2016-09-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/77478
	* gcc.dg/torture/pr77478.c: New testcase.

From-SVN: r240530

	PR gcov-profile/7970
	PR gcov-profile/16855
	PR gcov-profile/44779
	* g++.dg/gcov/pr16855.C: New test.
	* coverage.c (build_gcov_exit_decl): New function.
	(coverage_obj_init): Call the function and generate __gcov_exit
	destructor.
	* doc/gcov.texi: Document when __gcov_exit function is called.
	* libgcov-driver.c (__gcov_init): Do not register a atexit
	handler.
	(__gcov_exit): Rename from gcov_exit.
	* libgcov.h (__gcov_exit): Declare.

From-SVN: r240529

The test has a bunch of hardcoded integer literals that would fit only in a 
32 bits+ int, causing overflow warnings for a 16 bit int target like avr.

gcc/testsuite/ChangeLog

2016-09-27  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

	* gcc.dg/tree-ssa/builtin-sprintf-warn-1.c: Require int32plus.

From-SVN: r240528

re PR bootstrap/77751 (cc1plus: error: unrecognized command line option "-Wno-implicit-fallthrough" for insn-emit.o)

	PR bootstrap/77751
	* Makefile.in (insn-attrtab.o-warn, insn-dfatab.o-warn,
	insn-latencytab.o-warn, insn-output.o-warn, insn-emit.o-warn): Use
	-Wno-error instead of -Wno-implicit-fallthrough.

From-SVN: r240526

	PR bootstrap/77749
	* gcov-counter.def: Remove GCOV_COUNTER_V_DELTA.
	PR bootstrap/77749
	* Makefile.in: Remove _gcov_merge_delta.
	* libgcov-merge.c (void __gcov_merge_delta): Remove.
	* libgcov-util.c (__gcov_delta_counter_op): Remove.
	* libgcov.h: Remove declaration of __gcov_merge_delta.

From-SVN: r240524

	* combine.c (simplify_comparison): Add canonical FALLTHROUGH comments.
	* config/i386/i386.c (ix86_dep_by_shift_count_body): Add FALLTHROUGH
	comments.  Remove break after return.
	(ix86_fp_compare_code_to_integer, has_dispatch,
	ix86_simd_clone_usable): Remove break after return.

From-SVN: r240523

	PR fortran/77666
	* trans-openmp.c (gfc_omp_private_outer_ref): Return true even for
	references to allocatable arrays.

	* gfortran.dg/gomp/pr77666.f90: New test.

From-SVN: r240522

2016-09-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR rlt-optimization/77714
        * lra-eliminations.c (eliminate_regs_in_insn): Avoid alias on
        REG_EQUAL note.

From-SVN: r240518

gcc/ChangeLog:

2016-09-27  Kugan Vivekanandarajah  <kuganv@linaro.org>

	PR ipa/77677
	* ipa-prop.c (ipa_compute_jump_functions_for_edge): Use
	extract_range_from_unary_expr to convert value_range.
	* tree-vrp.c (extract_range_from_unary_expr_1): Rename to.
	(extract_range_from_unary_expr): This.
	* tree-vrp.h (extract_range_from_unary_expr): Declare.

gcc/testsuite/ChangeLog:

2016-09-27  Kugan Vivekanandarajah  <kuganv@linaro.org>

	PR ipa/77677
	* gcc.dg/torture/pr77677-2.c: New test.

From-SVN: r240517

LRA likes to use CTR and LR to store CCmode values.  Not such a good
idea.  All other similar patterns disparage using CTR and LR; do so
here, too.


	* config/rs6000/rs6000.md (movcc_internal1): Disparage using CTR or LR.

From-SVN: r240515

From-SVN: r240514

re PR libstdc++/77727 (Unwrapping std::optional constructor is not working for non-transferable object)

    PR libstdc++/77727
    * include/std/optional (optional(const optional<_Up>&)):
    Default-initialize the base and use emplace.
    (optional(optional<_Up>&&)): Likewise.
    * testsuite/20_util/optional/cons/77727.cc: New.

From-SVN: r240511

	* include/debug/safe_base.h
	(_Safe_iterator_base::_M_detach_single): Make public.

From-SVN: r240510

	gcc:
	* config/i386/i386.c (ix86_print_operand)
	[HAVE_AS_IX86_CMOV_SUN_SYNTAX]: Add gcc_fallthrough.
	* config/sparc/sparc.c (check_pic): Add fallthrough comment.
	(epilogue_renumber): Likewise.

	gcc/ada:
	* gcc-interface/decl.c: Fix fall through comment formatting.
	* gcc-interface/misc.c: Likewise.
	* gcc-interface/trans.c: Likewise.
	* gcc-interface/utils.c: Likewise.
	* gcc-interface/utils2.c: Likewise.

From-SVN: r240509

2016-09-26  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77420
	* trans-common.c:  Handle array elements in equivalence when
	the lower and upper bounds of array spec are NULL.
 
2016-09-26  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77420
	* gfortran.dg/pr77420_1.f90: New test.
	* gfortran.dg/pr77420_2.f90: Ditto.
	* gfortran.dg/pr77420_3.f90: New test. Requires ...
	* gfortran.dg/pr77420_4.f90: this file.

From-SVN: r240506

Fix PR77719
gcc/testsuite/ChangeLog:

2016-09-26  Kugan Vivekanandarajah  <kuganv@linaro.org>

	PR middle-end/77719
	* gfortran.dg/pr77719.f90: New test.

gcc/ChangeLog:

2016-09-26  Kugan Vivekanandarajah  <kuganv@linaro.org>

	PR middle-end/77719
	* tree-ssa-reassoc.c (make_new_ssa_for_def): Use gimple_get_lhs to get lhs
	instead of gimple_assign_lhs as stmt can be builtins too.

From-SVN: r240505

2016-09-26  Thomas Preud'homme  <thomas.preudhomme@arm.com>

    gcc/
    * tree.h (memmodel_from_int, memmodel_base, is_mm_relaxed,
    is_mm_consume, is_mm_acquire, is_mm_release, is_mm_acq_rel,
    is_mm_seq_cst, is_mm_sync): Move to ...
    * memmodel.h: This.  New file.
    * builtins.c: Include memmodel.h.
    * optabs.c: Likewise.
    * tsan.c: Likewise.
    * config/aarch64/aarch64.c: Likewise.
    * config/alpha/alpha.c: Likewise.
    * config/arm/arm.c: Likewise.
    * config/i386/i386.c: Likewise.
    * config/ia64/ia64.c: Likewise.
    * config/mips/mips.c: Likewise.
    * config/rs6000/rs6000.c: Likewise.
    * config/sparc/sparc.c: Likewise.
    * genconditions.c: Include memmodel.h in generated file.
    * genemit.c: Likewise.
    * genoutput.c: Likewise.
    * genpeep.c: Likewise.
    * genpreds.c: Likewise.
    * genrecog.c: Likewise.

    gcc/c-family/
    * c-common.c: Include memmodel.h.

From-SVN: r240504

2016-09-26  Thomas Preud'homme  <thomas.preudhomme@arm.com>

gcc/testsuite/
    * gcc.dg/tree-ssa/builtin-sprintf-warn-1.c: Adjust regex to accept
    singular form of byte when quantity is unknown.

From-SVN: r240503

gcc/ChangeLog:
	* read-rtl.c (read_rtx_code): Rename local "i" to "idx", and use
	"c" instead when parsing characters.  Move operand parsing into...
	(read_rtx_operand): ...this new function, renaming "i" to "idx",
	and tightening the scope of various locals.

From-SVN: r240502

2016-09-26  Anton Kolesov  <Anton.Kolesov@synopsys.com>

	* configure.ac: Disable "sim" directory for arc*-*-*.
	* conifgure: Regenerated.

From-SVN: r240501

2016-09-26  LH Mouse  <lh_mouse@126.com>

	* config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Fix typo.

From-SVN: r240500

	* c-lex.c (c_common_has_attribute): Handle attribute fallthrough.

	* system.h: Use __has_attribute to check whether the fallthrough
	attribute is supported.

	* g++.dg/cpp1z/feat-cxx1z.C: Test attribute fallthrough.

From-SVN: r240499

	* ipa-inline-analysis.c (find_foldable_builtin_expect): Use
	gimple_call_internal_p.
	* ipa-split.c (find_return_bb): Likewise.
	(execute_split_functions): Likewise.
	* omp-low.c (dump_oacc_loop_part): Likewise.
	(oacc_loop_xform_head_tail): Likewise.
	* predict.c (predict_loops): Likewise.
	* sanopt.c (pass_sanopt::execute): Likewise.
	* tree-cfg.c (get_abnormal_succ_dispatcher): Likewise.
	* tree-parloops.c (oacc_entry_exit_ok_1): Likewise.
	* tree-stdarg.c (gimple_call_ifn_va_arg_p): Remove function.
	(expand_ifn_va_arg_1): Use gimple_call_internal_p.
	(expand_ifn_va_arg): Likewise.
	* tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
	(optimize_mask_stores): Likewise.
	* tree-vect-stmts.c (vect_simd_lane_linear): Likewise.
	(vect_transform_stmt): Likewise.
	* tree-vectorizer.c (vect_loop_vectorized_call): Likewise.
	* tsan.c (instrument_memory_accesses): Likewise.

From-SVN: r240498

From-SVN: r240497

	* regrename.c (rename_chains): Check
	HARD_FRAME_POINTER_IS_FRAME_POINTER rather than
	HARD_FRAME_POINTER_REGNUM when picking unavailable registers.
	* sel-sched.c (mark_unavailable_hard_regs): Likewise.

Co-Authored-By: Alexander Monakov <amonakov@ispras.ru>

From-SVN: r240496

gcc/ChangeLog:

2016-09-26  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390.c (s390_rtx_costs): Add /* fallthrough */.
	(s390_sched_score): Likewise.

From-SVN: r240495

	* doc/gcov.texi: Update program output of gcov tool.

From-SVN: r240494

2016-09-26  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/48298
	* interface.c (gfc_find_specific_dtio_proc) : Return NULL if
	the derived type is broken, as indicated by a flavor other than
	FL_DERIVED.

From-SVN: r240493

	PR gcov-profile/23332
	* profile.c (instrument_values): Do not handle
	HIST_TYPE_CONST_DELTA.
	* tree-profile.c (gimple_gen_const_delta_profiler):
	Remove.
	* value-prof.c (dump_histogram_value): Do not handle
	HIST_TYPE_CONST_DELTA.
	(stream_in_histogram_value): Likewise.
	(gimple_find_values_to_profile): Likewise.
	* value-prof.h (enum hist_type): Likewise.

From-SVN: r240492

	* common.opt: Exclude SANITIZE_UNREACHABLE and SANITIZE_RETURN
	from default sanitize recover values.
	* doc/invoke.texi: Fix documentation related to -fsanitize=leak,
	-fsanitize=address, -fsanitize=thread and -fsanitize-recover.
	* flag-types.h: Replace couple of 1 << x to 1UL << x, make it
	consistent.
	* opts.c (finish_options): Do a generic loop over options
	that can be recovered.
	(parse_sanitizer_options): Exclude SANITIZE_UNREACHABLE and
	SANITIZE_RETURN.
	(common_handle_option): Likewise.
	* opts.h: Declare can_recover to sanitizer_opts_s.
	* c-c++-common/ubsan/sanitize-recover-1.c: New test.
	* c-c++-common/ubsan/sanitize-recover-2.c: New test.
	* c-c++-common/ubsan/sanitize-recover-3.c: New test.
	* c-c++-common/ubsan/sanitize-recover-4.c: New test.
	* c-c++-common/ubsan/sanitize-recover-5.c: New test.
	* c-c++-common/ubsan/sanitize-recover-6.c: New test.
	* c-c++-common/ubsan/sanitize-recover-7.c: New test.
	* c-c++-common/ubsan/sanitize-recover-8.c: New test.
	* c-c++-common/ubsan/sanitize-recover-9.c: New test.

From-SVN: r240491

2016-09-26  Andre Vieira  <andre.simoesdiasvieira@arm.com>

    * target.def(elf_flags_numeric): Change documentation to
    present tense.
    * doc/tm.texi: Regenerate.

From-SVN: r240490

	* init.c (expand_default_init): Fix } indentation.
	* method.c (process_subob_fn): Simplify control structure to
	remove gotos.
	(implicitly_declare_fn): Remove duplicated lambda ctor check.

From-SVN: r240489

	* include/bits/range_access.h (__cpp_lib_array_constexpr): Do not
	redefine macro defined in <bits/stl_iterator.h>.

From-SVN: r240488

	* include/bits/stl_map.h (map::extract(const_iterator)): Assert that
	iterator is not past-the-end.
	* include/bits/stl_multimap.h (multimap::extract(const_iterator)):
	Likewise.
	* include/bits/stl_multiset.h (multiset::extract(const_iterator)):
	Likewise.
	* include/bits/stl_set.h (set::extract(const_iterator)): Likewise.
	* include/bits/unordered_map.h (unordered_map::extract(const_iterator))
	(unordered_multimap::extract(const_iterator)): Likewise.
	* include/bits/unordered_set.h (unordered_set::extract(const_iterator))
	(unordered_multiset::extract(const_iterator)): Likewise.

From-SVN: r240487

re PR libstdc++/77717 (testsuite/21_strings/basic_string_view/operations/compare/char/1.cc makes undefined memcmp call)

	PR libstdc++/77717
	* testsuite/21_strings/basic_string_view/operations/compare/char/1.cc:
	Fix an out-of-bounds access.

From-SVN: r240486

Co-Authored-By: Jakub Jelinek <jakub@redhat.com>

From-SVN: r240485

2016-09-26  Richard Biener  <rguenther@suse.de>

	* dwarf2out.c (stripattributes): Remove unused function.
	(DEBUG_NORM_MACINFO_SECTION): Rename to DEBUG_MACINFO_SECTION.
	Push dwarf_split_debug_info handling into init_sections_and_labels.
	(DEBUG_NORM_MACRO_SECTION): Likewise to DEBUG_MACRO_SECTION.
	(DEBUG_MACRO_SECTION_FLAGS): Remove.
	(debug_macinfo_section_name): New global.
	(output_macinfo): Use debug_macinfo_section_name.
	(init_sections_and_labels): Split out section and label generation
	from dwarf2out_init.  Set debug_macinfo_section_name.
	(dwarf2out_init): Move text section label generation and emission
	to ...
	(dwarf2out_assembly_start): ... here.
	(dwarf2out_finish): Call init_sections_and_labels before DWARF
	output starts.

From-SVN: r240484

2016-09-26  Richard Biener  <rguenther@suse.de>

	PR debug/77692
	* cgraphunit.c (analyze_functions): Before early removing
	global vars calls the late_global_decl debug handler mark
	the variable as readonly.

From-SVN: r240483

From-SVN: r240482

2016-09-25  François Dumont  <fdumont@gcc.gnu.org>

	* src/c++11/debug.cc: Include debug/vector. Include cctype. Remove
	functional.
	(get_safe_base_mutex): Get mutex based on address lowest non nil bits.
	* testsuite/23_containers/vector/debug/mutex_association.cc: New.

From-SVN: r240479