* constexpr.c (maybe_constant_init): Pull out TARGET_EXPR_INITIAL.

	(cxx_eval_outermost_constant_expr): Don't return a CONSTRUCTOR
	with CONSTRUCTOR_NO_IMPLICIT_ZERO.
	(cxx_eval_call_expression): Clear CONSTRUCTOR_NO_IMPLICIT_ZERO.

From-SVN: r241531

	* tree.h (wi::fits_to_tree_p): Accept only 0 and 1 for boolean types.
	* tree.c (int_fits_type_p): Likewise.  Adjust head comment.

From-SVN: r241529

gcc/testsuite/ChangeLog:

2016-10-25  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/72770
	* gfortran.dg/alloc_comp_class_5.f03: Added test again that caused
	this pr.

gcc/fortran/ChangeLog:

2016-10-25  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/72770
	* class.c (find_intrinsic_vtab): No longer encode the string length
	into vtype's name and use the char's kind for the size instead of
	the string_length time the size.
	* trans-array.c (gfc_conv_ss_descriptor): For deferred length char
	arrays the dynamically sized type needs to be declared.
	(build_class_array_ref): Address the i-th array element by multiplying
	it with the _vptr->_size and the _len to make sure char arrays are
	addressed correctly.
	* trans-expr.c (gfc_conv_intrinsic_to_class): Made comment more
	precise.

From-SVN: r241528

gcc/ChangeLog:
	* ggc-tests.c (forcibly_ggc_collect): Rename to...
	(selftest::forcibly_ggc_collect): ...this, and remove "static".
	(test_basic_struct): Update for above renaming.
	(test_length): Likewise.
	(test_union): Likewise.
	(test_finalization): Likewise.
	(test_deletable_global): Likewise.
	(test_inheritance): Likewise.
	(test_chain_next): Likewise.
	(test_user_struct): Likewise.
	(test_tree_marking): Likewise.
	* selftest-run-tests.c (selftest::run_tests): Call
	selftest::forcibly_ggc_collect at the end of the selftests.
	* selftest.h (selftest::forcibly_ggc_collect): New decl.

From-SVN: r241527

	PR target/78102
	* optabs.def (vcondeq_optab, vec_cmpeq_optab): New optabs.
	* optabs.c (expand_vec_cond_expr): For comparison codes
	EQ_EXPR and NE_EXPR, attempt vcondeq_optab as fallback.
	(expand_vec_cmp_expr): For comparison codes
	EQ_EXPR and NE_EXPR, attempt vec_cmpeq_optab as fallback.
	* optabs-tree.h (expand_vec_cmp_expr_p, expand_vec_cond_expr_p):
	Add enum tree_code argument.
	* optabs-query.h (get_vec_cmp_eq_icode, get_vcond_eq_icode): New
	inline functions.
	* optabs-tree.c (expand_vec_cmp_expr_p): Add CODE argument.  For
	CODE EQ_EXPR or NE_EXPR, attempt to use vec_cmpeq_optab as
	fallback.
	(expand_vec_cond_expr_p): Add CODE argument.  For CODE EQ_EXPR or
	NE_EXPR, attempt to use vcondeq_optab as fallback.
	* tree-vect-generic.c (expand_vector_comparison,
	expand_vector_divmod, expand_vector_condition): Adjust
	expand_vec_cmp_expr_p and expand_vec_cond_expr_p callers.
	* tree-vect-stmts.c (vectorizable_condition,
	vectorizable_comparison): Likewise.
	* tree-vect-patterns.c (vect_recog_mixed_size_cond_pattern,
	check_bool_pattern, search_type_for_mask_1): Likewise.
	* expr.c (do_store_flag): Likewise.
	* doc/md.texi (@code{vec_cmpeq@var{m}@var{n}},
	@code{vcondeq@var{m}@var{n}}): Document.
	* config/i386/sse.md (vec_cmpeqv2div2di, vcondeq<VI8F_128:mode>v2di):
	New expanders.
testsuite/
	* gcc.target/i386/pr78102.c: New test.

From-SVN: r241525

	gcc/fortran/
	* intrinsic.texi (cosd): New mathop.

From-SVN: r241523

	* src/filesystem/ops.cc
	(last_write_time(const path&, file_time_type, error_code&)): Handle
	negative times correctly.
	* testsuite/experimental/filesystem/operations/last_write_time.cc:
	Test writing file times.

From-SVN: r241522

	* src/filesystem/ops.cc (do_copy_file): Report an error if source or
	destination is not a regular file (LWG 2712).
	(equivalent): Fix error handling and result when only one file exists.
	* testsuite/experimental/filesystem/operations/copy.cc: Remove files
	created by tests. Test copying directories.
	* testsuite/experimental/filesystem/operations/copy_file.cc: Remove
	files created by tests.
	* testsuite/experimental/filesystem/operations/equivalent.cc: New.
	* testsuite/experimental/filesystem/operations/is_empty.cc: New.
	* testsuite/experimental/filesystem/operations/read_symlink.cc: Remove
	file created by test.
	* testsuite/experimental/filesystem/operations/remove_all.cc: New.
	* testsuite/util/testsuite_fs.h (~scoped_file): Only try to remove
	file if path is non-empty, to support removal by other means.

From-SVN: r241521

	gcc/fortran/
	* match.c (gfc_match_intrinsic_op): Match ".XOR." with -std=legacy.
	* gfortran.texi: Document.

	gcc/testsuite/gfortran.dg/
	* dec_logical_xor_1.f90: New.
        * dec_logical_xor_2.f90: New.
        * dec_logical_xor_3.f03: New.

From-SVN: r241520

	gcc/fortran/
        * primary.c (gfc_match_rvalue): Match %LOC as LOC with -std=legacy.
        * gfortran.texi: Document.

	gcc/testsuite/gfortran.dg/
	* dec_loc_rval_1.f90: New test.
        * dec_loc_rval_2.f90: New test.
        * dec_loc_rval_3.f90: New test.

From-SVN: r241519

	gcc/fortran/
	* decl.c (gfc_match_type): New function.
	* match.h (gfc_match_type): New function.
	* match.c (gfc_match_if): Special case for one-line IFs.
	* gfortran.texi: Update documentation.
	* parse.c (decode_statement): Invoke gfc_match_type.

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

From-SVN: r241518

	gcc/fortran/
	* gfortran.texi: Document.
	* gfortran.h (gfc_is_whitespace): Include form feed ('\f').

	gcc/testsuite/gfortran.dg/
	* feed_1.f90, feed_2.f90: New testcases.

From-SVN: r241517

	gcc/fortran/
	* invoke.texi, gfortran.texi: Touch up documentation of -fdec.
	* gfortran.h (gfc_option): Move flag_dec_structure out of gfc_option.
	* decl.c (match_record_decl, gfc_match_decl_type_spec,
	gfc_match_structure_decl): Ditto.
	* match.c (gfc_match_member_sep): Ditto.
	* options.c (gfc_handle_option): Ditto.
	* lang.opt (fdec-structure): Use Fortran Var for flag_dec_structure.
	* lang.opt (fdec): Use Fortran Var to create flag_dec.
	* options.c (set_dec_flags): With -fdec enable -fcray-pointer,
	-fd-lines-as-comments (default), -fdollar-ok, and legacy std flags.

From-SVN: r241516

From-SVN: r241515

gcc/go/ChangeLog:
	* go-lang.c (go_langhook_type_for_mode): Remove redundant cast
	from result of GET_MODE_CLASS.  Minor formatting fixes.

From-SVN: r241514

	* config/v850/v850.c (v850_handle_data_area_attribute): Fix fallthru
	comment.
	(v850_output_aligned_bss): Add missing break.

From-SVN: r241513

From-SVN: r241512

	PR sanitizer/78106
	* sanopt.c (imm_dom_path_with_freeing_call): Handle gasm
	statements as they can also contain possibly a freeing call.
	PR sanitizer/78106
	* gcc.dg/asan/pr78106.c: New test.

From-SVN: r241511

	* gcc.dg/ipa/ipa-icf-32.c: Removed one scanned pattern.
	    Martin Liska  <mliska@suse.cz>

	PR ipa/78099
	* common.opt: Mark flag_ipa_icf_variables as Optimization flag.
	* ipa-icf.c (sem_function::get_hash): Add target optimization
	node to hash.

From-SVN: r241510

From-SVN: r241509

With -fpu=neon DI mode shifts are expanded after reload.  DI mode registers can 
either fully or partially overlap on both ARM and Thumb-2.  However the shift
expansion code can only deal with the full overlap case, and generates incorrect
code for partial overlaps.  The fix is to add new variants that support either
full overlap or no overlap.

    gcc/
	PR target/78041
	* config/arm/neon.md (ashldi3_neon): Add "r 0 i" and "&r r i" variants.
	Remove partial overlap check for shift by 1.
	(ashldi3_neon): Likewise.
    testsuite/
	* gcc.target/arm/pr78041.c: New test.

From-SVN: r241508

2016-10-25  Thomas Preud'homme  <thomas.preudhomme@arm.com>

    gcc/
    * config/arm/constraints.md (Q constraint): Document its use for
    Thumb-1.
    (Pf constraint): New constraint for relaxed, consume or relaxed memory
    models.
    * config/arm/sync.md (atomic_load<mode>): Add new ARMv8-M Baseline only
    alternatives to allow any register when memory model matches Pf and
    thus lda is used, but only low registers otherwise.  Use unpredicated
    output template for Thumb-1 targets.
    (atomic_store<mode>): Likewise for stl.
    (arm_load_exclusive<mode>): Add new ARMv8-M Baseline only alternative
    whose output template does not have predication.
    (arm_load_acquire_exclusive<mode>): Likewise.
    (arm_load_exclusivesi): Likewise.
    (arm_load_acquire_exclusivesi): Likewise.
    (arm_store_release_exclusive<mode>): Likewise.
    (arm_store_exclusive<mode>): Use unpredicated output template for
    Thumb-1 targets.

From-SVN: r241507

	* internal-fn.def (LAUNDER): New internal function.
	* internal-fn.c (expand_LAUNDER): New function.
c-family/
	* c-common.h (enum rid): Add RID_BUILTIN_LAUNDER.
	* c-common.c (c_common_reswords): Add __builtin_launder.
cp/
	* cp-tree.h (finish_builtin_launder): Declare.
	* parser.c (cp_parser_postfix_expression): Handle RID_BUILTIN_LAUNDER.
	* semantics.c (finish_builtin_launder): New function.
	* pt.c (tsubst_copy_and_build): Handle instantiation of IFN_LAUNDER.
	* constexpr.c (cxx_eval_internal_function): Handle IFN_LAUNDER.
	(potential_constant_expression_1): Likewise.
testsuite/
	* g++.dg/cpp1z/launder1.C: New test.
	* g++.dg/cpp1z/launder2.C: New test.

From-SVN: r241506

From-SVN: r241505

gcc/
	New avt target pass to work around performance loss by PR fix.
	PR target/71676
	PR target/71678
	* config/avr/avr.md (casesi_<mode>_sequence) [qi,hi]: New insn.
	(*cmp<mode>) [qi,qq,uqq,hi,hq,uhq,ha,uha]: Rename to cmp<mode>3.
	* config/avr/predicates.md (extend_operator): New.
	* config/avr/avr-passes.def (avr_pass_casesi): Register new pass.
	* config/avr/avr-protos.h (avr_casei_sequence_check_operands)
	(make_avr_pass_casesi): New prototypes.
	* config/avr/avr.c (print-rtl.h): Include it.
	(pass_data avr_pass_data_casesi): Data for new pass.
	(avr_pass_casesi): New class implementing rtl_opt_pass .avr-casesi.
	(make_avr_pass_casesi, avr_parallel_insn_from_insns)
	(avr_is_casesi_sequence, avr_casei_sequence_check_operands)
	(avr_optimize_casesi): New functions.
gcc/testsuite/
	PR target/71676
	PR target/71678
	* gcc.target/avr/pr71676-2.c: New test.

From-SVN: r241504

gcc/
	PR target/71676
	PR target/71678
	* config/avr/avr.md (casesi): Rewrite avoiding subregs of SI.
gcc/testsuite/
	PR target/71676
	PR target/71678
	* gcc.target/avr/pr71676-1.c: New test.
	* gcc.target/avr/pr71676-3.c: New test.
	* gcc.target/avr/pr71676.c: New test.
	* gcc.target/avr/pr71678.c: New test.

Co-Authored-By: Pitchumani Sivanupandi <pitchumani.sivanupandi@microchip.com>

From-SVN: r241503

From-SVN: r241502

test_frame_common.h: Add noclone attribute such that cloned verions of tested functions are not created.

gcc/testsuite/ChangeLog:

2016-10-24  Kugan Vivekanandarajah  <kuganvi@linaro.org>

	* gcc.target/aarch64/test_frame_common.h: Add noclone attribute
	such that cloned verions of tested functions are not created.

From-SVN: r241499

re PR libfortran/77828 (Linking gfortran-7 compiled program with libgfortran of 5.x allowed but crashes when containing write to string)

2016-10-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/77828
	* io/io.h (st_parameter_dt): Reorder for readability and sanity.
	* io/transfer.c (data_transfer_init): Remove TODO and enable the
	runtime error message, rec= specifier not allowed in STREAM
	access.
	* libtool-version: Bump major version of libgfortran to 4.

	* ioparm.def: Reorder dt parameters to match libgfortran.
	* libgfortran.h: Swap definitions of GFC_INTERNAL_UNIT and
	GFC_INTERNAL_UNIT4.

From-SVN: r241497

2016-10-24  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/71895
	* interface.c (gfc_compare_derived_types):  Convert gcc_assert()
	to a gfc_internal_error() to prevent an ICE.

2016-10-24  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/71895
	* gfortran.dg/pr71895.f90: New test.

From-SVN: r241493

	* dwarf2out.c (gen_subprogram_die): Add DW_AT_reference or
	DW_AT_rvalue_reference attributes.

	* cp-objcp-common.c (cp_decl_dwarf_attribute): Handle DW_AT_reference
	and DW_AT_rvalue_reference.

	* g++.dg/debug/dwarf2/ref-2.C: New test.

From-SVN: r241492

	PR libgcc/78064
	* unwind-c.c: Include auto-target.h.

From-SVN: r241491

2016-10-24  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * c-common.c (c_common_truthvalue_conversion): Warn for
        multiplications in boolean context.  Fix the quoting of '<<' and '<'
        in the shift warning.

gcc:
2016-10-24  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * doc/invoke.text (Wint-in-bool-context): Update documentation.
        * value-prof.c (stringop_block_profile): Fix a warning.

testsuite:
2016-10-24  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * c-c++-common/Wint-in-bool-context-3.c: New test.

From-SVN: r241490

gcc/ChangeLog:

	PR middle-end/77735
	* builtins.c (string_length): New function.
	(c_strlen): Use string_length.  Correctly handle wide strings.
	* gimple-ssa-sprintf.c (target_max_value, target_size_max): New
	functions.
	(target_int_max): Call target_max_value.
	(format_result::knownrange): New data member.
	(fmtresult::fmtresult): Define default constructor.
	(format_integer): Use it and set format_result::knownrange.
	Handle global constants.
	(format_floating_max): Add third argument.
	(format_floating): Recompute maximum value for %a for each argument.
	(get_string_length): Use fmtresult default ctor.
	(format_string): Set format_result::knownrange.
	(format_directive): Check format_result::knownrange.
	(add_bytes): Same.  Correct caret placement in diagnostics.
	(pass_sprintf_length::compute_format_length): Set
	format_result::knownrange.
	(pass_sprintf_length::handle_gimple_call): Use target_size_max.

gcc/testsuite/ChangeLog:

	PR middle-end/77735
	* gcc.dg/tree-ssa/builtin-sprintf-2.c: Add test cases.
	* gcc.dg/tree-ssa/builtin-sprintf-warn-1.c: Same.
	* gcc.dg/tree-ssa/builtin-sprintf-warn-2.c: Same.
	* gcc.dg/tree-ssa/builtin-sprintf-warn-3.c: Adjust/relax.
	* gcc.dg/tree-ssa/builtin-sprintf-warn-4.c: Add test cases.
	* gcc.dg/tree-ssa/builtin-sprintf-warn-6.c: XFAIL for LP64 only.
	* gcc.dg/tree-ssa/builtin-sprintf.c: Add test cases.

From-SVN: r241489

	* src/filesystem/ops.cc (is_empty): Fix error handling.
	* testsuite/experimental/filesystem/operations/is_empty.cc: New test.

From-SVN: r241488

	PR libstdc++/71337
	* src/filesystem/ops.cc (temp_directory_path): Pass error_code
	argument to other filesystem operations.
	* testsuite/experimental/filesystem/operations/temp_directory_path.cc:
	Add testcase for inaccessible directory.

From-SVN: r241487

	* src/filesystem/dir.cc (open_dir): Return same value for errors
	whether ignored or not.
	(_Dir::advance(error_code*, directory_options)): Return false on
	error.
	(directory_iterator(const path&, directory_options, error_code*)):
	Create end iterator on error (LWG 2723).
	(recursive_directory_iterator(const path&, directory_options,
	error_code*)): Likewise.
	* testsuite/experimental/filesystem/iterators/directory_iterator.cc:
	Update expected behaviour on error.
	* testsuite/experimental/filesystem/iterators/
	recursive_directory_iterator.cc: Likewise.

From-SVN: r241486

	* src/filesystem/ops.cc (close_fd): Remove.
	(do_copy_file): Just use close(3) instead of close_fd, to prevent
	retrying on error.

From-SVN: r241485

	* src/filesystem/ops.cc (do_copy_file): Return an error if either
	source or destination is not a regular file.
	(copy): Update comment to refer to LWG 2681. Implement 2682 and 2683
	resolutions.
	(read_symlink): Add missing ec.clear().
	* testsuite/experimental/filesystem/operations/copy.cc: Update
	expected behaviour for copying directories with create_symlinks.
	Verify that error_code arguments are cleared if there's no error.
	* testsuite/experimental/filesystem/operations/read_symlink.cc: New.

From-SVN: r241484

2016-10-24  Moritz Klammler  <moritz@glammler.eu>

	* download_prerequisites: Conditionally verify checksums of
	downloaded pacakges.  Add help text.
	* prerequisites.md5: New file.
	* prerequisites.sha512: New file.

From-SVN: r241483