_to_declaration,
2783 cp_parser_check_condition_declarator): New.
2784 (cp_parser_simple_declaration): Use the first above.
2785 (cp_parser_condition): Use both the above; enforce
2786 [stmt.stmt]/2 about the declarator not specifying
2787 a function or an array; improve error-recovery.
2789 2018-05-20 Jason Merrill <jason@redhat.com>
2791 PR libstdc++/85843 - warning in logic_error copy constructor.
2792 * class.c (type_has_user_nondefault_constructor): Check for a
2793 user-provided ctor, not user-declared.
2795 2018-05-19 Jason Merrill <jason@redhat.com>
2797 * pt.c (tsubst_pack_expansion): Sorry rather than abort
2798 on __integer_pack as subexpression of pattern.
2800 2018-05-18 Jason Merrill <jason@redhat.com>
2802 PR c++/58407 - deprecated implicit copy ops.
2803 * call.c (build_over_call): Warn about deprecated trivial fns.
2804 * class.c (classtype_has_user_copy_or_dtor): New.
2805 (type_build_ctor_call): Check TREE_DEPRECATED.
2806 (type_build_dtor_call): Likewise.
2807 * decl2.c (cp_warn_deprecated_use): Move from tree.c.
2808 Add checks. Return bool. Handle -Wdeprecated-copy.
2809 (mark_used): Use it.
2810 * decl.c (grokdeclarator): Remove redundant checks.
2811 * typeck2.c (build_functional_cast): Likewise.
2812 * method.c (lazily_declare_fn): Mark deprecated copy ops.
2813 * init.c (build_aggr_init): Only set TREE_USED if there are
2816 2018-05-18 Cesar Philippidis <cesar@codesourcery.com>
2819 * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
2822 2018-05-18 Richard Sandiford <richard.sandiford@linaro.org>
2824 * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
2825 (potential_constant_expression_1): Likewise.
2827 2018-05-16 Marek Polacek <polacek@redhat.com>
2830 * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
2831 * tree.c (bot_manip): Call set_flags_from_callee for
2832 AGGR_INIT_EXPRs too.
2834 2018-05-15 Jason Merrill <jason@redhat.com>
2836 * cp-tree.h (cp_expr): Remove copy constructor.
2837 * mangle.c (struct releasing_vec): Declare copy constructor.
2839 * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
2841 PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
2842 * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
2843 is a throw-expression.
2845 2018-05-15 Paolo Carlini <paolo.carlini@oracle.com>
2847 * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
2848 (FOR_EACH_CLONE): Update.
2849 * decl.c (grokdeclarator): Use it.
2850 * decl2.c (vague_linkage_p): Likewise.
2851 * mangle.c (mangle_decl): Likewise.
2852 * method.c (lazily_declare_fn): Likewise.
2853 * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
2854 * repo.c (repo_emit_p): Likewise.
2855 * tree.c (decl_linkage): Likewise.
2857 2018-05-14 Jason Merrill <jason@redhat.com>
2859 Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
2860 * tree.c (build_cp_fntype_variant): New.
2861 (build_ref_qualified_type, build_exception_variant)
2862 (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
2863 (cxx_type_hash_eq, cp_check_qualified_type): Check
2864 TYPE_HAS_LATE_RETURN_TYPE.
2865 (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
2866 (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
2867 * class.c (build_clone): Use cxx_copy_lang_qualifiers.
2868 (adjust_clone_args): Likewise.
2869 * decl.c (grokfndecl): Add late_return_type_p parameter. Use
2870 build_cp_fntype_variant.
2871 (grokdeclarator): Pass late_return_type_p to grokfndecl.
2872 (check_function_type): Use cxx_copy_lang_qualifiers.
2873 (static_fn_type): Use cxx_copy_lang_qualifiers.
2874 * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
2875 (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
2876 (change_return_type): Use cxx_copy_lang_qualifiers.
2877 * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
2878 * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
2879 return type on the declarator like a normal trailing return type.
2880 * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
2881 (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
2882 * typeck.c (merge_types): Use build_cp_fntype_variant.
2884 2018-05-14 Paolo Carlini <paolo.carlini@oracle.com>
2886 * cp-tree.h (TYPE_REF_P): New.
2887 (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
2888 * call.c (build_list_conv, build_aggr_conv, standard_conversion,
2889 direct_reference_binding, reference_binding, implicit_conversion,
2890 add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
2891 build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
2892 build_over_call, perform_implicit_conversion_flags,
2893 extend_ref_init_temps, type_has_extended_temps): Use it.
2894 * class.c (one_inheriting_sig, check_field_decls,
2895 check_bases_and_members, find_flexarrays, finish_struct,
2896 fixed_type_or_null): Likewise.
2897 * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
2898 non_const_var_error, cxx_eval_constant_expression,
2899 potential_constant_expression_1): Likewise.
2900 * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
2901 cp_genericize_r, cxx_omp_privatize_by_reference,
2902 cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
2903 cp_fold_maybe_rvalue): Likewise.
2904 * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
2905 * cvt.c (build_up_reference, convert_to_reference,
2906 convert_from_reference, convert_to_void, noexcept_conv_p,
2907 fnptr_conv_p): Likewise.
2908 * decl.c (poplevel, check_for_uninitialized_const_var,
2909 check_initializer, initialize_local_var, cp_finish_decl,
2910 get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
2911 move_signature_fn_p, grok_op_properties, finish_function): Likewise.
2912 * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
2913 decl_maybe_constant_var_p): Likewise.
2914 * error.c (dump_type_prefix, dump_expr): Likewise.
2915 * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
2916 is_admissible_throw_operand_or_catch_parameter): Likewise.
2917 * expr.c (mark_use): Likewise.
2918 * init.c (build_zero_init_1, build_value_init_noctor,
2919 perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
2920 build_new, build_delete): Likewise.
2921 * lambda.c (build_lambda_object): Likewise.
2922 * mangle.c (write_expression, write_template_arg): Likewise.
2923 * method.c (forward_parm, do_build_copy_constructor,
2924 do_build_copy_assign, build_stub_object, constructible_expr,
2925 walk_field_subobs): Likewise.
2926 * parser.c (cp_parser_omp_for_loop_init,
2927 cp_parser_omp_declare_reduction_exprs,
2928 cp_parser_omp_declare_reduction): Likewise.
2929 * pt.c (convert_nontype_argument_function, convert_nontype_argument,
2930 convert_template_argument, tsubst_pack_expansion,
2931 tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
2932 maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
2933 more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
2934 value_dependent_expression_p, build_deduction_guide): Likewise.
2935 * semantics.c (finish_handler_parms, finish_non_static_data_member,
2936 finish_compound_literal, omp_privatize_field,
2937 handle_omp_array_sections_1, handle_omp_array_sections,
2938 cp_check_omp_declare_reduction, finish_omp_reduction_clause,
2939 finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
2940 finish_omp_clauses, finish_decltype_type, capture_decltype,
2941 finish_builtin_launder): Likewise.
2942 * tree.c (lvalue_kind, cp_build_reference_type, move,
2943 cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
2944 * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
2945 cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
2946 cp_build_addr_expr_1, maybe_warn_about_useless_cast,
2947 build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
2948 build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
2949 convert_for_initialization,
2950 maybe_warn_about_returning_address_of_local, check_return_expr,
2951 cp_type_quals, casts_away_constness, non_reference): Likewise.
2952 * typeck2.c (cxx_readonly_error, store_init_value,
2953 process_init_constructor_record, build_x_arrow, build_functional_cast,
2954 add_exception_specifier): Likewise.
2956 2018-05-14 Jason Merrill <jason@redhat.com>
2958 * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
2959 (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
2961 2018-05-11 Jakub Jelinek <jakub@redhat.com>
2964 * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
2965 * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
2966 cxx_omp_predetermined_sharing_1. Rename old function to ...
2967 (cxx_omp_predetermined_sharing_1): ... this.
2968 * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
2969 instead of cxx_omp_predetermined_sharing.
2971 2018-05-10 Jason Merrill <jason@redhat.com>
2973 * decl.c (cp_finish_decl): Don't instantiate auto variable.
2974 (check_static_variable_definition): Allow auto.
2975 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
2977 * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
2978 (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
2980 Core issue 2310 - conversion to base of incomplete type.
2981 * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
2983 CWG 2267 - list-initialization of reference temporary
2984 * call.c (reference_binding): List-initializing a reference
2985 temporary is copy-list-initialization.
2987 * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
2989 * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
2990 instantiation in template context.
2992 * class.c (vbase_has_user_provided_move_assign): Use
2995 * lambda.c (lambda_expr_this_capture): Improve logic.
2997 * decl.c (make_typename_type): s/parameters/arguments/.
2998 * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
2999 * pt.c (make_pack_expansion): Correct error message.
3001 2018-05-10 Jakub Jelinek <jakub@redhat.com>
3004 * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
3005 fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
3008 2018-05-10 Eric Botcazou <ebotcazou@adacore.com>
3011 * decl2.c (adjust_var_decl_tls_model): New static function.
3012 (comdat_linkage): Call it on a variable.
3013 (maybe_make_one_only): Likewise.
3015 2018-05-09 Paolo Carlini <paolo.carlini@oracle.com>
3019 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
3022 * parser.c (cp_parser_parameter_declaration_list): When the
3023 entire parameter-declaration-list is erroneous maybe call
3024 abort_fully_implicit_template.
3026 2018-05-08 Jason Merrill <jason@redhat.com>
3028 PR c++/85706 - class deduction under decltype
3029 * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE. Clear
3030 *walk_subtrees whether or not we walked into the operand.
3031 (type_uses_auto): Only look at deduced contexts.
3033 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
3036 * parser.c (cp_parser_parameter_declaration_list): When the
3037 entire parameter-declaration-list is erroneous maybe call
3038 abort_fully_implicit_template.
3040 2018-05-08 Marek Polacek <polacek@redhat.com>
3043 * semantics.c (finish_if_stmt_cond): See through typedefs.
3045 2018-05-07 Jason Merrill <jason@redhat.com>
3047 PR c++/85646 - lambda visibility.
3048 * decl2.c (determine_visibility): Don't mess with template arguments
3049 from the containing scope.
3050 (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
3053 2018-05-07 Nathan Sidwell <nathan@acm.org>
3055 Remove fno-for-scope
3056 * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
3057 (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
3058 (SET_DECL_SHADOWED_FOR_VAR): Delete.
3059 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
3060 (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
3062 * name-lookup.h (struct cp_binding_level): Remove
3063 dead_vars_from_for field.
3064 * cp-lang.c (cp_init_ts): Delete.
3065 (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
3066 * cp-objcp-common.c (shadowed_var_for_decl): Delete.
3067 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
3068 (init_shadowed_var_for_decl): Delete.
3069 * decl.c (poplevel): Remove shadowed for var handling.
3070 (cxx_init_decl_processing): Remove -ffor-scope deprecation.
3071 * name-lookup.c (find_local_binding): Remove shadowed for var
3073 (check_local_shadow): Likewise.
3074 (check_for_out_of_scope_variable): Delete.
3075 * parser.c (cp_parser_primary_expression): Remove shadowed for var
3077 * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
3078 * semantics.c (begin_for_scope): Always have a scope.
3079 (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
3080 (begin_range_for_stmt, finish_id_expression): Likewise.
3082 2018-05-07 Jason Merrill <jason@redhat.com>
3084 PR c++/85618 - ICE with initialized VLA.
3085 * tree.c (vla_type_p): New.
3086 * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
3087 rather than array_of_runtime_bound_p.
3089 2018-05-05 Paolo Carlini <paolo.carlini@oracle.com>
3091 * cvt.c (ocp_convert): Early handle the special case of a
3092 null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
3094 2018-05-03 Jason Merrill <jason@redhat.com>
3096 PR c++/85600 - virtual delete failure.
3097 * init.c (build_delete): Always save_expr when deleting.
3099 2018-05-03 Nathan Sidwell <nathan@acm.org>
3101 * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
3102 * name-lookup.c (do_pushdecl): Likewise.
3104 2018-05-02 Paolo Carlini <paolo.carlini@oracle.com>
3105 Jason Merrill <jason@redhat.com>
3108 * name-lookup.c (check_local_shadow): Don't handle static old
3109 declarations in the block handling locals shadowing locals.
3111 2018-05-01 Jason Merrill <jason@redhat.com>
3113 PR c++/85587 - error with scoped enum in template.
3114 * semantics.c (finish_qualified_id_expr): Don't return an
3115 unqualified IDENTIFIER_NODE.
3117 2018-04-30 Jason Merrill <jason@redhat.com>
3119 PR c++/85580 - extern "C" and local variables
3120 * name-lookup.c (check_extern_c_conflict): Ignore local decls.
3122 PR c++/84701 - unsigned typeof.
3123 * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
3124 of long/short/signed/unsigned.
3126 PR c++/85305 - pack in lambda init-capture.
3127 * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
3128 check_for_bare_parameter_packs in a subexpression.
3129 (cp_parser_lambda_introducer): Use it.
3131 PR c++/61982 - dead stores to destroyed objects.
3132 * call.c (build_trivial_dtor_call): New, assigns a clobber.
3133 (build_over_call, build_special_member_call): Use it.
3134 * cp-tree.h: Declare it.
3135 * init.c (build_delete): Remove trivial path.
3137 * init.c (build_dtor_call): Use build_special_member_call.
3138 (build_delete): Remove redundant uses of save_addr.
3140 * decl.c (build_clobber_this): Use build_clobber.
3142 2018-04-27 Jakub Jelinek <jakub@redhat.com>
3145 * init.c (build_zero_init_1): For zero initialization of
3146 NULLPTR_TYPE_P type use build_int_cst directly.
3148 2018-04-27 David Malcolm <dmalcolm@redhat.com>
3151 * name-lookup.c (consider_binding_level): Skip compiler-generated
3153 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
3154 nested if statements into a series of rejection tests. Reject
3155 lambda-ignored entities as suggestions.
3157 2018-04-27 Jason Merrill <jason@redhat.com>
3159 * cvt.c (cp_fold_convert): Use convert_ptrmem.
3160 * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
3162 2018-04-27 Paolo Carlini <paolo.carlini@oracle.com>
3165 * decl.c (grokdeclarator): Clear friendp upon definition in local
3166 class definition error.
3168 2018-04-27 Jason Merrill <jason@redhat.com>
3170 PR c++/85545 - ICE with noexcept PMF conversion.
3171 * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
3173 * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
3175 (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
3177 2018-04-27 Nathan Sidwell <nathan@acm.org>
3179 * typeck.c (convert_ptrmem): Move local var decls to initialization.
3181 * cp-tree.h (TEMPLATE_INFO): Fix comments.
3182 (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
3183 (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
3184 (dump, print_other_binding_stacks): Remove declarations.
3185 * name-lookup.c (print_other_binding_stack): Make static.
3186 * pt.c (build_template_decl): Make static.
3188 2018-04-26 Jason Merrill <jason@redhat.com>
3190 PR c++/85545 - ICE with noexcept PMF conversion.
3191 * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
3193 2018-04-25 Nathan Sidwell <nathan@acm.org>
3197 * cp-tree.h (REINTERPRET_CAST_P): New.
3198 * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
3199 Reject REINTERPET_CAST_P conversions. Use cplus_expand_constant
3200 for non-trivial PTRMEM_CST cases.
3201 * typeck.c (build_nop_reinterpret): New.
3202 (build_reinterpret_cast_1): Use it. Set REINTERPRET_CAST_P on
3203 NOP_EXPRs returned by cp_convert.
3205 2018-04-23 Jason Merrill <jason@redhat.com>
3207 PR c++/69560 - wrong alignof(double) on x86.
3208 CWG 1879 - Inadequate definition of alignment requirement.
3209 * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
3210 * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
3211 (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
3212 (cxx_alignof_expr): Pass it.
3213 * parser.c (cp_parser_unary_expression): Pass it.
3214 * pt.c (tsubst_copy): Copy it.
3215 (tsubst_copy_and_build): Pass it.
3216 * decl.c (fold_sizeof_expr): Pass it.
3218 2018-04-23 Jakub Jelinek <jakub@redhat.com>
3219 Jason Merrill <jason@redhat.com>
3221 PR c++/85470 - wrong error with static data member.
3222 * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
3223 * typeck2.c (store_init_value): Likewise.
3225 2018-04-20 Jakub Jelinek <jakub@redhat.com>
3228 * cp-tree.h (tinst_level): Remove in_system_header_p member,
3229 change refcount member from unsigned char to unsigned short,
3230 add refcount_infinity static data member, adjust comments.
3231 * pt.c (tinst_level::refcount_infinity): Define.
3232 (inc_refcount_use): Remove assert, don't increment if refcount
3233 is already refcount_infinity, adjust comment.
3234 (dec_refcount_use): Remove assert, don't decrement if refcount
3235 is refcount_infinity, adjust comment.
3236 (push_tinst_level_loc): Formatting fix.
3238 2018-04-19 Paolo Carlini <paolo.carlini@oracle.com>
3241 * pt.c (lookup_template_class_1): Check pushtag return value for
3244 2018-04-19 Alexandre Oliva <aoliva@redhat.com>
3247 * cp-tree.h (tinst_level::free): Fix whitespace.
3249 2018-04-18 Paolo Carlini <paolo.carlini@oracle.com>
3252 * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
3253 for error_mark_node.
3255 2018-04-18 Jakub Jelinek <jakub@redhat.com>
3258 * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
3259 tricks from here to ...
3260 * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
3261 if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
3263 2018-04-18 Alexandre Oliva <aoliva@redhat.com>
3266 * cp-tree.h (struct tinst_level): Split decl into tldcl and
3267 targs. Add private split_list_p, tree_list_p, and not_list_p
3268 inline const predicates; to_list private member function
3269 declaration; free public member function declaration; list_p,
3270 get_node and maybe_get_node accessors, and refcount data
3271 member. Narrow errors to unsigned short.
3272 * error.c (print_instantiation_full_context): Use new
3274 (print_instantiation_partial_context_line): Likewise. Drop
3275 const from tinst_level-typed parameter.
3276 * mangle.c (mangle_decl_string): Likewise.
3277 * pt.c (freelist): New template class.
3278 (tree_list_freelist_head): New var.
3279 (tree_list_freelist): New fn, along with specializations.
3280 (tinst_level_freelist_head): New var.
3281 (pending_template_freelist_head): Likewise.
3282 (tinst_level_freelist, pending_template_freelist): New fns.
3283 (tinst_level::to_list, tinst_level::free): Define.
3284 (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
3285 (set_refcount_ptr): New template fn.
3286 (add_pending_template): Adjust for refcounting, freelists and
3288 (neglectable_inst_p): Take a NULL d as a non-DECL.
3289 (limit_bad_template_recursion): Use new accessors.
3290 (push_tinst_level): New overload to create the list.
3291 (push_tinst_level_loc): Make it static, split decl into two
3292 args, adjust tests and initialization to cope with split
3293 lists, use freelist, adjust for refcounting.
3294 (push_tinst_level_loc): New wrapper with the old interface.
3295 (pop_tinst_level): Adjust for refcounting.
3296 (record_last_problematic_instantiation): Likewise.
3297 (reopen_tinst_level): Likewise. Use new accessors.
3298 (instantiate_alias_template): Adjust for split list.
3299 (fn_type_unification): Likewise.
3300 (get_partial_spec_bindings): Likewise.
3301 (instantiate_pending_templates): Use new accessors. Adjust
3302 for refcount. Release pending_template to freelist.
3303 (instantiating_current_function_p): Use new accessors.
3305 2018-04-16 Alexandre Oliva <aoliva@redhat.com>
3308 * parser.c (cp_parser_builtin_offset): Reject type definitions.
3309 * mangle.c (nested_anon_class_index): Avoid crash returning -1
3310 if we've seen errors.
3312 2018-04-12 David Malcolm <dmalcolm@redhat.com>
3315 * name-lookup.c (macro_use_before_def::maybe_make): New function,
3316 checking that the use is indeed before the definition.
3317 (macro_use_before_def::macro_use_before_def): Make private.
3318 (macro_use_before_def::~macro_use_before_def): Make private. Move
3319 check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
3320 (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
3321 than using new directly.
3323 2018-04-12 Jason Merrill <jason@redhat.com>
3325 PR c++/85356 - ICE with pointer to member function.
3326 * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
3327 flag_noexcept_type. Build the new spec within the function context.
3328 * except.c (build_noexcept_spec): Do get constant value in templates
3329 if flag_noexcept_type.
3330 * decl.c (check_redeclaration_exception_specification): Don't
3331 instantiate noexcept on a dependent declaration.
3333 2018-04-12 Marek Polacek <polacek@redhat.com>
3336 * constexpr.c (reduced_constant_expression_p): Return false for null
3339 2018-04-11 Marek Polacek <polacek@redhat.com>
3342 * constexpr.c (potential_constant_expression_1): Consider conversions
3343 from classes to literal types potentially constant.
3345 2018-04-10 Paolo Carlini <paolo.carlini@oracle.com>
3348 * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
3349 the type like TYPE_PTR_OR_PTRMEM_P.
3351 2018-04-10 Jason Merrill <jason@redhat.com>
3353 PR debug/65821 - wrong location for main().
3354 * call.c (clear_location_r, convert_default_arg): Revert.
3355 * tree.c (break_out_target_exprs): Add clear_location parm.
3356 (struct bot_data): New.
3357 (bot_manip): Clear location if requested.
3358 * init.c (get_nsdmi): Pass clear_location.
3360 2018-04-10 David Malcolm <dmalcolm@redhat.com>
3363 * call.c (get_fndecl_argument_location): Make non-static.
3364 * cp-tree.h (get_fndecl_argument_location): New decl.
3365 * typeck.c (convert_for_assignment): When complaining due to
3366 conversions for an argument, show the location of the parameter
3369 2018-04-10 Jakub Jelinek <jakub@redhat.com>
3371 PR c++/85312 - P0962 cleanup
3372 * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
3375 2018-04-10 Jason Merrill <jason@redhat.com>
3377 PR debug/65821 - wrong location for main().
3378 * call.c (clear_location_r): New.
3379 (convert_default_arg): Use it.
3380 * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
3382 PR c++/85285 - ICE with flexible array after substitution.
3383 * pt.c (instantiate_class_template_1): Check for flexible array in
3386 2018-04-09 Paolo Carlini <paolo.carlini@oracle.com>
3389 * decl.c (cp_finish_decomp): In a template, if the type is incomplete
3390 issue a pedwarn and defer trying to do bindings.
3392 2018-04-09 Jason Merrill <jason@redhat.com>
3394 PR c++/85279 - dump_expr doesn't understand decltype.
3395 * error.c (dump_expr): Handle DECLTYPE_TYPE.
3397 PR c++/85262 - ICE with redundant qualification on constructor.
3398 * call.c (build_new_method_call_1): Move make_args_non_dependent
3399 after A::A() handling.
3401 PR c++/85277 - ICE with invalid offsetof.
3402 * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
3403 Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
3405 PR c++/85264 - ICE with excess template-parameter-list.
3406 * parser.c (cp_parser_check_template_parameters): Add template_id_p
3407 parameter. Don't allow an extra template header if true.
3408 (cp_parser_class_head): Pass template_id_p.
3409 (cp_parser_elaborated_type_specifier): Likewise.
3410 (cp_parser_alias_declaration): Likewise.
3411 (cp_parser_check_declarator_template_parameters): Likewise.
3413 2018-04-09 Jakub Jelinek <jakub@redhat.com>
3416 * parser.c (cp_parser_simple_declaration): For structured bindings,
3417 if *maybe_range_for_decl is NULL after parsing it, set it to
3420 2018-04-09 Jason Merrill <jason@redhat.com>
3422 PR c++/85256 - ICE capturing pointer to VLA.
3423 * lambda.c (add_capture): Distinguish between variable-size and
3424 variably-modified types.
3426 2018-04-06 Jason Merrill <jason@redhat.com>
3428 PR c++/85214 - ICE with alias, generic lambda, constexpr if.
3429 * pt.c (extract_locals_r): Remember local typedefs.
3431 2018-04-06 David Malcolm <dmalcolm@redhat.com>
3434 * name-lookup.c (struct std_name_hint): Move out of
3435 get_std_name_hint; add field "min_dialect".
3436 (get_std_name_hint): Add min_dialect values to all initializers.
3437 Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
3438 <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
3439 <shared_mutex>, <string_view>, <thread>, and <variant>.
3440 Add fstream, ifstream, and ofstream to <fstream>.
3441 Add istringstream, ostringstream, and stringstream to <sstream>.
3442 Add basic_string to <string>.
3443 Add tuple_element and tuple_size to <tuple>.
3444 Add declval to <utility>.
3445 Fix ordering of <queue> and <tuple>.
3446 Return a std_name_hint, rather than a const char *.
3447 (get_cxx_dialect_name): New function.
3448 (maybe_suggest_missing_std_header): Detect names that aren't yet
3449 available in the current dialect, and instead of suggesting a
3450 missing #include, warn about the dialect.
3452 2018-04-06 Jakub Jelinek <jakub@redhat.com>
3455 * pt.c (tsubst_decomp_names): Return error_mark_node and assert
3456 errorcount is set if tsubst doesn't return a VAR_DECL.
3458 2018-04-06 David Malcolm <dmalcolm@redhat.com>
3461 * name-lookup.c (using_directives_contain_std_p): New function.
3462 (has_using_namespace_std_directive_p): New function.
3463 (suggest_alternatives_for): Simplify if/else logic using early
3464 returns. If no candidates were found, and there's a
3465 "using namespace std;" directive, call
3466 maybe_suggest_missing_std_header.
3467 (maybe_suggest_missing_header): Split later part of the function
3469 (maybe_suggest_missing_std_header): New.
3471 2018-04-06 Jason Merrill <jason@redhat.com>
3473 PR c++/85242 - ICE with class definition in template parm.
3474 * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
3475 processing_template_parmlist.
3477 PR c++/85240 - LTO ICE with using of undeduced auto fn.
3478 * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
3480 2018-04-05 Jakub Jelinek <jakub@redhat.com>
3483 * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
3484 is not prev, if prev == decl.
3487 * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
3488 maybe_apply_pragma_weak here...
3489 (cp_maybe_mangle_decomp): ... but call it here instead.
3491 2018-04-05 Jason Merrill <jason@redhat.com>
3493 PR c++/85136 - ICE with designated init in template.
3494 * decl.c (maybe_deduce_size_from_array_init): Handle dependent
3495 designated initializer.
3496 (check_array_designated_initializer): Update ce->index with the
3499 PR c++/83808 - ICE with VLA initialization.
3500 * typeck2.c (process_init_constructor_array): Don't require a VLA
3501 initializer to have VLA type.
3503 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
3506 * call.c (convert_like_real): Fail gracefully for a broken
3507 std::initializer_list, missing a definition.
3509 * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
3511 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
3514 * decl.c (grokdeclarator): Fix diagnostic about typedef name used
3515 as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
3517 2018-04-05 Jason Merrill <jason@redhat.com>
3519 PR c++/82152 - ICE with class deduction and inherited ctor.
3520 * pt.c (do_class_deduction): Ignore inherited ctors.
3522 PR c++/84665 - ICE with array of empty class.
3523 * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
3525 PR c++/85228 - ICE with lambda in enumerator in template.
3526 * pt.c (bt_instantiate_type_proc): Don't assume
3527 CLASSTYPE_TEMPLATE_INFO is non-null.
3529 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
3532 * decl.c (find_decomp_class_base): Check accessibility instead
3533 of declared access, adjust diagnostic.
3535 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
3538 * decl.c (get_tuple_decomp_init): Check the templatedness
3541 2018-04-05 Jason Merrill <jason@redhat.com>
3543 PR c++/85200 - ICE with constexpr if in generic lambda.
3544 * pt.c (extract_locals_r): Don't record the local specs of variables
3545 declared within the pattern.
3547 2018-04-05 Alexandre Oliva <aoliva@redhat.com>
3550 * pt.c (check_auto_in_tmpl_args): New.
3551 (tsubst_qualified_id): Use it to reject template args
3552 referencing auto for non-type templates.
3553 * parser.c (cp_parser_template_id): Likewise.
3554 * cp-tree.h (check_auto_in_tmpl_args): Declare.
3555 * typeck2.c (build_functional_cast): Report correct location
3556 for invalid use of auto.
3558 2018-04-04 Jason Merrill <jason@redhat.com>
3560 PR c++/85215 - ICE with copy-init from conversion.
3561 * call.c (merge_conversion_sequences): Fix type of direct binding
3564 PR c++/84938 - ICE with division by ~-1.
3565 * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
3567 PR c++/84936 - ICE with unexpanded pack in mem-initializer.
3568 * parser.c (cp_parser_mem_initializer_list): Call
3569 check_for_bare_parameter_packs.
3571 2018-04-04 Jakub Jelinek <jakub@redhat.com>
3574 * constexpr.c (cxx_eval_builtin_function_call): For calls to
3575 builtin_valid_in_constant_expr_p functions, don't call
3576 cxx_eval_constant_expression if argument is not
3577 potential_constant_expression.
3580 * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
3582 * semantics.c (calculate_bases): Add complain argument. Use
3583 complete_type_or_maybe_complain instead of just complete_type and
3584 return an empty vector if it fails. Move make_tree_vector () call
3585 after early return. Formatting fixes.
3586 (calculate_direct_bases): Likewise. Call release_tree_vector at the
3588 (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
3589 * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
3590 calculate_direct_bases callers, formatting fixes.
3592 2018-04-04 Jason Merrill <jason@redhat.com>
3594 PR c++/85006 - -fconcepts ICE with A<auto...> return type
3595 * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
3597 PR c++/85200 - ICE with constexpr if in generic lambda.
3598 * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
3600 PR c++/84221 - bogus -Wunused with attribute and template.
3601 * decl2.c (is_late_template_attribute): Handle unused and used
3602 normally on non-TYPE_DECL.
3604 PR c++/85135 - ICE with omitted template arguments.
3605 * decl.c (grokdeclarator): Catch deduced class type in trailing
3608 PR c++/85133 - ICE with missing concept initializer.
3609 * decl.c (cp_finish_decl): If a concept initializer is missing, use
3612 PR c++/85118 - wrong error with generic lambda and std::bind.
3613 * call.c (add_template_conv_candidate): Disable if there are any
3616 PR c++/85141 - ICE with compound assignment and static member fn.
3617 * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
3618 compound assignment.
3620 PR c++/85148 - ICE with 'this' in array NSDMI.
3621 * tree.c (replace_placeholders_r): Use handled_component_p.
3623 2018-04-04 Ville Voutilainen <ville.voutilainen@gmail.com>
3626 * decl.c (grokfndecl): Handle standard UDL diagnostics here..
3627 * parser.c (cp_parser_unqualified_id): ..not here.
3629 2018-04-04 Alexandre Oliva <aoliva@redhat.com>
3632 * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
3634 * decl2.c (mark_used): Return without effects if tf_conv.
3636 2018-04-03 Jason Merrill <jason@redhat.com>
3638 PR c++/85092 - C++17 ICE with unused list constructor.
3639 * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
3642 PR c++/85113 - ICE with constexpr and __builtin_constant_p.
3643 * constexpr.c (cxx_eval_builtin_function_call): Only defer
3644 __builtin_constant_p if ctx->quiet.
3646 2018-04-03 Paolo Carlini <paolo.carlini@oracle.com>
3649 * pt.c (rewrite_template_parm): If the first argument is
3650 error_mark_node return it immediately.
3651 (build_deduction_guide): Check the return value of the
3652 latter for error_mark_node.
3653 (do_class_deduction): Check the return value of the latter.
3655 2018-04-03 Jason Merrill <jason@redhat.com>
3657 * semantics.c (finish_if_stmt_cond): Use
3658 instantiation_dependent_expression_p.
3660 PR c++/85149 - generic lambda and constexpr if.
3661 * pt.c (build_extra_args, add_extra_args): Split from
3662 tsubst_pack_expansion.
3663 (tsubst_expr) [IF_STMT]: Use them.
3664 * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
3666 * typeck.c (merge_types): Limit matching attribute shortcut to
3669 2018-04-03 Jakub Jelinek <jakub@redhat.com>
3672 * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
3675 * name-lookup.c (handle_namespace_attrs): Return early if attributes
3679 * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
3680 fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
3681 instead for static data members clear init and set DECL_EXTERNAL.
3683 2018-04-02 Jason Merrill <jason@redhat.com>
3685 PR c++/64095 - auto... parameter pack.
3686 * parser.c (cp_parser_parameter_declaration): Handle turning autos
3688 (cp_parser_parameter_declaration_list): Not here.
3690 2018-03-31 Alexandre Oliva <aoliva@redhat.com>
3693 * class.c (instantiate_type): Peel off SAVE_EXPR before
3696 2018-03-30 Jason Merrill <jason@redhat.com>
3698 * typeck2.c (process_init_constructor_record): Use
3699 init_list_type_node for the CONSTRUCTOR around an anonymous union
3700 designated initializer.
3702 2018-03-30 Jakub Jelinek <jakub@redhat.com>
3705 * semantics.c (finish_omp_reduction_clause): If
3706 OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
3707 even if processing_template_decl.
3709 2018-03-29 David Malcolm <dmalcolm@redhat.com>
3712 * name-lookup.c (get_std_name_hint): Add names from <memory>,
3713 <tuple>, and <utility>.
3715 2018-03-29 Jason Merrill <jason@redhat.com>
3717 PR c++/85093 - too many template args with pack expansion.
3718 * pt.c (coerce_template_parms): Keep pack expansion args that will
3721 2018-03-29 Jason Merrill <jason@redhat.com>
3723 * pt.c (build_non_dependent_expr): Propagate expr location.
3725 2018-03-27 Jason Merrill <jason@redhat.com>
3727 PR c++/85060 - wrong-code with call to base member in template.
3728 * search.c (any_dependent_bases_p): Check uses_template_parms
3729 rather than processing_template_decl.
3731 2018-03-29 David Malcolm <dmalcolm@redhat.com>
3734 * typeck.c (convert_for_assignment): When complaining due to
3735 conversions for an argument, attempt to use the location of the
3738 2018-03-28 Paolo Carlini <paolo.carlini@oracle.com>
3741 * pt.c (tsubst_default_argument): Early return if the type of the
3742 parameter is erroneous.
3744 2018-03-28 Alexandre Oliva <aoliva@redhat.com>
3747 * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
3751 * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
3753 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
3756 * method.c (defaulted_late_check): Partially revert r253321 changes,
3757 do not early return upon error.
3759 2018-03-27 Jakub Jelinek <jakub@redhat.com>
3762 * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
3763 type call fold to generate VECTOR_CSTs when possible.
3766 * tree.c (cp_build_reference_type): If to_type is error_mark_node,
3767 return it right away.
3769 2018-03-27 Volker Reichelt <v.reichelt@netcologne.de>
3771 * search.c (check_final_overrider): Use inform instead of error
3772 for the diagnostics of the overridden functions. Tweak wording.
3774 2018-03-27 Jakub Jelinek <jakub@redhat.com>
3777 * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
3778 is NULL. Assert if thunk_binfo is NULL then errorcount is non-zero.
3780 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
3781 Jason Merrill <jason@redhat.com>
3784 * init.c (build_aggr_init): When initializing from array,
3785 reject anything but CONSTRUCTORs and TARGET_EXPRs.
3786 (build_vec_init): Handle separately ARRAY_TYPEs.
3788 2018-03-26 Jason Merrill <jason@redhat.com>
3790 PR c++/85062 - ICE with alignas in wrong place.
3791 * decl.c (grokdeclarator): Ignore attributes on type-specifiers
3794 PR c++/85049 - ICE with __integer_pack.
3795 * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
3796 * cp-tree.h (TEMPLATE_PARM_P): New.
3798 2018-03-23 Jason Merrill <jason@redhat.com>
3800 PR c++/78489 - wrong SFINAE behavior.
3803 * pt.c (type_unification_real): Don't defer substitution failure.
3805 2018-03-23 Jakub Jelinek <jakub@redhat.com>
3808 * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
3812 * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
3813 cp_build_unary_op call with gcc_unreachable ().
3815 2018-03-23 Marek Polacek <polacek@redhat.com>
3818 * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
3819 Handle EXACT_DIV_EXPR and RDIV_EXPR. Tweak condition.
3820 (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
3822 2018-03-23 Ville Voutilainen <ville.voutilainen@gmail.com>
3825 * parser.c (cp_parser_perform_range_for_lookup): Change
3826 the condition for deciding whether to use members.
3828 2018-03-23 Marek Polacek <polacek@redhat.com>
3831 * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
3833 2018-03-23 Alexandre Oliva <aoliva@redhat.com>
3836 * parser.c (cp_parser_alias_declaration): Call
3837 parser_check_template_parameters.
3840 * pt.c (resolve_typename_type): Drop assert that stopped
3841 simplification to template-independent types. Add assert to
3842 verify the initial scope is template dependent.
3843 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
3844 Reparse the id expression as a type-name, not a declarator.
3847 * init.c (build_vec_init): Error at parenthesized array init.
3852 * cp-tree.h (temp_override): New template class, generalizing
3853 a cleanup that was only used...
3854 * parser.c (cp_parser_parameter_declaration_clause):
3855 ... here for auto_is_implicit_function_template_parm_p.
3856 (cp_parser_gnu_attributes_opt): Use it here as well.
3857 (cp_parser_std_attribute): Likewise.
3859 2018-03-22 Marek Polacek <polacek@redhat.com>
3862 * semantics.c (finish_if_stmt_cond): Check if the type of the condition
3865 2018-03-21 Jason Merrill <jason@redhat.com>
3867 PR c++/81311 - wrong C++17 overload resolution.
3868 * call.c (build_user_type_conversion_1): Remove C++17 code.
3869 (conv_binds_ref_to_prvalue): New.
3870 (build_over_call): Handle C++17 copy elision.
3871 (build_special_member_call): Only do C++17 copy elision here if the
3872 argument is already the right type.
3874 2018-03-21 Alexandre Oliva <aoliva@redhat.com>
3877 * init.c (build_vec_init): Silence error, former sorry,
3882 * parser.c (abort_fully_implicit_template_p): New.
3883 (cp_parser_skip_to_end_of_statement): Use it.
3884 (cp_parser_skip_to_end_of_block_or_statement): Likewise.
3885 (finish_fully_implicit_template_p): Clear
3886 implicit_template_parms and implicit_template_scope.
3888 2018-03-21 Paolo Carlini <paolo.carlini@oracle.com>
3891 * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
3892 error_mark_node when check_array_designated_initializer fails.
3894 2018-03-21 Jakub Jelinek <jakub@redhat.com>
3897 * cp-tree.h (genericize_compound_lvalue): Declare.
3898 * typeck.c (genericize_compound_lvalue): New function.
3899 (unary_complex_lvalue, cp_build_modify_expr): Use it.
3900 * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
3901 and PREDECREMENT_EXPR in output and "m" constrained input operands with
3902 COMPOUND_EXPR. Call cxx_mark_addressable on the rightmost
3903 COMPOUND_EXPR operand.
3905 2018-03-21 Nathan Sidwell <nathan@acm.org>
3908 * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
3909 * decl2.c (vague_linkage_p): Likewise.
3911 2018-03-21 David Malcolm <dmalcolm@redhat.com>
3914 * constexpr.c (constexpr_fn_retval): Make non-"static".
3915 * cp-tree.h (constexpr_fn_retval): New decl.
3916 * search.c (direct_accessor_p): Update leading comment.
3917 (reference_accessor_p): Likewise.
3918 (field_accessor_p): Replace check that function body is a
3919 RETURN_EXPR with a call to constexpr_fn_retval. Fix
3920 indentation of "field_type" decl.
3922 2018-03-21 Nathan Sidwell <nathan@acm.org>
3925 * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
3928 2018-03-21 Martin Sebor <msebor@redhat.com>
3931 * call.c (first_non_public_field): New template and function.
3932 (first_non_trivial_field): New function.
3933 (maybe_warn_class_memaccess): Call them.
3935 2018-03-21 David Malcolm <dmalcolm@redhat.com>
3938 * search.c (field_accessor_p): Use class_of_this_parm rather than
3939 type_of_this_parm, to check that "this" is a "const T *", rather
3942 2018-03-21 Nathan Sidwell <nathan@acm.org>
3944 * class.c (finish_struct_anon_r): Refactor, deprecate anything
3945 other than public non-static data members.
3946 * parser.c (cp_parser_init_declarator): Deprecate attributes after
3947 parenthesized initializer.
3950 * name-lookup.c (update_binding): Correct logic for local binding
3953 2018-03-21 Marek Polacek <polacek@redhat.com>
3955 PR c++/71638, ICE with NSDMI and reference.
3956 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
3957 even when we replace an element.
3959 2018-03-20 Marek Polacek <polacek@redhat.com>
3961 PR c++/84978, ICE with NRVO.
3962 * constexpr.c (cxx_eval_constant_expression): Handle the case when
3963 a RESULT_DECL isn't in the hash map.
3965 2018-03-20 Jason Merrill <jason@redhat.com>
3967 PR c++/84978, ICE with NRVO.
3968 * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
3969 (cp_get_callee_fndecl_nofold): New.
3970 * cp-gimplify.c (cp_genericize_r): Use it instead.
3971 * call.c (check_self_delegation): Likewise.
3973 2018-03-20 Nathan Sidwell <nathan@acm.org>
3976 * name-lookup.c (pushdecl_class_level): Push anon-struct's
3977 member_vec, if there is one.
3980 * cp-tree.h (lookup_list_keep): Declare.
3981 * tree.c (lookup_list_keep): New, broken out of ...
3982 (build_min): ... here. Call it.
3983 * decl.c (cp_finish_decl): Call lookup_list_keep.
3985 2018-03-19 Jason Merrill <jason@redhat.com>
3987 PR c++/84937 - ICE with class deduction and auto.
3988 * pt.c (rewrite_template_parm): Fix auto handling.
3990 2018-03-19 Marek Polacek <polacek@redhat.com>
3993 * pt.c (enclosing_instantiation_of): Check if fn is null.
3996 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
3997 as we evaluate the elements.
3998 (cxx_eval_constant_expression): Verify constructor's flags
4001 2018-03-19 Jason Merrill <jason@redhat.com>
4003 PR c++/71834 - template-id with too few arguments.
4004 * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
4006 2018-03-19 Nathan Sidwell <nathan@acm.org>
4009 * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
4010 * pt.c (build_template_decl): Propagate language linkage.
4013 * name-lookup.c (set_local_extern_decl_linkage): Defend against
4016 2018-03-16 Jakub Jelinek <jakub@redhat.com>
4019 * parser.c (cp_parser_lambda_introducer): Remove trailing space from
4021 * method.c (synthesize_method): Likewise.
4022 * pt.c (convert_nontype_argument): Likewise.
4024 2018-03-16 Jason Merrill <jason@redhat.com>
4026 PR c++/84720 - ICE with rvalue ref non-type argument.
4027 * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
4028 (convert_nontype_argument): Revert earlier change.
4030 PR c++/80227 - SFINAE and negative array size.
4031 * decl.c (compute_array_index_type): Use
4032 build_converted_constant_expr and valid_constant_size_p.
4034 PR c++/84906 - silent wrong code with ambiguous conversion.
4035 * call.c (build_user_type_conversion_1): Set need_temporary_p on
4036 ambiguous conversion.
4037 (convert_like_real): Check it.
4039 PR c++/83937 - wrong C++17 handling of init-list ctor argument.
4040 * call.c (build_special_member_call): Don't convert an init-list
4041 argument directly to the class type.
4043 2018-03-16 Jakub Jelinek <jakub@redhat.com>
4047 * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
4048 (find_placeholder): Declare.
4049 * tree.c (struct replace_placeholders_t): Add exp member.
4050 (replace_placeholders_r): Don't walk into ctors with
4051 CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
4052 d->exp. Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
4053 (replace_placeholders): Initialize data.exp.
4054 (find_placeholders_r, find_placeholders): New functions.
4055 * typeck2.c (process_init_constructor_record,
4056 process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
4057 if adding NSDMI on which find_placeholder returns true.
4058 * call.c (build_over_call): Don't call replace_placeholders here.
4059 * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
4060 TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
4061 TARGET_EXPR_INITIAL.
4062 (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
4065 2018-03-16 Jason Merrill <jason@redhat.com>
4067 PR c++/83911 - ICE with multiversioned constructor.
4068 * cp-gimplify.c (cp_genericize_r): Replace versioned function with
4070 * call.c (build_over_call): Not here.
4072 2018-03-16 Jakub Jelinek <jakub@redhat.com>
4075 * decl.c (reshape_init_class): Don't assert d->cur->index == field
4076 if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
4078 2018-03-15 Jakub Jelinek <jakub@redhat.com>
4081 * cp-tree.h (cp_warn_deprecated_use): Declare.
4082 * tree.c (cp_warn_deprecated_use): New function.
4083 * typeck2.c (build_functional_cast): Use it.
4084 * decl.c (grokparms): Likewise.
4085 (grokdeclarator): Likewise. Temporarily push nested class scope
4086 around grokparms call for out of class member definitions.
4088 2018-03-14 Jason Merrill <jason@redhat.com>
4090 PR c++/84820 - no error for invalid qualified-id.
4091 * parser.c (cp_parser_make_indirect_declarator): Don't wrap
4092 cp_error_declarator.
4094 PR c++/84801 - ICE with unexpanded pack in lambda.
4095 * pt.c (check_for_bare_parameter_packs): Don't return early for a
4096 lambda in non-template context.
4098 PR c++/81236 - auto variable and auto function
4099 * pt.c (tsubst_baselink): Update the type of the BASELINK after
4102 2018-03-14 Jason Merrill <jason@redhat.com>
4104 PR c++/83916 - ICE with template template parameters.
4105 * pt.c (convert_template_argument): Don't substitute into type of
4106 non-type parameter if we don't have enough arg levels.
4109 2018-03-14 Marek Polacek <polacek@redhat.com>
4112 * semantics.c (finish_static_assert): Check
4113 instantiation_dependent_expression_p instead of
4114 {type,value}_dependent_expression_p.
4116 2018-03-13 Paolo Carlini <paolo.carlini@oracle.com>
4117 Jason Merrill <jason@redhat.com>
4119 PR c++/82336 - link error with list-init default argument.
4120 * decl.c (check_default_argument): Unshare an initializer list.
4122 2018-03-13 Jakub Jelinek <jakub@redhat.com>
4125 * decl.c (duplicate_decls): For redefinition of built-in, use error
4126 and return error_mark_node. For redeclaration, return error_mark_node
4127 rather than olddecl if !flag_permissive.
4129 2018-03-13 Jason Merrill <jason@redhat.com>
4131 PR c++/82565 - ICE with concepts and generic lambda.
4132 * pt.c (instantiate_decl): Clear fn_context for lambdas.
4134 2018-03-13 Jason Merrill <jason@redhat.com>
4136 PR c++/84720 - ICE with rvalue ref non-type argument.
4137 * pt.c (convert_nontype_argument): Handle rvalue references.
4139 PR c++/84839 - ICE with decltype of parameter pack.
4140 * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
4141 instantiating dummy parms.
4143 * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
4144 parameter even without -Wpedantic.
4146 PR c++/84798 - ICE with auto in abstract function declarator.
4147 * parser.c (cp_parser_parameter_declaration_clause): Check
4148 parser->default_arg_ok_p.
4150 2018-03-13 Jakub Jelinek <jakub@redhat.com>
4153 * constexpr.c (find_array_ctor_elt): Don't use elt reference after
4154 first potential CONSTRUCTOR_ELTS reallocation. Convert dindex to
4155 sizetype. Formatting fixes.
4157 2018-03-12 Jason Merrill <jason@redhat.com>
4159 PR c++/84355 - ICE with deduction for member class template.
4160 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
4161 CLASS_PLACEHOLDER_TEMPLATE.
4163 PR c++/84802 - ICE capturing uninstantiated class.
4164 * lambda.c (build_capture_proxy): Call complete_type.
4166 2018-03-09 Jason Merrill <jason@redhat.com>
4168 PR c++/84770 - ICE with typedef and parameter pack.
4169 * pt.c (verify_unstripped_args_1): Split out from
4170 verify_unstripped_args.
4172 PR c++/84785 - ICE with alias template and default targs.
4173 * pt.c (type_unification_real): Set processing_template_decl if
4176 PR c++/84752 - ICE with capture of constexpr array.
4177 * call.c (standard_conversion): Set rvaluedness_matches_p on the
4178 identity conversion under ck_lvalue.
4180 2018-03-09 Jason Merrill <jason@redhat.com>
4181 Paolo Carlini <paolo.carlini@oracle.com>
4185 * pt.c (any_erroneous_template_args_p): New.
4186 * cp-tree.h (any_erroneous_template_args_p): Declare it.
4187 * parser.c (cp_parser_class_specifier_1): Use it.
4189 2018-03-09 Jason Merrill <jason@redhat.com>
4191 PR c++/84726 - unnecessary capture of constant vars.
4192 * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
4193 (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
4194 * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
4195 * lambda.c (is_constant_capture_proxy)
4196 (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
4197 (prune_lambda_captures): New.
4198 (finish_lambda_function): Call prune_lambda_captures.
4200 2018-03-09 Jason Merrill <jason@redhat.com>
4201 Jakub Jelinek <jakub@redhat.com>
4204 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
4205 build ADDR_EXPR with REFERENCE_TYPE.
4206 (build_over_call): For purposes of check_function_arguments, if
4207 argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
4208 its operand rather than the argument itself.
4210 2018-03-09 Jakub Jelinek <jakub@redhat.com>
4213 * decl.c (duplicate_decls): Don't override __* prefixed builtins
4214 except for __[^b]*_chk, instead issue permerror and for -fpermissive
4215 also a note and return olddecl.
4217 2018-03-09 Nathan Sidwell <nathan@acm.org>
4220 * name-lookup.c (do_pushdecl_with_scope): Only clear
4221 current_function_decl when pushing a non-class (i.e. namespace)
4224 2018-03-08 Jason Merrill <jason@redhat.com>
4225 Jakub Jelinek <jakub@redhat.com>
4228 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
4229 not calling mark_used for the benefit of -Wunused-function warning.
4231 2018-03-06 Jason Merrill <jason@redhat.com>
4233 * lambda.c (is_capture_proxy_with_ref): Remove.
4234 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
4236 2018-03-06 Marek Polacek <polacek@redhat.com>
4239 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
4242 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
4245 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
4246 only while processing template decls.
4247 * typeck.c (build_x_conditional_expr): Move wrapping of
4248 reference type around type...
4249 * call.c (build_conditional_expr_1): ... here. Rename
4250 is_lvalue to is_glvalue.
4251 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
4252 INDIRECT_REF of COND_EXPR too.
4255 * init.c (build_zero_init_1): Zero-initialize references.
4258 * semantics.c (finish_stmt_expr_expr): Reject unresolved
4259 overloads used as stmt expr values.
4261 2018-03-05 Jason Merrill <jason@redhat.com>
4263 PR c++/84708 - ICE with lambda in local class NSDMI.
4264 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
4267 2018-03-05 Jakub Jelinek <jakub@redhat.com>
4270 * constexpr.c (constexpr_call_hasher::equal): Return false if
4271 lhs->hash != rhs->hash. Change return 1 to return true and
4272 return 0 to return false.
4274 2018-03-05 Nathan Sidwell <nathan@acm.org>
4277 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
4279 2018-03-05 Marek Polacek <polacek@redhat.com>
4282 * decl.c (duplicate_decls): Check DECL_NAME before accessing
4285 2018-03-05 Nathan Sidwell <nathan@acm.org>
4288 * friend.c (do_friend): Restore check for identifier_p inside
4291 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
4294 * parser.c (cp_parser_lambda_introducer): Reject any capture not
4295 involving a VAR_DECL or a PARM_DECL.
4297 2018-03-05 Pádraig Brady <P@draigBrady.com>
4298 Jason Merrill <jason@redhat.com>
4299 Nathan Sidwell <nathan@acm.org>
4302 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
4304 2018-03-03 Jason Merrill <jason@redhat.com>
4306 PR c++/84686 - missing volatile loads.
4307 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
4309 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
4312 * optimize.c (maybe_thunk_body): Bail out immediately if either
4313 fns[0] or fns[1] is null.
4315 2018-03-02 Marek Polacek <polacek@redhat.com>
4318 * constexpr.c (get_array_or_vector_nelts): New.
4319 (cxx_eval_array_reference): Use it.
4320 (cxx_eval_vec_init_1): Likewise.
4321 (cxx_eval_store_expression): Likewise.
4323 2018-03-02 Jason Merrill <jason@redhat.com>
4325 * semantics.c (force_paren_expr): Remove redundant test.
4327 2018-03-02 Marek Polacek <polacek@redhat.com>
4330 * decl.c (cp_complete_array_type): Check error_mark_node.
4333 * typeck.c (cp_perform_integral_promotions): Check the result of
4336 2018-03-02 Jakub Jelinek <jakub@redhat.com>
4339 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
4340 RETURN instead of return.
4341 <case POINTER_PLUS_EXPR>: Likewise.
4342 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
4343 it instead of wrapping it into CONVERT_EXPR.
4345 2018-03-02 Jason Merrill <jason@redhat.com>
4348 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
4350 2018-03-02 Marek Polacek <polacek@redhat.com>
4353 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
4354 wrapped in VIEW_CONVERT_EXPR.
4356 2018-03-01 Martin Sebor <msebor@redhat.com>
4359 * decl.c (check_redeclaration_no_default_args): Merge attributes
4360 specified on redeclarations of the same function template.
4363 2018-03-01 Marek Polacek <polacek@redhat.com>
4364 Jason Merrill <jason@redhat.com>
4367 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
4369 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
4370 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
4371 of instantiate_non_dependent_expr.
4372 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
4374 2018-03-01 Nathan Sidwell <nathan@acm.org>
4377 * name-lookup.c (member_vec_dedup): Remove manually peeled
4378 iteration. Ignore dependent ctor inheritance.
4380 2018-03-01 Jason Merrill <jason@redhat.com>
4382 PR c++/71569 - decltype of template.
4383 * parser.c (cp_parser_decltype_expr): Handle missing template args.
4385 2018-03-01 Marek Polacek <polacek@redhat.com>
4388 * constexpr.c (require_rvalue_constant_expression): New function.
4389 * cp-tree.h: Declare it.
4390 * semantics.c (finish_static_assert): Use it instead of
4391 require_potential_rvalue_constant_expression.
4393 2018-03-01 Jason Merrill <jason@redhat.com>
4394 Alexandre Oliva <aoliva@redhat.com>
4396 PR c++/71569 - ICE with redundant args on member variable template.
4397 * decl.c (start_decl): Handle partial specialization of member
4399 * pt.c (determine_specialization): Allow partial specialization
4400 of member variable template without specializing enclosing class.
4401 (process_partial_specialization): Improve error message.
4403 2018-02-28 Jason Merrill <jason@redhat.com>
4405 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
4406 * pt.c (determine_specialization): Check ref-qualifier.
4408 2018-02-28 Jakub Jelinek <jakub@redhat.com>
4411 * parser.c (cp_parser_attributes_opt): Formatting fix.
4412 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
4413 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
4415 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
4416 instead of tentative parse to peek over optional attribute tokens
4417 to check for CPP_COLON after them.
4421 * pt.c (INCLUDE_STRING): Remove define.
4422 (warn_spec_missing_attributes): Use pretty_printer instead of
4423 std::string. Fix up inform call so that the list of attributes
4426 2018-02-28 Martin Sebor <msebor@redhat.com>
4429 * decl.c (duplicate_decls): Fully merge attributes const, pure,
4432 2018-02-28 Nathan Sidwell <nathan@acm.org>
4435 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
4436 * name-lookup.c (fields_linear_search): Look in an anon-aggr
4437 regardless of want_type.
4438 (search_anon_aggr): Just use get_class_binding_direct.
4440 2018-02-28 Jakub Jelinek <jakub@redhat.com>
4442 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
4445 2018-02-27 Martin Sebor <msebor@redhat.com>
4447 * pt.c: Avoid including <string> directly.
4449 2018-02-27 Martin Sebor <msebor@redhat.com>
4453 * cp-tree.h (warn_spec_missing_attributes): New function.
4454 ((check_explicit_specialization): Add an argument. Call the above
4456 * decl.c (duplicate_decls): Avoid applying primary function template's
4457 attributes to its explicit specializations.
4458 cp/pt.c (warn_spec_missing_attributes): Define.
4460 2018-02-27 HÃ¥kon Sandsmark <hsandsmark@gmail.com>
4462 PR c++/71546 - lambda init-capture with qualified-id.
4463 * parser.c (cp_parser_lambda_introducer): Clear scope after
4464 each lambda capture.
4466 2018-02-27 Nathan Sidwell <nathan@acm.org>
4469 * name-lookup.h (get_member_slot): Rename ...
4470 (find_member_slot): ... here.
4471 (add_member_slot): New.
4472 * name-lookup.c (member_vec_linear_search): No need to check for
4474 (get_member_slot): Rename ...
4475 (find_member_slot): ... here. Don't add slot for incomplete class.
4476 (add_member_slot): New.
4477 * class.c (add_method): Adjust get_member_slot rename. Bail out
4478 if push_class_level_binding fails. Create slot and grok
4479 properties once we're committed to insertion.
4481 2018-02-27 Jason Merrill <jason@redhat.com>
4483 PR c++/84489 - dependent default template argument
4484 * pt.c (type_unification_real): Handle early substitution failure.
4486 2018-02-26 Jason Merrill <jason@redhat.com>
4488 PR c++/84560 - ICE capturing multi-dimensional VLA.
4489 * tree.c (array_of_runtime_bound_p): False if the element is
4492 PR c++/84441 - ICE with base initialized from ?:
4493 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
4495 PR c++/84520 - ICE with generic lambda in NSDMI.
4496 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
4497 'this' in a generic lambda instantiation.
4499 PR c++/84559 - ICE with constexpr VLA.
4500 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
4501 for constexpr variable with VLA type.
4503 2018-02-26 Jakub Jelinek <jakub@redhat.com>
4506 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
4507 a valid constant initializer. Formatting fixes.
4509 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
4512 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
4513 returning NULL_TREE.
4514 (apply_late_template_attributes): Likewise.
4516 2018-02-26 Jakub Jelinek <jakub@redhat.com>
4519 * parser.c (cp_parser_omp_var_list_no_open): Only call
4520 cp_parser_lookup_name_simple on names satisfying identifier_p.
4521 (cp_parser_oacc_routine): Likewise.
4523 2018-02-26 Jason Merrill <jason@redhat.com>
4525 PR c++/84551 - ICE with concepts and -g.
4526 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
4528 2018-02-26 Marek Polacek <polacek@redhat.com>
4531 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
4534 2018-02-26 Jason Merrill <jason@redhat.com>
4536 PR c++/84447 - ICE with deleted inherited ctor with default arg.
4537 * call.c (build_over_call): Handle deleted functions in one place.
4539 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
4542 * decl.c (redeclaration_error_message): Don't try to use
4543 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
4545 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
4547 * lambda.c (build_capture_proxy): Define static.
4548 * cp-tree.h (build_capture_proxy): Remove.
4550 2018-02-26 Marek Polacek <polacek@redhat.com>
4553 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
4554 if name is error node.
4556 2018-02-25 Jason Merrill <jason@redhat.com>
4558 PR c++/84015 - ICE with class deduction and auto template parm.
4559 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
4561 2018-02-24 Marek Polacek <polacek@redhat.com>
4564 * constexpr.c (maybe_constant_init_1): New function.
4565 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
4566 (cxx_constant_init): New function.
4567 * cp-tree.h (cxx_constant_init): Declare.
4568 * typeck2.c (store_init_value): Call cxx_constant_init instead of
4569 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
4571 2018-02-22 Jason Merrill <jason@redhat.com>
4573 PR c++/70468 - ICE with constructor delegation via typedef.
4574 * pt.c (tsubst_initializer_list): Check for other mem-initializers
4575 with constructor delegation.
4577 2018-02-22 Jason Merrill <jason@redhat.com>
4579 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
4580 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
4583 2018-02-22 Marek Polacek <polacek@redhat.com>
4586 * parser.c (cp_parser_braced_list): Use require_open instead of
4589 2018-02-21 Jason Merrill <jason@redhat.com>
4591 PR c++/84454 - ICE with pack expansion in signature.
4592 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
4594 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
4596 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
4599 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
4602 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
4605 2018-02-20 Jakub Jelinek <jakub@redhat.com>
4608 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
4609 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
4612 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
4613 returns error_mark_node, return it immediately.
4614 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
4615 error_mark_node, return error_mark_node.
4618 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
4619 function_depth to avoid GC during finish_lambda_function.
4621 2018-02-19 Jason Merrill <jason@redhat.com>
4623 PR c++/84429 - ICE capturing VLA.
4624 * lambda.c (build_capture_proxy): Handle reference refs.
4626 2018-02-19 Jakub Jelinek <jakub@redhat.com>
4629 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
4630 either operand is error_mark_node, set current.lhs to that instead of
4631 creating a binary op with error_mark_node operands.
4634 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
4636 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
4639 * decl.c (grokdeclarator): Early return error_mark_node upon
4640 ill-formed friend declaration.
4642 2018-02-16 Marek Polacek <polacek@redhat.com>
4643 Jakub Jelinek <jakub@redhat.com>
4646 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
4647 set *jump_target to anything if jump_target is NULL.
4649 2018-02-16 Jason Merrill <jason@redhat.com>
4651 PR c++/84151 - unnecessary volatile load with static member.
4652 * call.c (build_new_method_call_1): Avoid loading from a volatile
4653 lvalue used as the object argument for a static member function.
4655 PR c++/81853 - using-directive and constexpr.
4656 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
4658 PR c++/84420 - ICE with structured binding in lambda.
4659 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
4661 PR c++/83835 - C++17 error with constructor ctors.
4662 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
4664 PR c++/82664 - ICE with reference to function template parm.
4665 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
4668 PR c++/82764 - C++17 ICE with empty base
4669 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
4671 2018-02-16 Jason Merrill <jason@redhat.com>
4673 PR c++/84421 - type-dependent if constexpr
4674 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
4676 2018-02-16 Nathan Sidwell <nathan@acm.org>
4678 Deprecate -ffriend-injection.
4679 * decl.c (cxx_init_decl_processing): Emit warning on option.
4680 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
4683 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
4686 * decl.c (check_special_function_return_type): Reject template
4687 template parameter in deduction guide.
4689 2018-02-16 Nathan Sidwell <nathan@acm.org>
4692 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
4694 2018-02-15 Jason Merrill <jason@redhat.com>
4696 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
4697 * call.c (convert_like_real): Don't use the copy-list-initialization
4698 shortcut for ck_base.
4700 PR c++/84045 - ICE with typedef and noexcept.
4701 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
4703 PR c++/84376 - ICE with omitted template arguments.
4704 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
4706 PR c++/84368 - wrong error with local variable in variadic lambda.
4707 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
4708 local_specializations.
4710 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
4713 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
4716 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
4719 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
4722 2018-02-14 Nathan Sidwell <nathan@acm.org>
4724 * decl2.c (mark_vtable_entries): Set input_location to decl's.
4725 (c_parse_final_cleanups): Restore input_location after emitting
4728 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
4730 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
4731 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
4732 auto_deduction_context, tree, int): Add defaults.
4733 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
4734 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
4735 tsubst_flags_t argument.
4736 * init.c (build_new): Likewise.
4738 2018-02-13 Jakub Jelinek <jakub@redhat.com>
4741 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
4742 about return other than *this in assignment operators if
4743 retval is type dependent expression.
4745 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
4748 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
4749 save_expr for the G++ extension.
4751 2018-02-13 Jason Merrill <jason@redhat.com>
4753 PR c++/84080 - ICE with return type deduction and specialization.
4754 * pt.c (determine_specialization): Check uses_template_parms.
4756 Fix more variadic capture issues.
4757 * pt.c (find_parameter_packs_r): Also look at explicit captures.
4758 (check_for_bare_parameter_packs): Check current_class_type for
4760 (extract_locals_r): Handle seeing a full instantiation of a pack.
4761 (tsubst_pack_expansion): Likewise. Force lambda capture.
4762 * parser.c (cp_parser_lambda_introducer): Don't
4763 check_for_bare_parameter_packs.
4765 PR c++/84338 - wrong variadic sizeof.
4766 * pt.c (argument_pack_select_arg): Like the macro, but look through
4768 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
4769 (extract_fnparm_pack): Do make_pack_expansion.
4770 (extract_locals_r): Do strip a pack expansion.
4771 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
4773 2018-02-12 Jakub Jelinek <jakub@redhat.com>
4776 * parser.c (cp_parser_binary_expression): Use build_min instead of
4777 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
4779 2018-02-12 Nathan Sidwell <nathan@acm.org>
4782 * parser.c (cp_parser_decltype): Push and pop
4783 deferring_access_checks. Reorganize to avoid goto.
4785 2018-02-12 Richard Biener <rguenther@suse.de>
4788 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
4789 uniform constructors and delay allocating them fully.
4791 2018-02-09 Jason Merrill <jason@redhat.com>
4793 PR c++/84036 - ICE with variadic capture.
4794 Handle variadic capture proxies more like non-variadic.
4795 * lambda.c (build_capture_proxy): Remove workaround.
4796 * pt.c (find_parameter_packs_r): The proxy is a pack.
4797 (instantiate_class_template_1): Remove dead lambda code.
4798 (extract_fnparm_pack): Don't make_pack_expansion.
4799 (extract_locals_r): Don't strip a pack expansion.
4800 (tsubst_pack_expansion): Handle proxy packs. Use
4801 PACK_EXPANSION_EXTRA_ARGS less.
4802 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
4803 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
4804 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
4805 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
4806 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
4808 2018-02-10 Jakub Jelinek <jakub@redhat.com>
4811 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
4813 2018-02-09 Jason Merrill <jason@redhat.com>
4815 PR c++/81917 - ICE with void_t and partial specialization.
4816 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
4817 calling most_specialized_partial_spec.
4819 2018-02-09 Nathan Sidwell <nathan@acm.org>
4822 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
4823 Pass expr location to strict_aliasing_warning.
4825 2018-02-09 Jason Merrill <jason@redhat.com>
4827 PR c++/84296 - ICE with qualified-id in template.
4829 * pt.c (unknown_base_ref_p): New.
4830 (instantiation_dependent_scope_ref_p): Use it instead of
4831 any_dependent_bases_p.
4833 2018-02-09 Marek Polacek <polacek@redhat.com>
4834 Jakub Jelinek <jakub@redhat.com>
4837 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
4838 fold_indirect_ref_1, including poly_*int64. Verify first that
4839 tree_fits_poly_int64_p (op01). Formatting fixes.
4841 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
4843 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
4844 * lambda.c (build_capture_proxy): Likewise.
4845 * search.c (field_access_p): Likewise.
4846 * semantics.c (omp_clause_decl, omp_privatize_field,
4847 finish_omp_clauses): Likewise.
4849 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
4852 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
4853 case of nullptr too.
4855 2018-02-08 Nathan Sidwell <nathan@acm.org>
4857 * class.c (finish_struct): Fix std:initializer_list diagnostic
4860 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
4863 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
4865 2018-02-07 Jakub Jelinek <jakub@redhat.com>
4868 * parser.c (cp_parser_dot_deref_incomplete): New function.
4869 (cp_parser_postfix_dot_deref_expression): Use it.
4871 2018-02-07 David Malcolm <dmalcolm@redhat.com>
4875 * name-lookup.c (suggest_rid_p): New function.
4876 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
4879 2018-02-07 Jason Merrill <jason@redhat.com>
4881 PR c++/84182 - ICE with captured lambda
4883 * pt.c (extract_locals_r, extract_local_specs): New.
4884 (tsubst_pack_expansion): Use them.
4886 2018-02-07 Martin Liska <mliska@suse.cz>
4889 * class.c (add_method): Append argument value.
4890 * cp-tree.h (maybe_version_functions): Add new argument.
4891 * decl.c (decls_match): Call it if a declaration does not
4892 have DECL_FUNCTION_VERSIONED.
4893 (maybe_version_functions): record argument is added.
4895 2018-02-05 Marek Polacek <polacek@redhat.com>
4897 * class.c: Remove unused global variables.
4898 (build_primary_vtable): Don't gather statistics.
4899 (print_class_statistics): Remove.
4900 * cp-tree.h (print_class_statistics): Remove.
4901 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
4903 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
4905 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
4906 * constexpr.c (cx_check_missing_mem_inits): Likewise.
4907 * decl.c (next_initializable_field, find_decomp_class_base,
4908 cp_finish_decomp): Likewise.
4909 * typeck2.c (process_init_constructor_record): Likewise.
4911 2018-02-02 Jason Merrill <jason@redhat.com>
4913 PR c++/84181 - ICE with lambda parm in template argument.
4914 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
4916 2018-02-01 Jason Merrill <jason@redhat.com>
4918 PR c++/84160 - ICE with nested variadic capture.
4919 * lambda.c (is_capture_proxy_with_ref): New.
4920 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
4922 * expr.c (mark_use): Use is_capture_proxy_with_ref.
4923 * constexpr.c (potential_constant_expression_1): Likewise.
4924 * semantics.c (process_outer_var_ref): Likewise.
4926 2018-02-01 Marek Polacek <polacek@redhat.com>
4929 * typeck.c (build_address): Relax the assert when
4930 processing_template_decl.
4932 2018-02-01 Jason Merrill <jason@redhat.com>
4934 PR c++/84126 - ICE with variadic generic lambda
4937 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
4938 PACK_EXPANSION_EXTRA_ARGS.
4940 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
4943 * call.c (convert_like_real): If w're initializing from {} explicitly
4944 call abstract_virtuals_error_sfinae.
4946 2018-01-31 Jason Merrill <jason@redhat.com>
4947 Jakub Jelinek <jakub@redhat.com>
4950 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
4951 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
4954 2018-01-31 Jakub Jelinek <jakub@redhat.com>
4957 * constexpr.c (diag_array_subscript): Emit different diagnostics
4958 if TYPE_DOMAIN (arraytype) is NULL.
4959 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
4960 with NULL TYPE_DOMAIN use size_zero_node as nelts.
4962 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
4965 * semantics.c (finish_qualified_id_expr): When handling an
4966 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
4968 2018-01-31 Marek Polacek <polacek@redhat.com>
4971 * cp-gimplify.c (cp_fold): Check if X is an error node before
4972 calling useless_type_conversion_p.
4974 2018-01-30 Jason Merrill <jason@redhat.com>
4976 PR c++/84091 - ICE with local class in lambda in template.
4977 * decl2.c (determine_visibility): Look for outer containing template
4980 PR c++/84098 - ICE with lambda in template NSDMI.
4981 * pt.c (instantiate_class_template_1): Ignore more lambdas.
4983 2018-01-29 Jason Merrill <jason@redhat.com>
4985 PR c++/68810 - wrong location for reinterpret_cast error.
4986 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
4989 2018-01-29 Marek Polacek <polacek@redhat.com>
4992 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
4993 => fooarray[1] in offset_int.
4995 2018-01-29 Jason Merrill <jason@redhat.com>
4997 PR c++/83942 - wrong unused warning with static_cast.
4998 * cvt.c (ocp_convert): Call mark_rvalue_use.
5000 2018-01-26 Jason Merrill <jason@redhat.com>
5002 PR c++/83956 - wrong dtor error with anonymous union
5003 * method.c (walk_field_subobs): Variant members only affect
5005 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
5007 PR c++/84036 - ICE with variadic capture.
5009 * pt.c (tsubst_pack_expansion): When optimizing a simple
5010 substitution, pull a single pack expansion out of its pack.
5012 PR c++/82514 - ICE with local class in generic lambda.
5013 * pt.c (regenerated_lambda_fn_p): Remove.
5014 (enclosing_instantiation_of): Don't use it.
5015 (tsubst_function_decl): Call enclosing_instantiation_of.
5017 * pt.c (lookup_template_class_1): Add sanity check.
5018 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
5020 2018-01-25 Jakub Jelinek <jakub@redhat.com>
5023 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
5024 recursive calls that return ret.
5025 (cp_finish_decomp): Ignore unnamed bitfields.
5027 2018-01-23 Jason Merrill <jason@redhat.com>
5029 PR c++/82249 - wrong mismatched pack length error.
5030 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
5031 unsubstituted function parameter pack.
5033 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
5036 * decl.c (check_for_uninitialized_const_var): Not static; add
5037 bool and tsubst_flags_t parameters; adjust to be used both in
5038 constexpr context and not.
5039 * constexpr.c (potential_constant_expression_1): Use the above.
5040 * cp-tree.h (check_for_uninitialized_const_var): Declare.
5042 2018-01-23 Jason Merrill <jason@redhat.com>
5044 PR c++/83947 - ICE with auto declarations.
5045 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
5046 * decl.c (undeduced_auto_decl): Limit to vars and fns.
5048 2018-01-23 David Malcolm <dmalcolm@redhat.com>
5051 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
5052 for pointer to member function types.
5054 2018-01-23 Jakub Jelinek <jakub@redhat.com>
5057 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
5058 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
5060 2018-01-23 Nathan Sidwell <nathan@acm.org>
5063 * pt.c (tsubst_baselink): Remove optype assert.
5064 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
5066 2018-01-23 Jakub Jelinek <jakub@redhat.com>
5069 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
5070 refers to incomplete type.
5072 2018-01-23 Nathan Sidwell <nathan@acm.org>
5074 Deprecate ARM-era for scope handling
5075 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
5076 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
5078 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
5080 * semantics.c (begin_for_scope): Flag_new_for_scope is
5082 (finish_for_stmt, begin_range_for_stmt): Likewise.
5084 2018-01-22 Jason Merrill <jason@redhat.com>
5087 * decl2.c (determine_visibility): Fix template_decl handling
5088 instead of blocking it.
5090 PR c++/83720 - ICE with lambda and LTO.
5091 * decl2.c (determine_visibility): Clear template_decl for
5092 function-scope decls. Propagate anonymous linkage from containing
5095 2018-01-22 Marek Polacek <polacek@redhat.com>
5098 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
5101 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
5104 * decl.c (grokdeclarator): Don't diagnose extra parens
5107 2018-01-19 Jakub Jelinek <jakub@redhat.com>
5110 * call.c (joust): Use TREE_TYPE (source) if source is
5111 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
5114 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
5115 for direct enum init.
5116 * decl.c (reshape_init): Likewise.
5118 2018-01-19 Marek Polacek <polacek@redhat.com>
5120 * constexpr.c (fold_simple): Simplify.
5122 2018-01-18 Jason Merrill <jason@redhat.com>
5125 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
5126 * pt.c (instantiation_dependent_scope_ref_p): True if
5127 any_dependent_bases_p.
5129 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
5131 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
5132 vs DECL_NONTRIVIALLY_INITIALIZED_P).
5134 2018-01-18 Jason Merrill <jason@redhat.com>
5136 PR c++/82461 - constexpr list-initialized member
5137 * constexpr.c (potential_constant_expression_1): Check
5138 TARGET_EXPR_DIRECT_INIT_P.
5140 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
5143 * decl.c (xref_basetypes): Early return upon error about derived
5146 2018-01-18 Nathan Sidwell <nathan@acm.org>
5149 * cp-tree.h (mark_use): Declare.
5150 * expr.c (mark_use): Make extern.
5151 * call.c (direct_reference_binding): Set inner conv's
5152 rvaluedness_matches_p, if it is an identity.
5153 (convert_like_real): Mark lvalue or rvalue use for identity as
5154 rvaledness_matches_p demands.
5156 2018-01-18 Jakub Jelinek <jakub@redhat.com>
5159 * parser.c (attr_chainon): New function.
5160 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
5161 cp_parser_namespace_definition, cp_parser_init_declarator,
5162 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
5163 cp_parser_gnu_attributes_opt): Use it.
5164 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
5165 cp_parser_objc_struct_declaration): Likewise. Don't reset
5166 prefix_attributes if attributes is error_mark_node.
5168 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
5171 * decl.c (grokdeclarator): Do not append the error_mark_node
5172 due to an erroneous optional attribute-specifier-seq.
5174 2018-01-17 Jakub Jelinek <jakub@redhat.com>
5177 * cp-gimplify.c (cp_maybe_instrument_return): Handle
5180 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
5183 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
5184 error_mark_node when we give an error.
5185 * decl.c (cp_finish_decl): Use the latter.
5187 2018-01-17 Nathan Sidwell <nathan@acm.org>
5190 * init.c (build_raw_new_expr): Scan list for lookups to keep.
5192 2018-01-17 David Malcolm <dmalcolm@redhat.com>
5195 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
5196 the C++ part. If processing a template, call
5197 fold_non_dependent_expr rather than fully folding.
5199 2018-01-17 Jason Merrill <jason@redhat.com>
5201 PR c++/81067 - redundant NULL warning.
5202 * call.c (convert_like_real): Restore null_node handling.
5204 2018-01-17 Jason Merrill <jason@redhat.com>
5206 PR c++/81843 - ICE with variadic member template.
5208 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
5211 2018-01-17 David Malcolm <dmalcolm@redhat.com>
5214 * pt.c (type_dependent_expression_p): Strip any location wrapper
5215 before testing tree codes.
5216 (selftest::test_type_dependent_expression_p): New function.
5217 (selftest::cp_pt_c_tests): Call it.
5219 2018-01-17 Nathan Sidwell <nathan@acm.org>
5222 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
5223 this not a final instantiation.
5225 2018-01-16 Jason Merrill <jason@redhat.com>
5227 PR c++/83714 - ICE checking return in template.
5228 * typeck.c (check_return_expr): Call build_non_dependent_expr.
5230 2018-01-16 Jakub Jelinek <jakub@redhat.com>
5233 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
5234 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
5235 instead of CALL_FROM_THUNK_P.
5238 * name-lookup.c (member_vec_dedup): Return early if len is 0.
5239 (resort_type_member_vec, set_class_bindings,
5240 insert_late_enum_def_bindings): Use vec qsort method instead of
5241 calling qsort directly.
5243 2018-01-15 Martin Sebor <msebor@redhat.com>
5246 * class.c (find_flexarrays): Make a record of multiple flexible array
5249 2018-01-12 Jason Merrill <jason@redhat.com>
5251 PR c++/83186 - ICE with static_cast of list-initialized temporary.
5252 * typeck.c (build_static_cast): Use build_non_dependent_expr.
5254 2018-01-12 Nathan Sidwell <nathan@acm.org>
5256 * cp-tree.h (mark_rvalue_use): Add parm name.
5257 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
5259 * call.c (convert_like_real): Fix formatting.
5261 2018-01-11 Jason Merrill <jason@redhat.com>
5263 PR c++/82728 - wrong -Wunused-but-set-variable
5266 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
5267 * decl.c (case_conversion): Likewise.
5268 * semantics.c (finish_static_assert): Call
5269 perform_implicit_conversion_flags.
5271 2018-01-11 Nathan Sidwell <nathan@acm.org>
5273 * method.c (enum mangling_flags): Delete long-dead enum.
5275 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
5277 * parser.c (cp_parser_std_attribute_spec): When
5278 token_pair::require_open / require_close return false simply
5279 return error_mark_node, avoid duplicate cp_parser_error about
5280 expected '(' / ')', respectively.
5282 2018-01-10 David Malcolm <dmalcolm@redhat.com>
5285 * call.c (null_ptr_cst_p): Strip location wrappers when
5286 converting from '0' to a pointer type in C++11 onwards.
5287 (conversion_null_warnings): Replace comparison with null_node with
5288 call to null_node_p.
5289 (build_over_call): Likewise.
5290 * cp-gimplify.c (cp_fold): Remove the early bailout when
5291 processing_template_decl.
5292 * cp-lang.c (selftest::run_cp_tests): Call
5293 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
5294 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
5295 (selftest::run_cp_tests): Move decl to bottom of file.
5296 (null_node_p): New inline function.
5297 (selftest::cp_pt_c_tests): New decl.
5298 (selftest::cp_tree_c_tests): New decl.
5299 * cvt.c (build_expr_type_conversion): Replace comparison with
5300 null_node with call to null_node_p.
5301 * error.c (args_to_string): Likewise.
5302 * except.c (build_throw): Likewise.
5303 * mangle.c (write_expression): Skip location wrapper nodes.
5304 * parser.c (literal_integer_zerop): New function.
5305 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
5306 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
5307 param of cp_parser_parenthesized_expression_list. When calling
5308 warn_for_memset, replace integer_zerop calls with
5309 literal_integer_zerop, eliminating the double logical negation
5310 cast to bool. Eliminate the special-casing for CONST_DECL in
5311 favor of the fold_for_warn within warn_for_memset.
5312 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
5313 param, defaulting to false. Convert "expr" to a cp_expr, and call
5314 maybe_add_location_wrapper on it when wrap_locations_p is true.
5315 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
5316 the result for RID_ALIGNOF and RID_SIZEOF.
5317 (cp_parser_builtin_offsetof): Likewise.
5318 * pt.c: Include "selftest.h".
5319 (tsubst_copy): Handle location wrappers.
5320 (tsubst_copy_and_build): Likewise.
5321 (build_non_dependent_expr): Likewise.
5322 (selftest::test_build_non_dependent_expr): New function.
5323 (selftest::cp_pt_c_tests): New function.
5324 * tree.c: Include "selftest.h".
5325 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
5326 (selftest::test_lvalue_kind): New function.
5327 (selftest::cp_tree_c_tests): New function.
5328 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
5329 (cp_build_binary_op): Replace comparison with null_node with call
5331 (build_address): Use location of operand when building address
5334 2018-01-10 Marek Polacek <polacek@redhat.com>
5337 * call.c (build_conditional_expr_1): Check complain before warning.
5338 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
5339 -Wduplicated-branches.
5341 2018-01-10 Jakub Jelinek <jakub@redhat.com>
5344 * call.c (maybe_warn_class_memaccess): Add forward declaration.
5345 Change last argument from tree * to const vec<tree, va_gc> *, adjust
5346 args uses and check number of operands too. Don't strip away any
5347 nops. Use maybe_constant_value when looking for INTEGER_CST args.
5348 Deal with src argument not having pointer type. Check
5349 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
5351 (build_over_call): Call maybe_warn_class_memaccess here on the
5353 (build_cxx_call): Rather than here on converted arguments.
5355 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
5358 * init.c (build_vec_init): Avoid building an INIT_EXPR with
5359 error_mark_node as second argument.
5361 2018-01-09 Jakub Jelinek <jakub@redhat.com>
5364 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
5365 in STATEMENT_LIST. Remove unneeded assert.
5367 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
5368 Alan Hayward <alan.hayward@arm.com>
5369 David Sherwood <david.sherwood@arm.com>
5371 * constexpr.c (cxx_eval_array_reference): Handle polynomial
5373 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
5374 * call.c (build_conditional_expr_1): Likewise.
5375 * decl.c (cp_finish_decomp): Likewise.
5376 * mangle.c (write_type): Likewise.
5377 * typeck.c (structural_comptypes): Likewise.
5378 (cp_build_binary_op): Likewise.
5379 * typeck2.c (process_init_constructor_array): Likewise.
5381 2018-01-03 Jakub Jelinek <jakub@redhat.com>
5384 * typeck.c (build_static_cast_1): For static casts to reference types,
5385 call build_base_path with flag_delete_null_pointer_checks as nonnull
5386 instead of always false. When -fsanitize=null, call
5387 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
5388 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
5389 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
5391 2018-01-03 Nathan Sidwell <nathan@acm.org>
5394 * method.c (make_alias_for): Copy DECL_CONTEXT.
5396 2018-01-03 Marek Polacek <polacek@redhat.com>
5399 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
5401 2018-01-03 Jakub Jelinek <jakub@redhat.com>
5403 PR preprocessor/83602
5404 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
5408 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
5409 error_mark_node, return error_mark_node.
5411 Update copyright years.
5413 2018-01-02 Jakub Jelinek <jakub@redhat.com>
5416 * tree.c (replace_placeholders_r): Pass NULL as last argument to
5417 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
5418 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
5419 to false and return.
5420 (replace_placeholders): Pass NULL instead of &pset as last argument
5423 2018-01-02 Nathan Sidwell <nathan@acm.org>
5425 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
5428 Copyright (C) 2018 Free Software Foundation, Inc.
5430 Copying and distribution of this file, with or without modification,
5431 are permitted in any medium without royalty provided the copyright
5432 notice and this notice are preserved.