Daily bump.
[platform/upstream/gcc.git] / gcc / d / ChangeLog
index 9550a6d..7f1f510 100644 (file)
-2020-04-29  Iain Buclaw  <ibuclaw@gdcproject.org>
-
-       * d-codegen.cc (d_decl_context): Don't include module in the name of
-       class and struct types that aren't extern(D).
-
-2020-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
-
-       PR d/94777
-       * d-builtins.cc (build_frontend_type): Set parent for generated
-       fields of built-in types.
-       * d-codegen.cc (argument_reference_p): Rename to ...
-       (parameter_reference_p): ... this.
-       (type_passed_as): Rename to ...
-       (parameter_type): ... this.  Make TREE_ADDRESSABLE types restrict.
-       (d_build_call): Move handling of non-POD types here from ...
-       * d-convert.cc (convert_for_argument): ... here.
-       * d-tree.h (argument_reference_p): Rename declaration to ...
-       (parameter_reference_p): ... this.
-       (type_passed_as): Rename declaration to ...
-       (parameter_type): ... this.
-       * types.cc (TypeVisitor::visit (TypeFunction *)): Update caller.
-
-2020-04-26  Iain Buclaw  <ibuclaw@gdcproject.org>
-
-       * decl.cc (get_symbol_decl): Set DECL_DECLARED_INLINE_P or
-       DECL_UNINLINABLE for declarations with pragma(inline).
-       * toir.cc (IRVisitor::visit (GccAsmStatement *)): Set ASM_INLINE_P if
-       in function decorated with pragma(inline).
-
-2020-04-25  Iain Buclaw  <ibuclaw@gdcproject.org>
-
-       * intrinsics.cc (expand_intrinsic_toprec): New function.
-       (maybe_expand_intrinsic): Handle toPrec intrinsics.
-       * intrinsics.def (TOPRECF, TOPREC, TOPRECL): Add toPrec intrinsics.
-
-2020-04-24  Iain Buclaw  <ibuclaw@gdcproject.org>
-
-       * d-spec.cc (need_phobos): Remove.
-       (lang_specific_driver): Replace need_phobos with phobos_library.
-       Reorder -debuglib and -defaultlib to have precedence over libphobos.
-       (lang_specific_pre_link): Remove test for need_phobos.
-
-2020-04-19  Iain Buclaw  <ibuclaw@gdcproject.org>
-
-       PR d/94609
-       * d-codegen.cc (argument_reference_p): Don't check TREE_ADDRESSABLE.
-       (type_passed_as): Build reference type if TREE_ADDRESSABLE.
-       * d-convert.cc (convert_for_argument): Build explicit TARGET_EXPR if
-       needed for arguments passed by invisible reference.
-       * types.cc (TypeVisitor::visit (TypeStruct *)): Mark all structs that
-       are not POD as TREE_ADDRESSABLE.
-
-2020-04-13  Iain Buclaw  <ibuclaw@gdcproject.org>
-
-       * Make-lang.in (D_FRONTEND_OBJS): Remove d/argtypes.o.
-       * d-target.cc (Target::toArgTypes): New function.
-
-2020-04-10  Iain Buclaw  <ibuclaw@gdcproject.org>
-
-       * d-spec.cc (LIBDRUNTIME): Remove.
-       (LIBDRUNTIME_PROFILE): Remove.
-       (lang_specific_driver): Don't link in libgdruntime.
-
-2020-04-07  Iain Buclaw  <ibuclaw@gdcproject.org>
-
-       PR d/94425
-       * toir.cc (IRVisitor::visit (GccAsmStatement *)): Set ASM_VOLATILE_P
-       on all asm statements.
-
-2020-04-01  Iain Buclaw  <ibuclaw@gdcproject.org>
-
-       PR d/90136
-       * d-attribs.cc: Include dmd/attrib.h.
-       (build_attributes): Redeclare as static.
-       (apply_user_attributes): New function.
-       * d-tree.h (class UserAttributeDeclaration): Remove.
-       (build_attributes): Remove.
-       (apply_user_attributes): Declare.
-       (finish_aggregate_type): Remove attrs argument.
-       * decl.cc (get_symbol_decl): Merge declaration prototypes with
-       definitions.  Use apply_user_attributes.
-       * modules.cc (layout_moduleinfo_fields): Remove last argument to
-       finish_aggregate_type.
-       * typeinfo.cc (layout_classinfo_interfaces): Likewise.
-       * types.cc (layout_aggregate_members): Likewise.
-       (finish_aggregate_type): Remove attrs argument.
-       (TypeVisitor::visit (TypeEnum *)): Use apply_user_attributes.
-       (TypeVisitor::visit (TypeStruct *)): Remove last argument to
-       finish_aggregate_type.  Use apply_user_attributes.
-       (TypeVisitor::visit (TypeClass *)): Likewise.
-
-2020-03-31  Iain Buclaw  <ibuclaw@gdcproject.org>
-
-       * d-attribs.cc (d_langhook_common_attribute_table): Add always_inline.
-       (handle_always_inline_attribute): New function.
-
-2020-03-31  Iain Buclaw  <ibuclaw@gdcproject.org>
-
-       PR d/94424
-       * d-codegen.cc (build_alignment_field): Remove.
-       (build_struct_literal): Don't insert alignment padding.
-       * expr.cc (ExprVisitor::visit (AssignExp *)): Call memset before
-       assigning struct literals.
-
-2020-03-31  Iain Buclaw  <ibuclaw@gdcproject.org>
+2021-10-05  Iain Sandoe  <iain@sandoe.co.uk>
 
-       * typeinfo.cc (TypeInfoVisitor::internal_reference): Call
-       d_comdat_linkage on generated decl.
+       * d-spec.cc (lang_specific_driver): Push the -static-libstdc++
+       option back onto the command line for targets without support
+       for -Bstatic/dynamic.
+
+2021-10-04  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       PR d/102574
+       * d-spec.cc (lang_specific_driver): Link libstdc++ statically if
+       -static-libstdc++ was given on command-line.
+
+2021-10-04  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * d-attribs.cc (d_handle_optimize_attribute): Save target node before
+       calling parse_optimize_options in case it changes.
+
+2021-09-12  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       PR d/102185
+       * d-builtins.cc (d_eval_constant_expression): Don't include
+       terminating null pointer in string expression conversion.
+
+2021-08-29  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * d-codegen.cc: Include dmd/module.h.
+       (build_filename_from_loc): New function.
+       (d_assert_call): Rename to...
+       (build_assert_call): ...this.
+       (build_array_bounds_call): Call arrayboundsp variant of the array
+       bounds failure callback.
+       (build_bounds_condition): Rename to...
+       (build_bounds_index_condition): ...this.  Update signature.
+       (build_bounds_slice_condition): New function.
+       (checkaction_trap_p): New function.
+       (d_assert_call): Call assertp variant of assert failure callback.
+       * d-tree.h (class IndexExp): Declare.
+       (class SliceExp): Declare.
+       (build_bounds_condition): Remove.
+       (build_assert_call): Declare.
+       (build_bounds_index_condition): Declare.
+       (build_bounds_slice_condition): Declare.
+       (checkaction_trap_p): Declare.
+       (d_assert_call): Remove.
+       * expr.cc (ExprVisitor::visit(IndexExp *)): Call
+       build_bounds_index_condition.
+       (ExprVisitor::visit(SliceExp *)): Call build_bounds_slice_condition.
+       (ExprVisitor::visit(AssertExp *)): Update setting of libcall.
+       * runtime.cc (enum d_libcall_type): Add LCT_IMMUTABLE_CHARPTR.
+       (get_libcall_type): Handle LCT_IMMUTABLE_CHARPTR.
+       * runtime.def (ASSERT): Rename to...
+       (ASSERTP): ...this.  Update signature.
+       (UNITTEST): Rename to...
+       (UNITTESTP): ...this.  Update signature.
+       (ARRAY_BOUNDS): Rename to...
+       (ARRAYBOUNDSP): ...this.  Updates signature.
+       * toir.cc (IRVisitor::visit(SwitchErrorStatement *)): Update call.
+
+2021-08-29  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * typeinfo.cc (class TypeInfoVisitor::layout_base): Update comment.
+
+2021-08-29  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * typeinfo.cc (TypeInfoVisitor::visit(TypeInfoClassDeclaration *)):
+       Use int to store type flags.
+       (TypeInfoVisitor::visit(TypeInfoStructDeclaration *)): Likewise.
+
+2021-08-29  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * types.cc (TypeVisitor::visit(TypeEnum*)): Get wchar_t type from
+       build_frontend_type.
+
+2021-08-29  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * d-convert.cc (convert_for_rvalue): Convert switch statement into if
+       condition.
+
+2021-08-29  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * d-builtins.cc (d_init_versions): Use POINTER_SIZE for testing
+       whether to predefine D_LP64.
+
+2021-08-29  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       PR d/102094
+       * d-codegen.cc (build_frame_type): Set TYPE_CXX_ODR_P.
+
+2021-08-25  Lewis Hyatt  <lhyatt@gmail.com>
+
+       PR other/93067
+       * d-lang.cc (d_input_charset_callback): New function.
+       (d_init): Call new function
+       diagnostic_initialize_input_context().
+
+2021-07-30  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * expr.cc (binary_op): Remove dead code.
+
+2021-07-30  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * typeinfo.cc (TypeInfoVisitor::visit (TypeInfoClassDeclaration *)):
+       Always layout initializer for the m_RTInfo field.
+
+2021-07-30  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * expr.cc (ExprVisitor::visit (AssertExp *)): Don't generate
+       PREDICT_EXPR.
+
+2021-07-30  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * expr.cc (ExprVisitor::visit (AssignExp *)): Clarify comment
+         for generating static array assignment with literal.
+
+2021-07-30  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * decl.cc (enum_initializer_decl): Only handle named enums.
+
+2021-07-30  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * decl.cc (make_thunk): Set COMDAT and visibility of thunks only if
+       they are public.
+
+2021-07-30  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * decl.cc (DeclVisitor::visit (StructDeclaration *)): Don't use sinit
+       for declaration directly.
+       (DeclVisitor::visit (ClassDeclaration *)): Likewise.
+       (aggregate_initializer_decl): Likewise.  Set sinit after creating.
+
+2021-07-30  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * d-builtins.cc (build_frontend_type): Use Identifier::idPool to
+       generate anonymous field name.
+
+2021-07-30  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * types.cc (layout_aggregate_type): Call hasMonitor.
+       * typeinfo.cc (TypeInfoVisitor::layout_base): Likewise.
+       (layout_cpp_typeinfo): Likewise.  Don't emit vtable unless
+       have_typeinfo_p.
 
-2020-03-22  Iain Buclaw  <ibuclaw@gdcproject.org>
+2021-07-30  Iain Buclaw  <ibuclaw@gdcproject.org>
 
-       PR d/93038
-       * d-lang.cc (deps_write): Generate phony targets for content imported
-       files.
+       * d-lang.cc (deps_add_target): Insert null terminator in buffer.
+       (deps_write): Likewise.
+       (d_parse_file): Likewise.
 
-2020-03-22  Iain Buclaw  <ibuclaw@gdcproject.org>
+2021-07-30  Iain Buclaw  <ibuclaw@gdcproject.org>
 
-       PR d/93038
-       * d-lang.cc (deps_write): Add content imported files to the make
-       dependency list.
+       * d-builtins.cc (build_frontend_type): Restore builtin_converted_decls
+       length on conversion failure.
 
-2020-03-21  Iain Buclaw  <ibuclaw@gdcproject.org>
+2021-07-30  Iain Buclaw  <ibuclaw@gdcproject.org>
 
-       PR d/94240
-       * typeinfo.cc (class TypeInfoVisitor): Replace type_ field with decl_.
-       (TypeInfoVisitor::TypeInfoVisitor): Set decl_.
-       (TypeInfoVisitor::result): Update.
-       (TypeInfoVisitor::internal_reference): New function.
-       (TypeInfoVisitor::layout_string): Use internal_reference.
-       (TypeInfoVisitor::visit (TypeInfoTupleDeclaration *)): Likewise.
-       (layout_typeinfo): Construct TypeInfoVisitor with typeinfo decl.
-       (layout_classinfo): Likewise.
+       * d-codegen.cc (d_nested_class): Rename to ...
+       (get_outer_function): ... this.  Handle all aggregate declarations.
+       (d_nested_struct): Remove.
+       (find_this_tree): Use get_outer_function.
+       (get_framedecl): Likewise.
 
-2020-03-20  Iain Buclaw  <ibuclaw@gdcproject.org>
+2021-07-29  Iain Buclaw  <ibuclaw@gdcproject.org>
 
-       PR lto/91027
-       * d-tree.h (struct GTY): Add daggregate field.
-       (IDENTIFIER_DAGGREGATE): Define.
-       (d_mangle_decl): Add declaration.
-       * decl.cc (mangle_decl): Remove static linkage, rename to...
-       (d_mangle_decl): ...this, update all callers.
-       * types.cc (merge_aggregate_types): New function.
-       (TypeVisitor::visit (TypeStruct *)): Call merge_aggregate_types, set
-       IDENTIFIER_DAGGREGATE and TYPE_CXX_ODR_P.
-       (TypeVisitor::visit (TypeClass *)): Likewise.
+       PR d/101672
+       * typeinfo.cc (make_frontend_typeinfo): Generate Object class if it
+       doesn't exist.
+       (check_typeinfo_type): Don't warn if there's no location.
 
-2020-03-18  Jakub Jelinek  <jakub@redhat.com>
+2021-07-29  Iain Buclaw  <ibuclaw@gdcproject.org>
 
-       * expr.cc (ExprVisitor::visit (CatAssignExp *)): Fix up duplicated
-       word issue in a comment.
-       * d-target.cc (Target::FPTypeProperties<T>::max): Likewise.
+       PR d/101664
+       * expr.cc (ExprVisitor::visit (CallExp *)): Use object expression as
+       result for C++ constructor calls.
 
-2020-03-16  Iain Buclaw  <ibuclaw@gdcproject.org>
+2021-07-29  Iain Buclaw  <ibuclaw@gdcproject.org>
 
-       PR d/92309
-       * types.cc (fixup_anonymous_offset): Don't set DECL_FIELD_OFFSET on
-       anonymous fields.
+       PR d/96435
+       * d-convert.cc (convert_for_rvalue): New function.
+       * d-tree.h (convert_for_rvalue): Declare.
+       * expr.cc (ExprVisitor::visit (CastExp *)): Use convert_for_rvalue.
+       (build_return_dtor): Likewise.
 
-2020-03-16  Iain Buclaw  <ibuclaw@gdcproject.org>
+2021-07-29  Iain Buclaw  <ibuclaw@gdcproject.org>
 
-       PR d/92216
-       * decl.cc (make_thunk): Don't set TREE_PUBLIC on thunks if the target
-       function is external to the current compilation.
+       PR d/101657
+       * d-lang.cc (d_parse_file): Remove generated D header files on error.
 
-2020-01-01  Jakub Jelinek  <jakub@redhat.com>
+2021-07-29  Iain Buclaw  <ibuclaw@gdcproject.org>
 
-       Update copyright years.
+       PR d/101656
+       * d-diagnostic.cc (escape_d_format): Don't escape quoted format
+       strings.
+
+2021-07-28  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       PR d/101640
+       * expr.cc (binary_op): Use build2 instead of fold_build2.
+
+2021-07-28  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       PR d/101490
+       * dmd/MERGE: Merge upstream dmd 27e388b4c.
+       * d-codegen.cc (build_array_index): Handle void arrays same as byte.
+       * d-convert.cc (convert_expr): Handle converting to zero-sized arrays.
+
+2021-07-28  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       PR d/101441
+       * dmd/MERGE: Merge upstream dmd f8c1ca928.
+
+2021-07-28  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       PR d/101127
+       * d-builtins.cc (d_builtin_function_ext_scope): New function.
+       * d-lang.cc (LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE): Define.
+       * d-tree.h (d_builtin_function_ext_scope): Declare.
+
+2021-07-28  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       PR d/101619
+       * dmd/MERGE: Merge upstream dmd 1d8386a63.
+
+2021-07-03  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       PR d/101273
+       * toir.cc (IRVisitor::visit (ReturnStatement *)): Detect returns that
+       use a temporary, and replace with return value.
+
+2021-07-02  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       PR d/101282
+       * d-codegen.cc (build_assign): Force target_expr on RHS for non-POD
+       assignment expressions.
+
+2021-06-11  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       PR d/100999
+       * dmd/MERGE: Merge upstream dmd 7a3808254.
+
+2021-06-10  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       PR d/100967
+       * d-frontend.cc (getTypeInfoType): Move TypeInfo checks to
+       check_typeinfo_type and call new function.
+       * d-tree.h (check_typeinfo_type): Declare.
+       * typeinfo.cc: Include dmd/scope.h.
+       (create_frontend_tinfo_types): Generate front-end types even if Object
+       is missing.
+       (build_typeinfo): Move TypeInfo checks to check_typeinfo_type and call
+       new function.
+       (check_typeinfo_type): New function.
+
+2021-06-09  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       PR d/100964
+       * dmd/MERGE: Merge upstream dmd 4a4e46a6f.
+
+2021-06-09  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       PR d/100935
+       * dmd/MERGE: Merge upstream dmd f3fdeb578.
+
+2021-06-04  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       PR d/100882
+       * d-codegen.cc (build_assign): Construct initializations inside
+       TARGET_EXPR_INITIAL.
+       (compound_expr): Remove intermediate expressions that have no
+       side-effects.
+       (return_expr): Construct returns inside TARGET_EXPR_INITIAL.
+       * expr.cc (ExprVisitor::visit (CallExp *)): Remove useless assignment
+       to TARGET_EXPR_SLOT.
+
+2021-05-18  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * d-incpath.cc (prefixed_path): Use filename_ncmp instead of strncmp.
+
+2021-05-18  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * types.cc (TypeVisitor::visit (TypeEnum *)): Use startswith function
+       instead of strncmp.
+
+2021-05-18  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * dmd/dinterpret.c (evaluateIfBuiltin): Revert last change.
+       * dmd/dmangle.c: Likewise.
+       * dmd/hdrgen.c: Likewise.
+       * dmd/identifier.c (Identifier::toHChars2): Likewise.
+
+2021-05-10  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * dmd/MERGE: Merge upstream dmd b7d146c4c.
+
+2021-05-10  Martin Liska  <mliska@suse.cz>
+
+       * d-builtins.cc (do_build_builtin_fn): Use startswith
+       function instead of strncmp.
+       * dmd/dinterpret.c (evaluateIfBuiltin): Likewise.
+       * dmd/dmangle.c: Likewise.
+       * dmd/hdrgen.c: Likewise.
+       * dmd/identifier.c (Identifier::toHChars2): Likewise.
+
+2021-04-19  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       PR d/98457
+       * d-diagnostic.cc (expand_d_format): Handle escaped backticks.
+       (escape_d_format): New funtion.
+       (verror): Call escape_d_format on prefixing strings.
+       (vdeprecation): Likewise.
+
+2021-04-17  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       PR d/99914
+       * d-target.def (d_templates_always_comdat): New hook.
+       * d-tree.h (mark_needed): Remove prototype.
+       * decl.cc: Include d-target.h.
+       (mark_needed): Rename to...
+       (d_mark_needed): ...this.  Make static.
+       (set_linkage_for_decl): Put variables in comdat if
+       d_templates_always_comdat.
+
+2021-04-17  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * d-target.cc (d_handle_target_object_format): New function.
+       (d_language_target_info): Add d_handle_target_object_format as handler
+       for objectFormat key.
+       (Target::getTargetInfo): Continue if handler returned NULL_TREE.
+
+2021-04-14  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * d-target.cc (Target::_init): Call new targetdm hook to register OS
+       specific target info keys.
+       * d-target.def (d_register_os_target_info): New hook.
+
+2021-04-14  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * d-builtins.cc (d_add_builtin_version): Remove all setting of
+       target-specific global.params.
+       * typeinfo.cc (create_typeinfo): Don't add argType fields to
+       TypeInfo_Struct.
+
+2021-04-14  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       PR d/99914
+       * decl.cc (DeclVisitor::visit (StructDeclaration *)): Don't set
+       DECL_INSTANTIATED on static initializer declarations.
+       (DeclVisitor::visit (ClassDeclaration *)): Likewise.
+       (DeclVisitor::visit (EnumDeclaration *)): Likewise.
+       (d_finish_decl): Move call to set_linkage_for_decl to...
+       (declare_extern_var): ...here.
+
+2021-04-14  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * d-target.cc (Target::_init): Call new targetdm hook to register CPU
+       specific target info keys.
+       * d-target.def (d_register_cpu_target_info): New hook.
+
+2021-04-14  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * d-target.cc (Target::systemLinkage): Return LINKwindows if
+       d_has_stdcall_convention applies to LINKsystem.
+       * d-target.def (d_has_stdcall_convention): New hook.
+       * types.cc (TypeVisitor::visit (TypeFunction *)): Insert "stdcall"
+       function attribute if d_has_stdcall_convention applies to LINKwindows.
+
+2021-04-10  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * dmd/MERGE: Merge upstream dmd 0450061c8.
+
+2021-04-08  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * d-attribs.cc: Include fold-const.h and opts.h.
+       (attr_noreturn_exclusions): Add alloc_size.
+       (attr_const_pure_exclusions): Likewise.
+       (attr_inline_exclusions): Add target_clones.
+       (attr_noinline_exclusions): Rename forceinline to always_inline.
+       (attr_target_exclusions): New array.
+       (attr_target_clones_exclusions): New array.
+       (attr_alloc_exclusions): New array.
+       (attr_cold_hot_exclusions): New array.
+       (d_langhook_common_attribute_table): Add new D attribute handlers.
+       (build_attributes): Update to look for gcc.attributes.  Issue warning
+       if not given a struct literal.  Handle void initialized arguments.
+       (handle_always_inline_attribute): Remove function.
+       (d_handle_noinline_attribute): Don't extract TYPE_LANG_FRONTEND.
+       (d_handle_forceinline_attribute): Rename to...
+       (d_handle_always_inline_attribute): ...this.  Remove special handling.
+       (d_handle_flatten_attribute): Don't extract TYPE_LANG_FRONTEND.
+       (d_handle_target_attribute): Likewise.  Warn about empty arguments.
+       (d_handle_target_clones_attribute): New function.
+       (optimize_args): New static variable.
+       (parse_optimize_options): New function.
+       (d_handle_optimize_attribute): New function.
+       (d_handle_noclone_attribute): Don't extract TYPE_LANG_FRONTEND.
+       (d_handle_alias_attribute): Remove function.
+       (d_handle_noicf_attribute): New function.
+       (d_handle_noipa_attribute): New function.
+       (d_handle_section_attribute): Call the handle_generic_attribute target
+       hook after performing target independent processing.
+       (d_handle_symver_attribute): New function.
+       (d_handle_noplt_attribute): New function.
+       (positional_argument): New function.
+       (d_handle_alloc_size_attribute): New function.
+       (d_handle_cold_attribute): New function.
+       (d_handle_restrict_attribute): New function.
+       (d_handle_used_attribute): New function.
+       * decl.cc (gcc_attribute_p): Update to look for gcc.attributes.
+       (get_symbol_decl): Update decl source location of old prototypes to
+       the new declaration being merged.
+       * types.cc (layout_aggregate_members): Apply user defined attributes
+       on fields.
+
+2021-04-06  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       PR d/99917
+       * dmd/MERGE: Merge upstream dmd d16195406.
+
+2021-04-06  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * d-codegen.cc (build_frame_type): Use Array::find to get index of
+       element.
+
+2021-04-06  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * d-diagnostic.cc (vwarning): Increment gaggedWarnings if warning
+       message was suppressed.
+       (vdeprecation): Likewise for deprecation messages.
+
+2021-04-06  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * dmd/MERGE: Merge upstream dmd 5cc71ff83.
+
+2021-04-05  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       PR d/99914
+       * d-lang.cc (d_init): Disable flag_weak_templates if no support for
+       weak or one-only symbols.
+       * d-tree.h (VAR_OR_FUNCTION_DECL_CHECK): New macro.
+       (DECL_INSTANTIATED): New macro.
+       (d_comdat_linkage): Remove declaration.
+       (d_linkonce_linkage): Remove declaration.
+       (set_linkage_for_decl): New declaration.
+       * decl.cc (DeclVisitor::visit (StructDeclaration *)): Replace call to
+       d_linkonce_linkage with setting DECL_INSTANTIATED.
+       (DeclVisitor::visit (ClassDeclaration *)): Likewise.
+       (DeclVisitor::visit (EnumDeclaration *)): Likewise.
+       (DeclVisitor::visit (InterfaceDeclaration *)): Remove call to
+       d_linkonce_linkage.
+       (get_symbol_decl): Call set_linkage_for_decl instead of
+       d_linkonce_linkage.
+       (d_finish_decl): Call set_linkage_for_decl.
+       (d_comdat_linkage): Made function static.  Only set DECL_COMDAT for
+       DECL_INSTANTIATED decls.
+       (d_linkonce_linkage): Remove function.
+       (d_weak_linkage): New function.
+       (set_linkage_for_decl): New function.
+       * gdc.texi (Runtime Options): Rename -fno-weak to -fno-weak-templates,
+       update documentation of option.
+       * lang.opt (fweak): Rename option to ...
+       (fweak-templates): ... this.  Update help string.
+       * modules.cc (get_internal_fn): Add Prot parameter.  Set generated
+       function flag.
+       (build_internal_fn): Update call to get_internal_fn.
+       (build_dso_cdtor_fn): Likewise.
+       (register_moduleinfo): Call d_finish_decl on dso_slot_node and
+       dso_initialized_node.
+       * typeinfo.cc (TypeInfoVisitor::internal_reference): Call
+       set_linkage_for_decl instead of d_comdat_linkage.
+       (TypeInfoDeclVisitor::visit (TypeInfoDeclaration *)): Remove calls to
+       d_linkonce_linkage and d_comdat_linkage.
+       (get_cpp_typeinfo_decl): Likewise.
+
+2021-04-03  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * dmd/MERGE: Merge upstream dmd 3b808e838.
+       * Make-lang.in (D_FRONTEND_OBJS): Add d/chkformat.o.
+       * d-codegen.cc (build_struct_literal): Handle special enums.
+       * d-convert.cc (convert_expr): Handle noreturn type.
+       (convert_for_condition): Likewise.
+       * d-target.cc (Target::_init): Set type for wchar_t.
+       (TargetCPP::derivedClassOffset): New method.
+       (Target::libraryObjectMonitors): New method.
+       * decl.cc (get_symbol_decl): Set TREE_THIS_VOLATILE for functions of
+       type noreturn.
+       * toir.cc (IRVisitor::visit (ReturnStatement *)): Handle returning
+       noreturn types.
+       * types.cc (TypeVisitor::visit (TypeNoreturn *)): New method.
+       (TypeVisitor::visit (TypeEnum *)): Handle special enums.
+
+2021-03-28  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * d-builtins.cc (d_init_versions): Predefine D_PIE if flag_pie is set.
+
+2021-03-28  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * d-lang.cc (d_enum_underlying_base_type): New function.
+       (LANG_HOOKS_ENUM_UNDERLYING_BASE_TYPE): Set as
+       d_enum_underlying_base_type.
+
+2021-03-28  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * Make-lang.in (DMDGEN_COMPILE): Remove.
+       (d/%.dmdgen.o): Use COMPILER_FOR_BUILD and BUILD_COMPILERFLAGS to
+       build all D generator programs.
+       (D_SYSTEM_H): New macro.
+       (d/idgen.dmdgen.o): Add dependencies to build.
+       (d/impcnvgen.dmdgen.o): Likewise.
+       * d-system.h: Include bconfig.h if GENERATOR_FILE is defined.
+
+2021-03-28  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * config-lang.in (gtfiles): Remove modules.cc.
+       * modules.cc (struct module_info): Remove GTY marker.
+       (static_ctor_list): Remove variable.
+       (static_dtor_list): Remove variable.
+       (register_moduleinfo): Directly set DECL_STATIC_CONSTRUCTOR on
+       dso_ctor, and DECL_STATIC_DESTRUCTOR on dso_dtor.
+       (d_finish_compilation): Remove static ctor/dtor handling.
+
+2021-03-06  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * d-lang.cc (d_init_options_struct): Don't set default
+       flag_complex_method.
+
+2021-03-03  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       PR d/99337
+       * dmd/MERGE: Merge upstream dmd a3c9bf422.
+
+2021-02-13  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * dmd/MERGE: Merge upstream dmd 7132b3537.
+       * Make-lang.in (D_FRONTEND_OBJS): Add d/dsymbolsem.o, d/semantic2.o,
+       d/semantic3.o, and d/templateparamsem.o.
+       * d-compiler.cc (Compiler::genCmain): Update calls to semantic
+       entrypoint functions.
+       * d-lang.cc (d_parse_file): Likewise.
+       * typeinfo.cc (make_frontend_typeinfo): Likewise.
+
+2021-02-05  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * d-tree.h (DEF_D_INTRINSIC): Don't insert INTRINSIC_ into the
+       intrinsic code name.
+       * intrinsics.cc (DEF_D_INTRINSIC): Don't insert INTRISIC_ and
+       BUILT_IN_ into the intrinsic and built-in code names.
+       * intrinsics.def:  Explicitly use full intrinsic and built-in
+       codes in all definitions.
+
+2021-02-04  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * dmd/MERGE: Merge upstream dmd 46133f761.
+       * d-builtins.cc (d_build_builtins_module): Set builtins as BUILTINgcc.
+       (maybe_set_builtin_1): Likewise.
+       * d-frontend.cc (eval_builtin): Adjust condition for early return.
+       * intrinsics.cc (maybe_set_intrinsic): Set intrinsics as BUILTINgcc.
+       (maybe_expand_intrinsic): Add case for INTRINSIC_BSWAP16.
+       * intrinsics.def (INTRINSIC_BT): Update signature.
+       (INTRINSIC_BT64): Likewise.
+       (INTRINSIC_BSWAP16): New intrinsic.
+       (INTRINSIC_VLOAD8): Update module.
+       (INTRINSIC_VLOAD16): Likewise.
+       (INTRINSIC_VLOAD32): Likewise.
+       (INTRINSIC_VLOAD64): Likewise.
+       (INTRINSIC_VSTORE8): Likewise.
+       (INTRINSIC_VSTORE16): Likewise.
+       (INTRINSIC_VSTORE32): Likewise.
+       (INTRINSIC_VSTORE64): Likewise.
+       (INTRINSIC_ADDS): Update signature.
+       (INTRINSIC_ADDSL): Likewise.
+       (INTRINSIC_ADDU): Likewise.
+       (INTRINSIC_ADDUL): Likewise.
+       (INTRINSIC_SUBS): Likewise.
+       (INTRINSIC_SUBSL): Likewise.
+       (INTRINSIC_SUBU): Likewise.
+       (INTRINSIC_SUBUL): Likewise.
+       (INTRINSIC_MULS): Likewise.
+       (INTRINSIC_MULSL): Likewise.
+       (INTRINSIC_MULU): Likewise.
+       (INTRINSIC_MULUI): Likewise.
+       (INTRINSIC_MULUL): Likewise.
+       (INTRINSIC_NEGS): Likewise.
+       (INTRINSIC_NEGSL): Likewise.
+
+2021-02-02  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       PR d/98921
+       * dmd/MERGE: Merge upstream dmd 5e2a81d9c.
+
+2021-01-30  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * typeinfo.cc (TypeInfoVisitor::visit (TypeInfoDeclaration *)): Don't
+       layout m_arg1 and m_arg2 fields.
+
+2021-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * dmd/MERGE: Merge upstream dmd 609c3ce2d.
+       * d-compiler.cc (Compiler::loadModule): Rename to ...
+       (Compiler::onParseModule): ... this.
+       (Compiler::onImport): New function.
+       * d-lang.cc (d_parse_file): Remove call to Compiler::loadModule.
+
+2021-01-21  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * dmd/MERGE: Merge upstream dmd 3a7ebef73.
+
+2021-01-11  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * dmd/MERGE: Merge upstream dmd 2d3d13748.
+       * d-lang.cc (d_handle_option): Remove OPT_ftransition_checkimports and
+       OPT_ftransition_import.
+       * gdc.texi (Warnings): Remove documentation for -ftransition=import
+       and -ftransition=checkimports.
+       * lang.opt (ftransition=checkimports): Remove.
+       (ftransition=import): Remove.
+
+2021-01-09  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * dmd/MERGE: Merge upstream dmd cb1106ad5.
+
+2021-01-09  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * dmd/MERGE: Merge upstream dmd 9bba772fa.
+
+2021-01-09  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * dmd/MERGE: Merge upstream dmd e598f69c0.
+
+2021-01-07  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * dmd/MERGE: Merge upstream dmd 9038e64c5.
+       * d-builtins.cc (build_frontend_type): Update call to
+       Parameter::create.
+
+2021-01-05  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+       * dmd/MERGE: Merge upstream dmd a5c86f5b9.
+       * d-builtins.cc (d_eval_constant_expression): Handle ADDR_EXPR trees
+       created by build_string_literal.
+       * d-frontend.cc (retStyle): Remove function.
+       * d-target.cc (d_language_target_info): New variable.
+       (d_target_info_table): Likewise.
+       (Target::_init): Initialize d_target_info_table.
+       (Target::isReturnOnStack): New function.
+       (d_add_target_info_handlers): Likewise.
+       (d_handle_target_cpp_std): Likewise.
+       (d_handle_target_cpp_runtime_library): Likewise.
+       (Target::getTargetInfo): Likewise.
+       * d-target.h (struct d_target_info_spec): New type.
+       (d_add_target_info_handlers): Declare.
+
+2021-01-01  Jakub Jelinek  <jakub@redhat.com>
 
        * gdc.texi: Bump @copyrights-d year.
+
+2021-01-01  Jakub Jelinek  <jakub@redhat.com>
+
+       * ChangeLog-2020: Rotate ChangeLog.  New file.
+
 \f
-Copyright (C) 2020 Free Software Foundation, Inc.
+Copyright (C) 2021 Free Software Foundation, Inc.
 
 Copying and distribution of this file, with or without modification,
 are permitted in any medium without royalty provided the copyright