* hwint.h (least_bit_hwi, pow2_or_zerop, pow2p_hwi, ctz_or_zero):
	New.
	* hwint.c (exact_log2): Use pow2p_hwi.
	(ctz_hwi, ffs_hwi): Use least_bit_hwi.
	* alias.c (memrefs_conflict_p): Use pow2_or_zerop.
	* builtins.c (get_object_alignment_2, get_object_alignment)
	(get_pointer_alignment, fold_builtin_atomic_always_lock_free): Use
	least_bit_hwi.
	* calls.c (compute_argument_addresses, store_one_arg): Use
	least_bit_hwi.
	* cfgexpand.c (expand_one_stack_var_at): Use least_bit_hwi.
	* combine.c (force_to_mode): Use least_bit_hwi.
	* emit-rtl.c (set_mem_attributes_minus_bitpos, adjust_address_1):
	Use least_bit_hwi.
	* expmed.c (synth_mult, expand_divmod): Use ctz_or_zero, ctz_hwi.
	(init_expmed_one_conv): Use pow2p_hwi.
	* fold-const.c (round_up_loc, round_down_loc): Use pow2_or_zerop.
	(fold_binary_loc): Use pow2p_hwi.
	* function.c (assign_parm_find_stack_rtl): Use least_bit_hwi.
	* gimple-fold.c (gimple_fold_builtin_memory_op): Use pow2p_hwi.
	* gimple-ssa-strength-reduction.c (replace_ref): Use least_bit_hwi.
	* hsa-gen.c (gen_hsa_addr_with_align, hsa_bitmemref_alignment):
	Use least_bit_hwi.
	* ipa-cp.c (ipcp_alignment_lattice::meet_with_1): Use least_bit_hwi.
	* ipa-prop.c (ipa_modify_call_arguments): Use least_bit_hwi.
	* omp-low.c (oacc_loop_fixed_partitions)
	(oacc_loop_auto_partitions): Use least_bit_hwi.
	* rtlanal.c (nonzero_bits1): Use ctz_or_zero.
	* stor-layout.c (place_field): Use least_bit_hwi.
	* tree-pretty-print.c (dump_generic_node): Use pow2p_hwi.
	* tree-sra.c (build_ref_for_offset): Use least_bit_hwi.
	* tree-ssa-ccp.c (ccp_finalize): Use least_bit_hwi.
	* tree-ssa-math-opts.c (bswap_replace): Use least_bit_hwi.
	* tree-ssa-strlen.c (handle_builtin_memcmp): Use pow2p_hwi.
	* tree-vect-data-refs.c (vect_analyze_group_access_1)
	(vect_grouped_store_supported, vect_grouped_load_supported)
	(vect_permute_load_chain, vect_shift_permute_load_chain)
	(vect_transform_grouped_load): Use pow2p_hwi.
	* tree-vect-generic.c (expand_vector_divmod): Use ctz_or_zero.
	* tree-vect-patterns.c (vect_recog_divmod_pattern): Use ctz_or_zero.
	* tree-vect-stmts.c (vectorizable_mask_load_store): Use
	least_bit_hwi.
	* tsan.c (instrument_expr): Use least_bit_hwi.
	* var-tracking.c (negative_power_of_two_p): Use pow2_or_zerop.

From-SVN: r240194

	PR libgcc/71744
	* unwind-dw2-fde.c (ATOMIC_FDE_FAST_PATH): Define if __register_frame*
	is not the primary registry and atomics are available.
	(any_objects_registered): New variable.
	(__register_frame_info_bases, __register_frame_info_table_bases):
	Atomically store 1 to any_objects_registered after registering first
	unwind info.
	(_Unwind_Find_FDE): Return early if any_objects_registered is 0.

From-SVN: r240193

2016-09-16  Jonathan Wakely  <jwakely@redhat.com>
	    Marc Glisse  <marc.glisse@inria.fr>

	* libsupc++/new_opa.cc [_GLIBCXX_HAVE_ALIGNED_ALLOC]
	(operator new(size_t, align_val_t)): Replace modulus operator with
	mask.

Co-Authored-By: Marc Glisse <marc.glisse@inria.fr>

From-SVN: r240192

2016-09-16  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77612
	* decl.c (char_len_param_value): Check parent namespace for 
	seen_implicit_none.


2016-09-16  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77612
	* gfortran.dg/pr77612.f90: New test.

From-SVN: r240191

	* libsupc++/new_opa.cc [_GLIBCXX_HAVE_POSIX_MEMALIGN] (aligned_alloc):
	Increase alignment if less than sizeof(void*).
	[_GLIBCXX_HAVE_ALIGNED_ALLOC] (operator new(size_t, align_val_t)):
	Increase size if not a multiple of alignment.

From-SVN: r240187

The test has integer literals that only fit on a target with int size 32+.

gcc/testsuite/

2016-09-16  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

	* gcc.dg/torture/pr70421.c: Require int32plus.

From-SVN: r240186

From-SVN: r240185

	* config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Use parameter
	OFFSET, not offset.
	* config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Likewise.

From-SVN: r240176

	PR middle-end/77475
	* gcc.target/i386/pr65990.c: Adjust dg-error regexp.

From-SVN: r240175

re PR target/77526 (ICE: in verify_dominators, at dominance.c:1039 with -mstringop-strategy=byte_loop)

	PR target/77526
	* combine.c (rest_of_handle_combine): If any edges have been purged,
	free dominators if available.

	* gcc.target/i386/pr77526.c: New test.

From-SVN: r240174

	PR middle-end/77594
	* internal-fn.c (expand_arith_overflow) <case MINUS_EXPR>: Don't fall
	through into expand_addsub_overflow after expand_neg_overflow.

	* gcc.target/i386/pr77594.c: New test.

Co-Authored-By: Eric Botcazou <ebotcazou@adacore.com>

From-SVN: r240173

From-SVN: r240172

I hope to implement newline support within fix-it hints at some point,
but currently it's not supported, and leads to misleading diagnostic
output, so for now, fail gracefully.

gcc/ChangeLog:
	* diagnostic-show-locus.c
	(selftest::test_fixit_insert_containing_newline): New function.
	(selftest::test_fixit_replace_containing_newline): New function.
	(selftest::diagnostic_show_locus_c_tests): Call the above.

libcpp/ChangeLog:
	* include/line-map.h (class rich_location): Note that newlines
	aren't supported in fix-it text.
	* line-map.c (rich_location::add_fixit_insert_before): Reject
	attempts to add fix-its containing newlines.
	(rich_location::add_fixit_replace): Likewise.

From-SVN: r240169

2016-09-15  Louis Krupp  <louis.krupp@zoho.com>
	PR fortran/69963
	* parse.c (reject_statement): Clear charlen pointers in implicit
	character typespecs before those charlen structures are freed.

2016-09-15  Louis Krupp  <louis.krupp@zoho.com>

	PR fortran/69963
	* gfortran.dg/misplaced_implicit_character.f90: New test.

From-SVN: r240168

	* c-common.c (check_cxx_fundamental_alignment_constraints): Check
	DECL_EXTERNAL.

From-SVN: r240167

	PR tree-optimization/77503
	* tree-vect-loop.c (vectorizable_reduction): Record reduction
	code for CONST_COND_REDUCTION at analysis stage and use it at
	transform stage.
	* tree-vectorizer.h (struct _stmt_vec_info): New field.
	(STMT_VINFO_VEC_CONST_COND_REDUC_CODE): New macro.
	* tree-vect-stmts.c (new_stmt_vec_info): Initialize above new
	field.

	gcc/testsuite
	* gcc.dg/vect/pr77503.c: New test.

From-SVN: r240166

2016-09-15  Richard Biener  <rguenther@suse.de>

	PR middle-end/77544
	* fold-const.c (split_tree): Do not split constant ~X.

	* c-c++-common/torture/pr77544.c: New testcase.

From-SVN: r240164

	PR rtl-optimization/77425
	* sched-int.h (sd_iterator_cond): Don't update it_ptr->linkp if list
	is NULL.

From-SVN: r240163

	PR middle-end/77475
	* config/i386/i386.c (ix86_parse_stringop_strategy_string): Simplify,
	use %qs instead of %s where desirable, use argument instead of arg in
	the diagnostic wording, add list of supported strategies and
	spellcheck hint.
	(ix86_option_override_internal): Emit target("m...") instead of
	option("m...") in the diagnostic.  Use %qs instead of %s in invalid
	-march/-mtune option diagnostic.  Add list of supported arches/tunings
	and spellcheck hint.  Remove prefix, suffix and sw variables, use
	main_args_p ? "..." : "..." in diagnostics to make translation
	possible.

	* gcc.target/i386/pr65990.c: Adjust expected diagnostics.
	* gcc.dg/march-generic.c: Likewise.
	* gcc.target/i386/spellcheck-options-1.c: New test.
	* gcc.target/i386/spellcheck-options-2.c: New test.
	* gcc.target/i386/spellcheck-options-3.c: New test.
	* gcc.target/i386/spellcheck-options-4.c: New test.

From-SVN: r240162

	* doc/xml/manual/debug_mode.xml: Minor editorial fixes.
	* doc/html/*: Regenerate.

From-SVN: r240161

	* testsuite/23_containers/vector/debug/insert6_neg.cc: Remove
	-Wno-deprecated.
	* testsuite/util/debug/checks.h (generate_unique<bool>): Specialize.

From-SVN: r240160

From-SVN: r240159

2016-09-15  Richard Biener  <rguenther@suse.de>

	* dwarf2asm.h (dw2_asm_output_offset): Add overload with
	extra offset argument.
	* dwarf2asm.c (dw2_asm_output_offset): Implement that.
	* doc/tm.texi.in (ASM_OUTPUT_DWARF_OFFSET): Adjust documentation
	to reflect new offset parameter.
	* doc/tm.texi: Regenerate.
	* config/darwin.h (ASM_OUTPUT_DWARF_OFFSET): Adjust.
	* config/darwin-protos.h (darwin_asm_output_dwarf_delta): Add
	offset argument.
	(darwin_asm_output_dwarf_offset): Likewise.
	* config/darwin.c (darwin_asm_output_dwarf_delta): Add offset
	argument.
	(darwin_asm_output_dwarf_offset): Pass offset argument through.
	* config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Adjust.
	* config/i386/cygmin.h (ASM_OUTPUT_DWARF_OFFSET): Likewise.

From-SVN: r240158

	* testsuite/23_containers/vector/debug/insert6_neg.cc: Remove
	-Wno-deprecated.
	* testsuite/util/debug/checks.h (generate_unique<bool>): Specialize.

From-SVN: r240157

2016-09-15  Chung-Lin Tang  <cltang@codesourcery.com>

	PR fortran/72743
	* ipa-icf.c (set_alias_uids): New function.
	(sem_variable::merge): Use set_alias_uids to set DECL_PT_UID of
	all the merged variable's referring aliases.

	testsuite/
	* gfortran.dg/goacc/pr72743.f90: New test.

From-SVN: r240155

2016-09-15  Richard Biener  <rguenther@suse.de>

	* gcc.dg/fold-reassoc-2.c: Fix dump scan.

From-SVN: r240154

2016-09-15  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/77514
	* tree-ssa-pre.c (create_expression_by_pieces): Handle garbage
	only forced_stmts sequence.

	* gcc.dg/torture/pr77514.c: New testcase.

From-SVN: r240153

Iterator to visit SSA
gcc/ChangeLog:

2016-09-15  Kugan Vivekanandarajah  <kuganv@linaro.org>

	* tree-ssanames.h (FOR_EACH_SSA_NAME): New.
	* cfgexpand.c (update_alias_info_with_stack_vars): Use
	FOR_EACH_SSA_NAME to iterate over SSA variables.
	(pass_expand::execute): Likewise.
	* omp-simd-clone.c (ipa_simd_modify_function_body): Likewise.
	* tree-cfg.c (dump_function_to_file): Likewise.
	* tree-into-ssa.c (pass_build_ssa::execute): Likewise.
	(update_ssa): Likewise.
	* tree-ssa-alias.c (dump_alias_info): Likewise.
	* tree-ssa-ccp.c (ccp_finalize): Likewise.
	* tree-ssa-coalesce.c (build_ssa_conflict_graph): Likewise.
	(create_outofssa_var_map): Likewise.
	(coalesce_ssa_name): Likewise.
	* tree-ssa-operands.c (dump_immediate_uses): Likewise.
	* tree-ssa-pre.c (compute_avail): Likewise.
	* tree-ssa-sccvn.c (init_scc_vn): Likewise.
	(scc_vn_restore_ssa_info): Likewise.
	(free_scc_vn): Likwise.
	(run_scc_vn): Likewise.
	* tree-ssa-structalias.c (compute_points_to_sets): Likewise.
	* tree-ssa-ter.c (new_temp_expr_table): Likewise.
	* tree-ssa-copy.c (fini_copy_prop): Likewise.
	* tree-ssa.c (verify_ssa): Likewise.

From-SVN: r240152

From-SVN: r240151

	PR c++/77549
	* name-lookup.c (consider_binding_level): Look through TREE_LIST
	and OVERLOAD.

	* g++.dg/lookup/pr77549.C: New test.

From-SVN: r240148

    
    Reviewed-on: https://go-review.googlesource.com/29154

From-SVN: r240146

gcc/
	* config.gcc (mips*-mti-elf*, mips*-mti-linux*): Set mips32r2
	and mips64r2 as default 32-bit and 64-bit architectures.
	(mips*-img-elf*, mips*-img-linux*): Set mips32r6 and mips64r6
	as default 32-bit and 64-bit architectures.

From-SVN: r240145

2016-09-14  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * simplify.c (gfc_simplify_repeat): Fix a misplaced closing ')'.

From-SVN: r240142

	* typeck.c (cp_build_unary_op): Diagnose incrementing boolean
	expressions.  Tweak an error message.

	* c-c++-common/gomp/atomic-12.c: Use -Wno-deprecated.
	* c-c++-common/gomp/atomic-13.c: Likewise.
	* c-c++-common/gomp/atomic-14.c: Likewise.
	* g++.dg/cpp1y/lambda-init11.C: Remove invalid code.
	* g++.dg/cpp1z/bool-increment1.C: New test.
	* c-c++-common/pr60439.c: Add dg-warning.
	* g++.dg/expr/bitfield4.C: Likewise.
	* g++.dg/expr/bitfield5.C: Likewise.
	* g++.dg/expr/bitfield6.C: Likewise.
	* g++.dg/expr/bool1.C: Likewise.
	* g++.dg/expr/bool3.C: Likewise.
	* g++.dg/expr/lval3.C: Likewise.
	* g++.dg/expr/lval4.C: Likewise.
	* g++.old-deja/g++.jason/bool5.C: Likewise.
	* g++.dg/expr/bitfield3.C: Adjust dg-error.
	* g++.dg/other/error18.C: Likewise.
	* g++.dg/gomp/atomic-14.C: Likewise.
libgomp/
	* testsuite/libgomp.c++/atomic-3.C: Use -Wno-deprecated.
libstdc++-v3/
	* testsuite/23_containers/vector/debug/insert6_neg.cc: Use
	-Wno-deprecated.

From-SVN: r240141

	* loop-unroll.c (unroll_loop_runtime_iterations): Set probability of succ edge.

From-SVN: r240140

	* c-common.c (check_cxx_fundamental_alignment_constraints): Don't
	limit FIELD_DECL, either.

From-SVN: r240139

re PR c++/77539 (gcc-5/6: comparison of array to nullptr failure in constexpr (fixed by r235506 on trunk))

	PR c++/77539
	* g++.dg/cpp1y/pr77539.C: New.

From-SVN: r240138

	* c-common.c (c_common_truthvalue_conversion): Use false instead of 0.
	* c-common.h (build_unary_op): Change nonconvert parameter type to bool.
	* c-omp.c (c_finish_omp_atomic): Use false instead of 0.

	* c-array-notation.c (create_cmp_incr): Use false instead of 0.
	(fix_array_notation_expr): Likewise.
	* c-decl.c (finish_decl): Likewise.
	* c-parser.c (c_parser_postfix_expression_after_primary): Likewise.
	* c-typeck.c (array_to_pointer_conversion): Use true instead of 1.
	(function_to_pointer_conversion): Use false instead of 0.
	(convert_lvalue_to_rvalue): Likewise.
	(parser_build_unary_op): Likewise.
	(build_atomic_assign): Likewise.
	(build_unary_op): Change nonconvert parameter type to bool, use
	true/false instead of 1/0.
	(build_binary_op): Use true instead of 1.

	* cp-tree.h (cp_build_unary_op): Change nonconvert parameter type to
	bool.
	* decl2.c (one_static_initialization_or_destruction): Use true instead
	of 1.
	* init.c (build_vec_init): Use false instead of 0.
	* pt.c (tsubst_copy_and_build): Likewise.
	* semantics.c (simplify_loop_decl_cond): Likewise.
	* typeck.c (rationalize_conditional_expr): Likewise.
	(cp_build_binary_op): Use true instead of 1.
	(cp_build_unary_op): Change nonconvert parameter type to bool.  Use true
	instead of 1.
	(build_unary_op): Change nonconvert parameter type to bool.
	(unary_complex_lvalue): Use false instead of 0.

From-SVN: r240137

libstdc++-v3/ChangeLog:

2016-09-14  Christophe Lyon  <christophe.lyon@linaro.org>

	* testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
	Move dg-do directive before dg-skip.
	* testsuite/21_strings/debug/iterator_self_move_assign_neg.cc:
	Move dg-do directive before dg-require.
	* testsuite/21_strings/debug/self_move_assign_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/57779_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/60587_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/assign1_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/assign2_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/assign3_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/construct1_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/construct2_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/construct3_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/insert1_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/insert2_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/insert3_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/insert5_neg.cc: Likewise.
	* testsuite/25_algorithms/lower_bound/debug/irreflexive.cc: Likewise.
	* testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
	Likewise.
	* testsuite/25_algorithms/pop_heap/empty2_neg.cc: Likewise.
	* testsuite/25_algorithms/pop_heap/empty_neg.cc: Likewise.
	* testsuite/27_io/objects/char/12048-5.cc: Likewise.
	* testsuite/ext/special_functions/conf_hyperg/check_nan.cc: Likewise.
	* testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.

gcc/testsuite/ChangeLog:

2016-09-14  Christophe Lyon  <christophe.lyon@linaro.org>

	* g++.dg/cpp0x/lambda/lambda-mangle.C: Move dg-do directive before
	dg-require.
	* g++.dg/ext/builtin_alloca.C: Likewise.
	* g++.dg/template/spec35.C: Likewise.
	* gcc.dg/builtins-68.c: Likewise.
	* gcc.misc-tests/gcov-13.c: Likewise.
	* gcc.misc-tests/gcov-14.c: Likewise.

From-SVN: r240135

2016-09-13  Jim MacArthur  <jim.macarthur@codethink.co.uk>

	* gcc/testsuite/gfortran.dg/dec_structure_14.f90: New testcase.

From-SVN: r240134