Don't define guard macros when doing #include_next in math.h and stdlib.h

2016-02-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>

PR libstdc++/69581
* include/c_compatibility/math.h: Move header guards.
* include/c_compatibility/stdlib.h: Likewise.

From-SVN: r233035

* postreload.c (reload_cse_simplify): Remove dead code.

From-SVN: r233034

re PR rtl-optimization/69570 (if-conversion bug on i?86)

PR rtl-optimization/69570
* ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
if there is more than one set, not if there is a single set.

* g++.dg/opt/pr69570.C: New test.

From-SVN: r233033

re PR rtl-optimization/69535 (wrong code with -O -fno-tree-bit-ccp -fno-tree-reassoc due to use of uninitialised value)

PR rtl-opt/69535

  * combine.c (make_compound_operation): When looking through a
  subreg, make sure to re-extend to the width of the outer mode.

From-SVN: r233032

re PR testsuite/69584 (FAIL: gcc.dg/pr67964.c (test for excess errors))

PR testsuite/69584
* gcc.dg/tree-ssa/sra-17.c: Fix regexps to work on hpux.
* gcc.dg/tree-ssa/sra-18.c: Likewise.

From-SVN: r233030

re PR target/68741 (FAIL: tr1/8_c_compatibility/cstdio/functions.cc (test for excess errors))

PR target/68741
* inclhack.def (hpux_vsscanf): New fix.
* fixincl.x: Regenerated.
* tests/base/stdio.h [HPUX_VSSCANF_CHECK]: New test.

From-SVN: r233029

re PR debug/68244 (FAIL: g++.dg/parse/parens3.C  -std=gnu++98 (internal compiler error))

PR debug/68244
* g++.dg/parse/parens3.C: Use register "4" on hppa.

From-SVN: r233028

vector-5.c: Add -fno-common option on hppa*-*-hpux*.

* gcc.dg/tree-ssa/vector-5.c: Add -fno-common option on hppa*-*-hpux*.

From-SVN: r233027

Daily bump.

From-SVN: r233026

Regenerate .pot files.

gcc/po:
* gcc.pot: Regenerate.

libcpp/po:
* cpplib.pot: Regenerate.

From-SVN: r233023

* fi.po: Update.

From-SVN: r233021

re PR c++/68763 (ICE: in verify_unstripped_args, at cp/pt.c:1132)

PR c++/68763

* tree.c (strip_typedefs) [FUNCTION_TYPE]: Avoid building a new
function type if nothing is changing.

Co-Authored-By: Jason Merrill <jason@redhat.com>
From-SVN: r233020

re PR c++/69009 (ICE in instantiate_decl, at cp/pt.c:21511)

PR c++/69009

* pt.c (partial_specialization_p, impartial_args): New.
(instantiate_decl): Call impartial_args.

From-SVN: r233019

Fix abi-tag16.C.

* mangle.c (maybe_check_abi_tags): New.
(write_guarded_var_name): Call it.
(mangle_ref_init_variable): Call check_abi_tags.

From-SVN: r233018

Fix abi-tag17.C.

* pt.c (lookup_template_class_1): Don't share TYPE_ATTRIBUTES
between template and instantiation.

From-SVN: r233017

re PR fortran/67564 (Segfault on sourced allocattion statement with class(*) arrays)

2016-01-31  Paul Thomas  <pault@gcc.gnu.org>

PR fortran/67564
* trans-expr.c (gfc_conv_procedure_call): For the vtable copy
subroutines, add a string length argument, when the actual
argument is an unlimited polymorphic class object.

2016-01-31  Paul Thomas  <pault@gcc.gnu.org>

PR fortran/67564
* gfortran.dg/allocate_with_source_17.f03: New test.

From-SVN: r233016

Daily bump.

From-SVN: r233015

re PR middle-end/69546 (wrong code with -O and simple int128 arithmetics)

PR tree-optimization/69546
* wide-int.cc (wi::divmod_internal): For unsigned division
where both operands fit into uhwi, if o1 is 1 and o0 has
msb set, if divident_prec is larger than bits per hwi,
clear another quotient word and return 2 instead of 1.
Similarly for remainder with msb in HWI set, if dividend_prec
is larger than bits per hwi.

* gcc.dg/torture/pr69546.c: New test.

From-SVN: r233012

re PR fortran/69566 ([OOP] Failure of SELECT TYPE with unlimited polymorphic function result)

2016-01-30  Paul Thomas  <pault@gcc.gnu.org>

PR fortran/69566
* trans-expr.c (gfc_conv_procedure_call): Correct expression
for 'ulim_copy', which was missing a test for 'comp'.

2016-01-30  Paul Thomas  <pault@gcc.gnu.org>

PR fortran/69566
* gfortran.dg/unlimited_polymorphic_25.f03: New test.

From-SVN: r233011

PR r++/68490 - error initializing a structure with a flexible array membe

gcc/testsuite/ChangeLog:
2016-01-30  Martin Sebor  <msebor@redhat.com>

        PR c++/68490
        * g++.dg/ext/flexary10.C: New test.

From-SVN: r233010

re PR fortran/66707 (Endless compilation on wrong usage of common)

2016-01-30  Dominique d'Humieres  <dominiq@lps.ens.fr>

PR fortran/66707
gfortran.dg/common_23.f90: New test.

From-SVN: r233008

re PR target/65546 (FAIL: gcc.dg/vect/costmodel/ppc/costmodel-vect-31a.c)

2016-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

PR target/65546
* gcc.dg/vect/costmodel/ppc/costmodel-vect-31a.c: Correct
condition being checked, and disable it when the target supports
misaligned loads and stores.

From-SVN: r233006

Daily bump.

From-SVN: r233005

[hsa] Atomic assess memory model fixes

2016-01-29  Martin Jambor  <mjambor@suse.cz>

* hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
Use short lowercase names.
(get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
acq_rel one.  Protect warning agains segfaults if
get_memory_order_name returns NULL.
(gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
with release semantics.  Do not warn if get_memory_order already did.
(gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
semantics.  Fix check for relaxed or acquire semantics.  Do not warn
if get_memory_order already did.

From-SVN: r233000

re PR debug/69518 (Flag -g causes "error: type variant has different TYPE_VFIELD")

PR debug/69518
* c-decl.c (finish_struct): Clear C_TYPE_INCOMPLETE_VARS in
all type variants, not just TYPE_MAIN_VARIANT.

* gcc.dg/torture/pr69518.c: New test.

From-SVN: r232998

document that isl-0.16 is supported

* config/isl.m4: Add comments about isl-0.16.
* configure: Regenerate.

gcc/
* doc/install.texi: Document that isl-0.16 is supported.

From-SVN: r232997

re PR target/69299 (-mavx performance degradation with r232088)

2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>

PR target/69299
* config/i386/constraints.md (Bm): Describe as special memory
constraint.
* doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
* genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
* genpreds.c (struct constraint_data): Add is_special_memory.
(have_special_memory_constraints, special_memory_start): New
static vars.
(special_memory_end): Ditto.
(add_constraint): Add new arg is_special_memory.  Add code to
process its true value.  Update have_special_memory_constraints.
(process_define_constraint): Pass the new arg.
(process_define_register_constraint): Ditto.
(choose_enum_order): Process special memory.
(write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
function insn_extra_special_memory_constraint.
(main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
* gensupport.c (process_rtx): Process
DEFINE_SPECIAL_MEMORY_CONSTRAINT.
* ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
* ira-lives.c (single_reg_class): Use
insn_extra_special_memory_constraint.
* ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
* lra-constraints.c (process_alt_operands): Ditto.
(curr_insn_transform): Use insn_extra_special_memory_constraint.
* recog.c (asm_operand_ok, preprocess_constraints): Process
CT_SPECIAL_MEMORY.
* reload.c (find_reloads): Ditto.
* rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
* stmt.c (parse_input_constraint): Use
insn_extra_special_memory_constraint.

From-SVN: r232993

Revert revsion 229087 changes in lra-spills.c

r229087, which caused PR 69530, was supposed to fix PR 67609.  r229458
has made r229087 unnecessary.

gcc/

PR target/69530
* lra-splill.c (lra_final_code_change): Revert r229087 by
removing all sub-registers.

gcc/testsuite/

PR target/69530
* gcc.target/i386/pr69530.c: New test.

From-SVN: r232991

re PR target/65604 (MIPS -fno-delayed-branch generates incorrect code with -mcheck-zero-division)

PR target/65604
* gcc.target/mips/div-delay.c: New test.

From-SVN: r232986

re PR target/65604 (MIPS -fno-delayed-branch generates incorrect code with -mcheck-zero-division)

PR target/65604
* config/mips/mips.c (mips_output_division): Check flag_delayed_branch.

From-SVN: r232985

re PR target/69551 (Wrong code with single element vector insert)

PR target/69551
* config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
SSE1, copy target into the temporary reg first before recursing
on it.

* gcc.target/i386/pr69551.c: New test.

From-SVN: r232982

re PR target/66137 (ICE with -ffixed-ebp)

PR target/66137
* gcc.target/i386/pr66137.c: New test.

From-SVN: r232981

p5600-bonding.c (dg-options): Force the test to be always built for p5600.

testsuite/
2016-01-29  Andrew Bennett  <andrew.bennett@imgtec.com>

       * gcc.target/mips/p5600-bonding.c (dg-options): Force the test to be
       always built for p5600.
       * gcc.target/mips/mips.exp (mips-dg-options): Add support for the
       isa=p5600 dg-option.

From-SVN: r232980

Use vm in sse2_cvtps2pd<mask_name>

sse2_cvtps2pd<mask_name> has

(define_insn "sse2_cvtps2pd<mask_name>"
  [(set (match_operand:V2DF 0 "register_operand" "=v")
        (float_extend:V2DF
          (vec_select:V2SF
            (match_operand:V4SF 1 "vector_operand" "vBm")
            (parallel [(const_int 0) (const_int 1)]))))]

The memory operand size is 8 bytes (2 floats).  We should use vm instead
of vBm.

* config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
with vm.

From-SVN: r232979

Add myself as a hsa maintainer

2016-01-29  Martin Jambor  <mjambor@suse.cz>

* MAINTAINERS (hsa maintainers): Add myself.

From-SVN: r232978

Test __cplusplus instead of __GXX_EXPERIMENTAL_CXX0X__

* ginclude/stdarg.h: Test __cplusplus instead of
__GXX_EXPERIMENTAL_CXX0X__.

From-SVN: r232977

re PR middle-end/69547 (no-op array initializer emits an empty loop)

2016-01-29  Richard Biener  <rguenther@suse.de>

PR tree-optimization/69547
* tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
Do not mark clobbers necessary.
(mark_all_reaching_defs_necessary_1): Likewise.

* g++.dg/tree-ssa/pr69547.C: New testcase.

From-SVN: r232976

re PR debug/66869 (-Wunused-function no longer warns for static declarations without definition)

PR debug/66869
* decl.c (wrapup_globals_for_namespace): Warn about unused static
function declarations.

* g++.dg/warn/Wunused-function2.C: New test.

From-SVN: r232975

Fix Cygwin bootstrap error due to TM symbols

PR libstdc++/69506
* config/os/newlib/os_defines.h (_GLIBCXX_USE_WEAK_REF): Define.

From-SVN: r232974

S/390: Use %qs in error messages.

gcc/ChangeLog

* config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
declaration name with %qs and print it in both error messages.  Also
fix indentation.

From-SVN: r232973

PR other/69006: S/390: Fix extra newlines after diagnostics.

gcc/ChangeLog

PR other/69006
* config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
trailing blank line from error message.

From-SVN: r232972

S/390: Require a hardware vector support for test to succeed.

The test case works on S/390 too, but only with -march=z13 or later
(i.e. if Gcc can make use of hardware vector support).  Otherwise the
optimization gets too complex.  The attached patch forces Gcc to use
-march=z13 instead of xfail'ing the test on S/390.

gcc/testsuite/ChangeLog

* gcc.dg/tree-ssa/ssa-dom-cse-2.c: Require a hardware vector support for
test to succeed.

From-SVN: r232971

PR c++/69462: Provide FLT_EVAL_METHOD and DECIMAL_DIG in float.h.

gcc/ChangeLog

PR c++/69462
* ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
for C++-11.

From-SVN: r232970

re PR c++/69509 (infinite loop compiling a VLA in a recursive constexpr function)

PR c++/69509
PR c++/69516
* constexpr.c (cxx_eval_array_reference): Give the "array subscript
out of bound" error earlier.
* init.c (build_vec_init): Change NE_EXPR into GT_EXPR.  Update the
commentary.

* g++.dg/ext/constexpr-vla2.C: New test.
* g++.dg/ext/constexpr-vla3.C: New test.
* g++.dg/ubsan/vla-1.C: Remove dg-shouldfail.

From-SVN: r232969

re PR middle-end/69537 (Incorrect -Wmaybe-uninitialized warning with enum variable)

2016-01-29  Richard Biener  <rguenther@suse.de>

PR middle-end/69537
* match.pd: Allow all integral types when simplifying a
widening or sign-changing conversion.

* gcc.dg/uninit-21.c: New testcase.

From-SVN: r232968

PR69545: revert patch

Revert 'assert instead of silently failing code gen' that produces an ICE with isl-0.14.

From-SVN: r232966

Fix cp_binding_level reuse logic

gcc/cp/ChangeLog:

* name-lookup.c (begin_scope): After reusing a cp_binding_level
structure, update free_binding_level before the structure's
level_chain field gets cleared, not after.

From-SVN: r232965

Daily bump.

From-SVN: r232963

re PR pch/68176 (all pch tests fail on eglibc systems (with bits/predefs.h))

PR pch/68176
* files.c (_cpp_find_file): Set file->implicit_preinclude even if
included from file->implicit_preinclude header.

From-SVN: r232956

re PR target/69459 (wrong code with -O2 and vector arithmetics @ x86_64)

PR target/69459
* config/i386/constraints.md (C): Only accept constant zero operand.
(BC): New constraint.
* config/i386/sse.md (*mov<mode>_internal): Use BC constraint
instead of C constraint.
* doc/md.texi (Machine Constraints): Update description
of C constraint.

testsuite/ChangeLog:

PR target/69459
* gcc.target/i386/pr69459.c: New test.

From-SVN: r232955

re PR target/68400 (ICE in change_address_1, at emit-rtl.c:2125)

PR target/68400
* gcc.target/mips/mips.exp (mips_option_groups): Add stack-protector.
* gcc.target/mips/pr68400.c: New test.

From-SVN: r232954

re PR target/68400 (ICE in change_address_1, at emit-rtl.c:2125)

2016-01-28  Steve Ellcey  <sellcey@imgtec.com>

PR target/68400
* config/mips/mips.c (and_operands_ok): Add MIPS16 check.

From-SVN: r232952

PR target/17381 - Unnecessary register move for float extend

2016-01-28  Martin Sebor  <msebor@redhat.com>

PR target/17381
* gcc.target/powerpc/pr17381.c: New test.

From-SVN: r232947

re PR middle-end/69542 (-fcompare-debug failure in simplify-rtx.c on i?86 since r232905)

PR middle-end/69542
* lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
non-debug insns.

* gcc.dg/torture/pr69542.c: New test.

From-SVN: r232946

rs6000.c (output_cbranch): Don't statically predict branches if using guessed profile.

* config/rs6000/rs6000.c (output_cbranch): Don't statically predict
branches if using guessed profile.

From-SVN: r232945

Fix optimize_isl dump

* graphite-optimize-isl.c (optimize_isl): Fix dump.

From-SVN: r232939

re PR target/69305 (wrong code with -O and int128 @ aarch64)

PR target/69305

  * config/aarch64/aarch64-modes.def (CC_Cmode): New
  * config/aarch64/aarch64-protos.h: Update.
  * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
  (aarch64_select_cc_mode): Add check for use of CC_Cmode.
  (aarch64_get_condition_code_1): Handle CC_Cmode.
  * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
  (*add<mode>3_compareC_cconly_imm): New.
  (*add<mode>3_compareC_cconly): New.
  (*add<mode>3_compareC_imm): New.
  (add<mode>3_compareC): New.
  (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
  to be first.  Use aarch64_carry_operation.
  (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
  (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
  (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
  (subti3): Use subdi3_compare1.
  (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
  (sub<mode>3_compare1): New.
  (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
  (*sub<mode>3_carryin): Use aarch64_borrow_operation.
  (*subsi3_carryin_uxtw): Likewise.
  (*ngc<mode>, *ngcsi_uxtw): Likewise.
  (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
  * config/aarch64/iterators.md (DWI): New.
  * config/aarch64/predicates.md (aarch64_carry_operation): New.
  (aarch64_borrow_operation): New.

From-SVN: r232936

make debug comment more explicit

2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>

* graphite-optimize-isl.c (optimize_isl): Print a different debug
message when isl does not return a valid schedule.

From-SVN: r232935

remove out of sync comments

* graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
Remove comments from class declarations: they are already in the code
close by the defs.

From-SVN: r232934

use codegen_error_p

* graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call codegen_error_p.
(ternary_op_to_tree): Same.
(unary_op_to_tree): Same.
(nary_op_to_tree): Same.
(gcc_expression_from_isl_expr_op): Same.
(gcc_expression_from_isl_expression): Same.
(graphite_create_new_loop): Same.
(graphite_create_new_loop_guard): Same.
(build_iv_mapping): Same.
(graphite_create_new_guard): Same.
(translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
(translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.

From-SVN: r232933

assert instead of silently failing code gen

* graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert instead of
setting codegen_error to fail codegen.

From-SVN: r232932

* tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.

From-SVN: r232931

A recent change added UNSPEC to the CCMP patterns to stop combine optimizing the immediate in a rare case.

A recent change added UNSPEC to the CCMP patterns to stop combine optimizing
the immediate in a rare case.  This requires a fix to the CCMP cost
calculation as the CCMP instruction with unspec is no longer recognized.
Fix the ccmp_1.c test by adding -ffinite-math-only so FCCMPE is emitted on
relational compares.

2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>

    gcc/
* config/aarch64/aarch64.c (aarch64_if_then_else_costs):
Remove CONST_INT_P check in CCMP cost calculation.

    gcc/testsuite/
* gcc.target/aarch64/ccmp_1.c: Fix test issue.

From-SVN: r232930

re PR c++/67407 (ice in friend_accessible_p)

PR c++/67407

* search.c (dfs_walk_once, dfs_walk_once_r)
(dfs_walk_once_accessible_r, dfs_walk_once_accessible): Use
hash_set instead of BINFO_MARKED.
(dfs_unmark_r): Remove.

From-SVN: r232929

* directives.c (destringize_and_run): Adjust prototype.

From-SVN: r232928

pr65980.c: Skip on AIX.

        * gcc.dg/pr65980.c: Skip on AIX.
        * gcc.dg/pr66688.c: Same.

From-SVN: r232927

re PR target/63679 ([AArch64] Failure to constant fold.)

        PR target/63679
        * gcc.dg/tree-ssa/sra-17.c: Adjust regex for more label styles.
        * gcc.dg/tree-ssa/sra-18.c: Same.

From-SVN: r232926

re PR libstdc++/69450 (libstdc++-v3/include/math.h:66:1 2: error: 'constexpr bool std::isnan(double)' conflicts with a previous declaration)

PR libstdc++/69450
* acinclude.m4 (GLIBCXX_CHECK_MATH11_PROTO): Split check for obsolete
isinf and isnan functions into two independent checks.  Check on hpux.
* config.h.in: Regenerate.
* configure: Regenerate.
* include/c_global/cmath (isinf(double), isnan(double)): Use
_GLIBCXX_HAVE_OBSOLETE_ISINF and _GLIBCXX_HAVE_OBSOLETE_ISNAN,
respectively.

From-SVN: r232925

gigi.h (enum attr_type): Rename into...

* gcc-interface/gigi.h (enum attr_type): Rename into...
(enum attrib_type): ...this.
(struct attrib): Adjust.
* gcc-interface/decl.c (prepend_one_attribute): Likewise.

From-SVN: r232923

Add support for vector permute cost since various permutes can expand into a complex sequence of instructions.

Add support for vector permute cost since various permutes can expand
into a complex sequence of instructions.  This fixes major performance
regressions due to recent changes in SLP vectorizer (which now vectorizes
more aggressively and emits many complex permutes).  Set the cost to > 1
for all microarchitectures so that the number of permutes is usually zero
and regressions disappear.

2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>

* config/aarch64/aarch64.c (generic_vector_cost):
Set vec_permute_cost.
(cortexa57_vector_cost): Likewise.
(exynosm1_vector_cost): Likewise.
(xgene1_vector_cost): Likewise.
(aarch64_builtin_vectorization_cost): Use vec_permute_cost.
* config/aarch64/aarch64-protos.h (cpu_vector_cost):
Add vec_permute_cost entry.

From-SVN: r232922

Several instructions disassemble a zero immediate as wzr/xzr due to using a register operand in the disassembly.

Several instructions disassemble a zero immediate as wzr/xzr due to
using a register operand in the disassembly.  Avoid this by removing
the register operand.

2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>

* config/aarch64/aarch64.md (ccmp<mode>): Disassemble
immediate as %1.
(add<mode>3_compare0): Likewise.
(addsi3_compare0_uxtw): Likewise.
(add<mode>3nr_compare0): Likewise.
(compare_neg<mode>): Likewise.
(<optab><mode>3): Likewise.

From-SVN: r232921

Added missing testcase of r232919.

From-SVN: r232920

re PR fortran/62536 (ICE (segfault) for invalid END BLOCK statement)

gcc/fortran/ChangeLog:

2016-01-28  Andre Vehreschild  <vehre@gcc.gnu.org>

PR fortran/62536
* decl.c (gfc_match_end): Only unnest and remove BLOCK namespaces
when the END encountered does not match a BLOCK's end.

gcc/testsuite/ChangeLog:

2016-01-28  Andre Vehreschild  <vehre@gcc.gnu.org>

PR fortran/62536
* gfortran.dg/block_15.f08: New test.
* gfortran.dg/block_end_error_1.f90: Need to catch additional error
on incorrectly closed BLOCK.

From-SVN: r232919

tree-vect-stmts.c (vectorizable_comparison): Add NULL check for vectype.

gcc/

* tree-vect-stmts.c (vectorizable_comparison): Add
NULL check for vectype.

gcc/testsuite/

* gcc.dg/declare-simd.c: New test.

From-SVN: r232917

re PR tree-optimization/69466 (ICE: Invalid PHI argument after vectorization (on -O2))

2016-01-28  Richard Biener  <rguenther@suse.de>

PR tree-optimization/69466
* tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
Account for PHIs we couldn't duplicate.

* gfortran.dg/vect/pr69466.f90: New testcase.

From-SVN: r232916

re PR pch/68758 (Invalid read of size 8 in gt_pch_save (ggc-common.c:551))

Fix PR pch/68758.

PR pch/68758
* ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
instead of ENABLE_VALGRIND_CHECKING.

From-SVN: r232915

correct ChangeLogs for PR69422

From-SVN: r232914

pr67989.C: Remove ARM-specific option.

2016-01-28  Thomas Preud'homme  <thomas.preudhomme@arm.com>

    gcc/testsuite/
    * g++.dg/pr67989.C: Remove ARM-specific option.
    * gcc.target/arm/pr67989.C: New file.

From-SVN: r232913

Low-hanging C++-lexer speedup (PR c++/24208)

gcc/cp/ChangeLog:

PR c++/24208
* parser.c (LEXER_DEBUGGING_ENABLED_P): New macro.
(cp_lexer_debugging_p): Use it.
(cp_lexer_start_debugging): Likewise.
(cp_lexer_stop_debugging): Likewise.

From-SVN: r232912

Daily bump.

From-SVN: r232911

pr68264.c: Disable log1p test for glibc < 2.22 and expm1 test for glibc < 2.11.

* gcc.dg/torture/pr68264.c: Disable log1p test for glibc < 2.22
and expm1 test for glibc < 2.11.

From-SVN: r232907

re PR fortran/69484 (documentation issue: -Wtabs and -Wall)

2016-01-27  Janus Weil  <janus@gcc.gnu.org>

PR fortran/69484
* invoke.texi: Fix documentation of -Wall with respect to -Wtabs.

From-SVN: r232906

re PR rtl-optimization/69447 (wrong code with -O2 -fno-schedule-insns and mixed 8/16/32/64bit arithmetics @ armv7a)

PR rtl-opt/69447

  * lra-remat.c (subreg_regs): New.
  (dump_candidates_and_remat_bb_data): Dump it.
  (operand_to_remat): Reject if operand in subreg_regs.
  (set_bb_regs): Collect subreg_regs.
  (lra_remat): Init and free subreg_regs.  Compute
  calculate_local_reg_remat_bb_data before create_cands.

From-SVN: r232905

[multiple changes]

2016-01-27  Paul Thomas  <pault@gcc.gnu.org>

PR fortran/69385
* trans-expr.c (is_scalar_reallocatable_lhs): Remove the check
for allocatable components, whilst checking if the symbol is a
derived or class entity..

2015-01-27  Paul Thomas  <pault@gcc.gnu.org>

PR fortran/69385
* gfortran.dg/alloc_comp_assign_15.f03: New test.

From-SVN: r232904

Don't change stack_alignment_needed for __tls_get_addr

__tls_get_addr must be called with 16-byte aligned stack, which is
guaranted by setting preferred_stack_boundary to 128 bits.  There
is no need to change stack_alignment_needed for __tls_get_addr.

PR target/68986
* config/i386/i386.c (ix86_update_stack_boundary): Don't
change stack_alignment_needed for __tls_get_addr call.

From-SVN: r232901

rs6000: Put back the 's' output modifier

It turns out the 's' output modifier is used in some glibc math code,
and is in an installed header even.  So let's put it back, it is much
less of a burden supporting it a bit longer than to deal with the fallout.
(It is also being fixed for glibc.)

* config/rs6000/rs6000.c (print_operand): Rollback 's' removal.

From-SVN: r232900

re PR debug/66869 (-Wunused-function no longer warns for static declarations without definition)

PR debug/66869
* c-decl.c (c_write_global_declarations_1): Warn with
warn_unused_function if static prototype without definition
is not C_DECL_USED.

* gcc.dg/pr66869.c: New test.

From-SVN: r232899

* testsuite/libstdc++-prettyprinters/whatis.cc: Include <random>.

From-SVN: r232898

re PR tree-optimization/68398 (coremark regression due to r229685)

PR tree-optimization/68398
* params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
(PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
* tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
Only count PHIs in the last block in the path.  The others will
const/copy propagate away.  Add heuristic to allow more irreducible
subloops to be created when it is likely profitable to do so.

* tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
check from within the loop.  Use gsi_next_nondebug rather than gsi_next.

PR tree-optimization/68398
* gcc.dg/tree-ssa/pr66752-3.c: Update expected output.
* gcc.dg/tree-ssa/ssa-dom-thread-2c.c: Add extra statements on thread
path to avoid new heuristic allowing more irreducible regions
* gcc.dg/tree-ssa/ssa-dom-thread-2d.c: Likewise.
* gcc.dg/tree-ssa/vrp46.c: Likewise.
* gcc.dg/tree-ssa/ssa-dom-thread-7.c: Update expected output.
* gcc.dg/tree-ssa/ssa-dom-thread-2g.c: New test.
* gcc.dg/tree-ssa/ssa-dom-thread-2h.c: Likewise.

From-SVN: r232897

re PR c/68062 (ICE when comparing vectors)

PR c/68062
* c-typeck.c (build_binary_op) [EQ_EXPR, GE_EXPR]: Promote operand
to unsigned, if needed.  Add -Wsign-compare warning.

* typeck.c (cp_build_binary_op): Promote operand to unsigned, if
needed.  Add -Wsign-compare warning.

* c-c++-common/vector-compare-4.c: New test.

From-SVN: r232894

libcpp: use better locations for _Pragma tokens (preprocessor/69126)

gcc/testsuite/ChangeLog:
PR preprocessor/69126
* c-c++-common/pr69126.c: New test case.

libcpp/ChangeLog:
PR preprocessor/69126
* directives.c (destringize_and_run): Add expansion_loc param; use
it when handling unexpanded pragmas to fixup the locations of the
synthesized tokens.
(_cpp_do__Pragma): Add expansion_loc param and use it when calling
destringize_and_run.
* internal.h (_cpp_do__Pragma): Add expansion_loc param.
* macro.c (builtin_macro): Pass expansion location of _Pragma to
_cpp_do__Pragma.

From-SVN: r232893

compiler: Accept map composite literals with omitted key types.

    compiler: Copy key_path_ when copying a Composite_literal_expression.

    Fixes golang/go#10263.

    Reviewed-on: https://go-review.googlesource.com/14299
    Reviewed-on: https://go-review.googlesource.com/18988

From-SVN: r232892

re PR lto/69254 (ICE in streamer_get_builtin_tree when using -fsanitize=shift on the compile side only)

PR lto/69254
* sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
* asan.c (DEF_BUILTIN_STUB): Temporarily define.
* tree-streamer-in.c: Include asan.h.
(streamer_get_builtin_tree): For builtins in sanitizer
range call initialize_sanitizer_builtins and retry.

From-SVN: r232891

go-lang.c (go_langhook_init_options_struct): Default to -fkeep-gc-roots-live.

* go-lang.c (go_langhook_init_options_struct): Default to
-fkeep-gc-roots-live.

From-SVN: r232890

common.opt (fkeep-gc-roots-live): New undocumented option.

gcc/:
* common.opt (fkeep-gc-roots-live): New undocumented option.
* tree-ssa-loop-ivopts.c (add_candidate_1): If
-fkeep-gc-roots-live, skip pointers.
(add_iv_candidate_for_biv): Handle add_candidate_1 returning
NULL.

gcc/testsuite/:
* gcc.dg/tree-ssa/ivopt_5.c: New test.

From-SVN: r232888

re PR c++/69267 ([cilkplus] ICE when calling a function with an empty class as an argument)

2016-01-15  Ryan Burn  <contact@rnburn.com>

        PR cilkplus/69267
        * cilk.c (cilk_gimplify_call_params_in_spawned_fn): Change to use
        gimplify_arg. Removed superfluous post_p argument.
        * c-family.h (cilk_gimplify_call_params_in_spawned_fn): Removed
        superfluous post_p argument.
        * c-gimplify.c (c_gimplify_expr): Likewise.

gcc/cp/ChangeLog:

2016-01-15  Ryan Burn  <contact@rnburn.com>

        PR cilkplus/69267
        * cp-gimplify.c (cilk_cp_gimplify_call_params_in_spawned_fn): Removed
        superfluous post_p argument in call to
        cilk_gimplify_call_params_in_spawned_fn.

gcc/testsuite/ChangeLog:

2016-01-15  Ryan Burn  <contact@rnburn.com>

PR cilkplus/69267
* g++.dg/cilk-plus/CK/pr69267.cc: New test.

From-SVN: r232887

re PR target/69512 (ICE when using avx with i586)

2016-01-27  Uros Bizjak  <ubizjak@gmail.com>

PR target/69512
* config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
(*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.

testsuite/ChangeLog:

2016-01-27  Uros Bizjak  <ubizjak@gmail.com>

PR target/69512
* gcc.target/i386/pr69512.c: New test.

From-SVN: r232885

re PR target/68380 (NetBSD has SSP in libc)

2016-01-27  Thomas Klausner  <wiz@NetBSD.org>

PR target/68380
* configure.ac: NetBSD provides SSP in its C library.
* configure: Updated.

From-SVN: r232884

re PR ada/69488 (tests in gnat/sso give a lot of spurious failures)

PR ada/69488
* gnat.dg/sso/*.adb: Robustify dg-output directives.

From-SVN: r232883

re PR c++/69379 (ICE in fold_convert_loc, at fold-const.c:2366)

PR c++/69379
* constexpr.c (cxx_eval_constant_expression): Handle PTRMEM_CSTs
wrapped in NOP_EXPRs.

* g++.dg/pr69379.C: New test.

From-SVN: r232882