gcc/c-family/ChangeLog:

	PR c++/80560
	* c.opt (-Wclass-memaccess): New option.

gcc/cp/ChangeLog:

	PR c++/80560
	* call.c (first_non_public_field, maybe_warn_class_memaccess): New
	functions.
	(has_trivial_copy_assign_p, has_trivial_copy_p): Ditto.
	(build_cxx_call): Call maybe_warn_class_memaccess.

gcc/ChangeLog:

	PR c++/80560
	* dumpfile.c (dump_register): Avoid calling memset to initialize
	a class with a default ctor.
	* gcc.c (struct compiler): Remove const qualification.
	* genattrtab.c (gen_insn_reserv): Replace memset with initialization.
	* hash-table.h: Ditto.
	* ipa-cp.c (allocate_and_init_ipcp_value): Replace memset with
	  assignment.
	* ipa-prop.c (ipa_free_edge_args_substructures): Ditto.
	* omp-low.c (lower_omp_ordered_clauses): Replace memset with
	default ctor.
	* params.h (struct param_info): Make struct members non-const.
	* tree-switch-conversion.c (emit_case_bit_tests): Replace memset
	with default initialization.
	* vec.h (vec_copy_construct, vec_default_construct): New helper
	functions.
	(vec<T>::copy, vec<T>::splice, vec<T>::reserve): Replace memcpy
	with vec_copy_construct.
	(vect<T>::quick_grow_cleared): Replace memset with default ctor.
	(vect<T>::vec_safe_grow_cleared, vec_safe_grow_cleared): Same.
	* doc/invoke.texi (-Wclass-memaccess): Document.

libcpp/ChangeLog:

	PR c++/80560
	* line-map.c (line_maps::~line_maps): Avoid calling htab_delete
	with a null pointer.
	(linemap_init): Avoid calling memset on an object of a non-trivial
	type.

libitm/ChangeLog:

	PR c++/80560
	* beginend.cc (GTM::gtm_thread::rollback): Avoid calling memset
	on an object of a non-trivial type.
	(GTM::gtm_transaction_cp::commit): Use assignment instead of memcpy
	to copy an object.
	* method-ml.cc (orec_iterator::reinit): Avoid -Wclass-memaccess.

gcc/testsuite/ChangeLog:

	PR c++/80560
	* g++.dg/Wclass-memaccess.C: New test.

From-SVN: r249234

2017-06-13  Martin Liska  <mliska@suse.cz>

	PR sanitize/78204
	* c-c++-common/ubsan/attrib-2.c (float_cast2): Enhance the
	test by adding no_sanitize attribute.
	* gcc.dg/asan/use-after-scope-4.c: Likewise.
2017-06-13  Martin Liska  <mliska@suse.cz>

	PR sanitize/78204
	* c-attribs.c (add_no_sanitize_value): New function.
	(handle_no_sanitize_attribute): Likewise.
	(handle_no_sanitize_address_attribute): Use the function.
	(handle_no_sanitize_thread_attribute): New function.
	(handle_no_address_safety_analysis_attribute): Use
	add_no_sanitize_value.
	(handle_no_sanitize_undefined_attribute): Likewise.
	* c-common.h: Declare new functions.
	* c-ubsan.c (ubsan_instrument_division): Use sanitize_flags_p.
	(ubsan_instrument_shift): Likewise.
	(ubsan_instrument_bounds): Likewise.
	(ubsan_maybe_instrument_array_ref): Likewise.
	(ubsan_maybe_instrument_reference_or_call): Likewise.
2017-06-13  Martin Liska  <mliska@suse.cz>

	PR sanitize/78204
	* asan.c (asan_sanitize_stack_p): Use sanitize_flags_p.
	(gate_asan): Likewise.
	* asan.h (asan_no_sanitize_address_p): Remove the function.
	(sanitize_flags_p): New function.
	* builtins.def: Fix coding style.
	* common.opt: Use renamed enum value.
	* convert.c (convert_to_integer_1): Use sanitize_flags_p.
	* doc/extend.texi: Document no_sanitize attribute.
	* flag-types.h (enum sanitize_code): Rename SANITIZE_NONDEFAULT
	to SANITIZE_UNDEFINED_NONDEFAULT.
	* gcc.c (sanitize_spec_function): Use the renamed enum value.
	* gimple-fold.c (optimize_atomic_compare_exchange_p):
	Use sanitize_flags_p.
	* gimplify.c (gimplify_function_tree): Likewise.
	* ipa-inline.c (sanitize_attrs_match_for_inline_p): Likewise.
	* opts.c (parse_no_sanitize_attribute): New function.
	(common_handle_option): Use renamed enum value.
	* opts.h (parse_no_sanitize_attribute): Declare.
	* tree.c (sanitize_flags_p): New function.
	* tree.h: Declared here.
	* tsan.c: Use sanitize_flags_p.
	* ubsan.c (ubsan_expand_null_ifn): Likewise.
	(instrument_mem_ref): Likewise.
	(instrument_bool_enum_load): Likewise.
	(do_ubsan_in_current_function): Remove the function.
	(pass_ubsan::execute): Use sanitize_flags_p.
	* ubsan.h: Remove do_ubsan_in_current_function
	* tree-cfg.c (print_no_sanitize_attr_value): New function.
	(dump_function_to_file): Use it here.
2017-06-13  Martin Liska  <mliska@suse.cz>

	PR sanitize/78204
	* class.c (build_base_path): Use sanitize_flags_p.
	* cp-gimplify.c (cp_genericize_r): Likewise.
	(cp_genericize_tree): Likewise.
	(cp_genericize): Likewise.
	* cp-ubsan.c (cp_ubsan_instrument_vptr_p): Likewise.
	* decl.c (compute_array_index_type): Likewise.
	(start_preparsed_function): Likewise.
	* decl2.c (one_static_initialization_or_destruction): Likewise.
	* init.c (finish_length_check): Likewise.
	* lambda.c (maybe_add_lambda_conv_op): Likewise.
	* typeck.c (cp_build_binary_op): Likewise.
	(build_static_cast_1): Likewise.
2017-06-13  Martin Liska  <mliska@suse.cz>

	PR sanitize/78204
	* c-convert.c (convert): Use sanitize_flags_p.
	* c-decl.c (grokdeclarator): Likewise.
	* c-typeck.c (convert_for_assignment): Likewise.
	(c_finish_return): Likewise.
	(build_binary_op): Likewise.

From-SVN: r249158

2017-05-15  Martin Liska  <mliska@suse.cz>

	PR driver/31468
	* gcc.c (process_command): Do not allow empty argument of -o option.

From-SVN: r248060

2017-05-03  Jeff Downs  <heydowns@somuchpressure.net>
	    Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* gcc.c (handle_braces): Support escaping in switch matching
	text.
	* doc/invoke.texi (Spec Files): Document it.
	Remove superfluous @code markup in items.

Co-Authored-By: Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>

From-SVN: r247552

	PR other/79046
	* configure: Regenerated.
config/
	* acx.m4 (GCC_BASE_VER): New m4 function.
	(ACX_TOOL_DIRS): Require GCC_BASE_VER, for
	--with-gcc-major-version-only use just major number from BASE-VER.
gcc/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
	version from BASE-VER file.
	(CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
	(gcc.o): Depend on $(BASEVER).
	* common.opt (dumpfullversion): New option.
	* gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
	* doc/invoke.texi: Document -dumpfullversion.
	* doc/install.texi: Document --with-gcc-major-version-only.
	* configure: Regenerated.
libatomic/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* testsuite/Makefile.in: Regenerated.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
libgomp/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* testsuite/Makefile.in: Regenerated.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
libgcc/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
	version from BASE-VER file.
	* configure: Regenerated.
libssp/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
liboffloadmic/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* aclocal.m4: Include ../config/acx.m4.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
libquadmath/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
libmpx/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
libada/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
	version from BASE-VER file.
	* configure: Regenerated.
lto-plugin/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
libitm/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* testsuite/Makefile.in: Regenerated.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
fixincludes/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.in (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* configure: Regenerated.
libcilkrts/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* aclocal.m4: Include ../config/acx.m4.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
libcc1/
	* configure.ac: Add GCC_BASE_VER.  For --with-gcc-major-version-only
	use just major number from BASE-VER.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
libobjc/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.in (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* configure: Regenerated.
libstdc++-v3/
	* configure.ac: Add GCC_BASE_VER.
	* fragment.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* po/Makefile.in: Regenerated.
	* libsupc++/Makefile.in: Regenerated.
	* testsuite/Makefile.in: Regenerated.
	* src/Makefile.in: Regenerated.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
	* include/Makefile.in: Regenerated.
	* doc/Makefile.in: Regenerated.
	* python/Makefile.in: Regenerated.
	* src/c++11/Makefile.in: Regenerated.
	* src/c++98/Makefile.in: Regenerated.
	* src/filesystem/Makefile.in: Regenerated.
libvtv/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* testsuite/Makefile.in: Regenerated.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
libsanitizer/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* libbacktrace/Makefile.in: Regenerated.
	* interception/Makefile.in: Regenerated.
	* asan/Makefile.in: Regenerated.
	* ubsan/Makefile.in: Regenerated.
	* configure: Regenerated.
	* sanitizer_common/Makefile.in: Regenerated.
	* lsan/Makefile.in: Regenerated.
	* Makefile.in: Regenerated.
	* tsan/Makefile.in: Regenerated.
libgfortran/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* configure: Regenerated.
	* Makefile.in: Regenerated.

From-SVN: r244521

	PR driver/49726
	* gcc.c (debug_level_greater_than_spec_func): New function.
	(static_spec_functions): Add debug-level-gt spec function.
	(ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
	!g0.
	* config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
	* config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
	* common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
	gpubnames, ggnu-pubnames, gno-record-gcc-switches,
	grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
	gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
c-family/
	* c.opt (gen-decls): Add Driver flag.
ada/
	* gcc-interface/lang.opt (gant, gnatO, gnat): Add Driver flag.

From-SVN: r244505

re PR c++/72813 (atomic header cannot be compiled into translation unit with -fkeep-inline-functions)

	PR c++/72813
	* gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
	of c-header.

	* c-decl.c (pop_file_scope): Set flag_syntax_only to 1 after writing
	PCH file.

	* decl2.c (c_parse_final_cleanups): Set flag_syntax_only to 1 after
	writing PCH file.

From-SVN: r244328

2017-01-09  Martin Liska  <mliska@suse.cz>

	PR pch/78970
	* gcc.c (driver_handle_option): Handle OPT_E and set
	have_E.
	(lookup_compiler): Do not show error message with have_E.

From-SVN: r244227

2017-01-05  Martin Liska  <mliska@suse.cz>

	PR pch/78970
	* c-opts.c (c_common_post_options): Reject '-' filename for a precompiled
	header.
2017-01-05  Martin Liska  <mliska@suse.cz>

	PR pch/78970
	* gcc.c (lookup_compiler): Reject '-' filename for a precompiled
	header.

From-SVN: r244103

From-SVN: r243994

gcc/
	* gcc.c (process_command): Update copyright notice dates.
	* gcov-dump.c (print_version): Ditto.
	* gcov.c (print_version): Ditto.
	* gcov-tool.c (print_version): Ditto.
	* gengtype.c (create_file): Ditto.
	* doc/cpp.texi: Bump @copying's copyright year.
	* doc/cppinternals.texi: Ditto.
	* doc/gcc.texi: Ditto.
	* doc/gccint.texi: Ditto.
	* doc/gcov.texi: Ditto.
	* doc/install.texi: Ditto.
	* doc/invoke.texi: Ditto.
gcc/fortran/
	* gfortranspec.c (lang_specific_driver): Update copyright notice
	dates.
	* gfc-internals.texi: Bump @copying's copyright year.
	* gfortran.texi: Ditto.
	* intrinsic.texi: Ditto.
	* invoke.texi: Ditto.
gcc/ada/
	* gnat_ugn.texi: Bump @copying's copyright year.
	* gnat_rm.texi: Likewise.
gcc/go/
	* gccgo.texi: Bump @copyrights-go year.
libitm/
	* libitm.texi: Bump @copying's copyright year.
libgomp/
	* libgomp.texi: Bump @copying's copyright year.
libquadmath/
	* libquadmath.texi: Bump @copying's copyright year.

From-SVN: r243992

	PR driver/78863
	* gcc.c (driver::build_option_suggestions): Do not add
	-fsanitize=all as a suggestion candidate.
	PR driver/78863
	* gcc.dg/spellcheck-options-13.c: New test.

From-SVN: r243857

	PR bootstrap/78069
	* common.opt: Add prefer-atomic as a new enum value for
	-fprofile-update.
	* coretypes.h: Likewise.
	* doc/invoke.texi: Document the new option value.
	* gcc.c: Replace atomic with prefer-atomic.  Remove warning.
	* tree-profile.c (tree_profiling): Select default value
	of -fprofile-update when 'prefer-atomic' is selected.
	PR bootstrap/78069
	* gcc.dg/no_profile_instrument_function-attr-1.c: Update test
	to match scanned pattern.
	* gcc.dg/tree-ssa/ssa-lim-11.c: Likewise.

From-SVN: r242386

	* gcc.c: Set -fprofile-update=atomic when profiling is
	enabled and -pthread is set.  Warn when one combines
	-pthread and -fprofile-update=single for an app using
	profiling code.

From-SVN: r240828

       PR other/31566
        * gcc.c (process_command): For @filename handling, output
        the correct name if the file does not exist.

From-SVN: r240669

	PR driver/72765
	* gcc.c (do_spec_1): Call save_string with the right size.
	(save_string): Do an assert about string we copy.

From-SVN: r239475

Irrespective of the use of -o this so far resulted in "error: output
filename specified twice", since cc1_options already produces a -o
option when -S was specified.

gcc/
2016-07-04  Jan Beulich  <jbeulich@suse.com>

	* gcc.c (default_compilers["@c-header"]): Conditionalize "-o".

gcc/cp/
2016-07-04  Jan Beulich  <jbeulich@suse.com>

	* lang-specs.h ("@c++-header"): Conditionalize "-o".

gcc/testsuite/
2016-07-04  Jan Beulich  <jbeulich@suse.com>

	* g++.dg/header.c: New.
	* gcc.dg/header.c: New.

From-SVN: r237955

gcc/ChangeLog:
	PR driver/71651
	* gcc.c (driver::build_option_suggestions): Pass "option" to
	add_misspelling_candidates.
	* opts-common.c (add_misspelling_candidates): Add "option" param;
	use it to avoid adding negated forms for options marked with
	RejectNegative.
	* opts.h (add_misspelling_candidates): Add "option" param.

gcc/testsuite/ChangeLog:
	PR driver/71651
	* gcc.dg/spellcheck-options-12.c: New test case.

From-SVN: r237880

gcc/c-family/ChangeLog:

2016-05-13  Eduard Sanou  <dhole@openmailbox.org>

	* c-common.c (get_source_date_epoch): Rename to
	cb_get_source_date_epoch.
	* c-common.c (cb_get_source_date_epoch): Use a single generic erorr
	message when the parsing fails.  Use error_at instead of fatal_error.
	* c-common.h (get_source_date_epoch): Rename to
	cb_get_source_date_epoch.
	* c-common.h (cb_get_source_date_epoch): Prototype.
	* c-common.h (MAX_SOURCE_DATE_EPOCH): Define.
	* c-common.h (c_omp_region_type): Remove trailing comma.
	* c-lex.c (init_c_lex): Set cb->get_source_date_epoch callback.
	* c-lex.c (c_lex_with_flags): Remove initialization of
	pfile->source_date_epoch.

gcc/ChangeLog:

2016-05-13  Eduard Sanou  <dhole@openmailbox.org>

	* doc/cppenv.texi: Note that the `%s` in `date` is a non-standard
	extension.
	* gcc.c (driver_handle_option): Call set_source_date_epoch_envvar.
	* gcc.c (set_source_date_epoch_envvar): New function, sets
	the SOURCE_DATE_EPOCH environment variable to the current time.

gcc/testsuite/ChangeLog:

2016-05-13  Eduard Sanou  <dhole@openmailbox.org>

	* gcc.dg/cpp/source_date_epoch-1.c: New file, test the proper
	behaviour of the macros __DATE__ and __TIME__ when SOURCE_DATE_EPOCH
	env var is set.
	* gcc.dg/cpp/source_date_epoch-2.c: New file, test the error output
	when parsing the SOURCE_DATE_EPOCH env var, and make sure it is only
	shown once.
	* lib/gcc-dg.exp (dg-set-compiler-env-var): New function, set env vars
	during compilation.
	* lib/gcc-dg.exp (restore-compiler-env-var): New function, restore env
	vars set by dg-set-compiler-env-var.

libcpp/ChangeLog:

2016-05-13  Eduard Sanou  <dhole@openmailbox.org>

	* include/cpplib.h (cpp_callbacks): Add get_source_date_epoch
	callback.
	* include/cpplib.h (cpp_init_source_date_epoch): Remove prototype.
	* init.c (cpp_init_source_date_epoch): Remove function.
	* init.c (cpp_create_reader): Initialize pfile->source_date_epoch.
	* internal.h (cpp_reader): Extend comment about source_date_epoch.
	* macro.c (_cpp_builtin_macro_text): Use get_source_date_epoch
	callback only once, read pfile->source_date_epoch on future passes.
	Check that get_source_date_epoch callback is not NULL.

From-SVN: r237001

	* configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
	* configure: Regenerate.
	* config.in: Regenerate.
	* gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
	on -fvtable-verify.
	* config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
	(ENDFILE_VTV_SPEC): Define.

From-SVN: r236029

	PR driver/69805
	* gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
	:%* in %:gt() argument.
	(greater_than_spec_func): Adjust for expecting only numbers,
	if there are more than two numbers, compare the last two.

	* testsuite/libgomp.c/pr69805.c: New test.

From-SVN: r233573

gcc/ChangeLog:
	PR driver/69779
	* gcc.c (driver::finalize): Fix cleanup of "specs".

From-SVN: r233385

gcc/ChangeLog:
	PR driver/69265
	PR driver/69453
	* gcc.c (driver::driver): Initialize m_option_suggestions.
	(driver::~driver): Clean up m_option_suggestions.
	(suggest_option): Convert to...
	(driver::suggest_option): ...this, and split out into
	driver::build_option_suggestions and find_closest_string.
	(driver::build_option_suggestions): New function, from
	first half of suggest_option.  Special-case
	OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
	the sanitizer_opts array.  For options of enum types, add the
	various enum values to the candidate strings.
	(driver::handle_unrecognized_options): Remove "const".
	* gcc.h (driver::handle_unrecognized_options): Likewise.
	(driver::build_option_suggestions): New decl.
	(driver::suggest_option): New decl.
	(driver::m_option_suggestions): New field.
	* opts-common.c (add_misspelling_candidates): New function.
	* opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
	and make non-static.
	* opts.h (sanitizer_opts): New array decl.
	(add_misspelling_candidates): New function decl.
	* spellcheck.c (find_closest_string): New function.
	* spellcheck.h (find_closest_string): New function decl.

gcc/testsuite/ChangeLog:
	PR driver/69265
	PR driver/69453
	* gcc.dg/spellcheck-options-3.c: New test case.
	* gcc.dg/spellcheck-options-4.c: New test case.
	* gcc.dg/spellcheck-options-5.c: New test case.
	* gcc.dg/spellcheck-options-6.c: New test case.
	* gcc.dg/spellcheck-options-7.c: New test case.
	* gcc.dg/spellcheck-options-8.c: New test case.
	* gcc.dg/spellcheck-options-9.c: New test case.
	* gcc.dg/spellcheck-options-10.c: New test case.

From-SVN: r233382

gcc/ChangeLog:
	PR jit/68446
	* gcc.c (driver::decode_argv): Add call to
	init_opts_obstack before init_options_struct.
	* opts.c (init_opts_obstack): Remove idempotency.
	(init_options_struct): Replace call to init_opts_obstack
	with a gcc_assert to verify that it has already been called.
	* toplev.c (toplev::main): Add call to init_opts_obstack before
	calls to init_options_struct.
	(toplev::finalize): Move cleanup of opts_obstack next to
	cleanup of save_decoded_options, clearing the latter, and
	save_decoded_options_count.

From-SVN: r232567

        * gcc.c (spec_undefvar_allowed): New global.
        (process_command): Set to true when running for --version or --help,
        alone or together.
        (getenv_spec_function): When the variable is not defined, use the
        variable name as the variable value if we're allowed not to issue
        a fatal error.

From-SVN: r232287

gcc/
	* gcc.c (process_command): Update copyright notice dates.
	* gcov-dump.c (print_version): Ditto.
	* gcov.c (print_version): Ditto.
	* gcov-tool.c (print_version): Ditto.
	* gengtype.c (create_file): Ditto.
	* doc/cpp.texi: Bump @copying's copyright year.
	* doc/cppinternals.texi: Ditto.
	* doc/gcc.texi: Ditto.
	* doc/gccint.texi: Ditto.
	* doc/gcov.texi: Ditto.
	* doc/install.texi: Ditto.
	* doc/invoke.texi: Ditto.
gcc/ada/
	* gnat_ugn.texi: Bump @copying's copyright year.
	* gnat_rm.texi: Likewise.
gcc/fortran/
	* gfortranspec.c (lang_specific_driver): Update copyright notice
	dates.
	* gfc-internals.texi: Bump @copying's copyright year.
	* gfortran.texi: Ditto.
	* intrinsic.texi: Ditto.
	* invoke.texi: Ditto.
gcc/go/
	* gccgo.texi: Bump @copyrights-go year.
gcc/java/
	* jcf-dump.c (version): Update copyright notice dates.
libgomp/
	* libgomp.texi: Bump @copying's copyright year.
libitm/
	* libitm.texi: Bump @copying's copyright year.
libjava/
	* classpath/gnu/java/rmi/registry/RegistryImpl.java (version): Update
	copyright notice dates.
	* classpath/tools/gnu/classpath/tools/orbd/Main.java (run): Ditto.
	* gnu/gcj/convert/Convert.java (version): Update copyright notice
	dates.
	* gnu/gcj/tools/gcj_dbtool/Main.java (main): Ditto.
libquadmath/
	* libquadmath.texi: Bump @copying's copyright year.

From-SVN: r232053

	libstdc++-v3:
	* acinclude.m4 (GLIBCXX_ENABLE_VTABLE_VERIFY) <solaris2*>: Use
	-Wl,-R in VTV_CXXLINKFLAGS.
	* configure: Regenerate.

	* testsuite/18_support/bad_exception/23591_thread-1.c: Use
	-fvtable-verify=none on Solaris 12+.

	libgcc:
	* Makefile.in (VTV_CFLAGS): New variable.
	(vtv_start$(objext), vtv_end$(objext), vtv_end$(objext))
	(vtv_start_preinit$(objext), vtv_end_preinit$(objext)): Use it.
	* config.host (*-*-solaris2*): Add t-crtstuff-pic to tmake_file.
	Add vtv_start.o, vtv_end.o, vtv_start_preinit.o, vtv_end_preinit.o
	to extra_parts if $enable_vtable_verify = yes.

	libvtv:
	* configure.tgt (*-*-solaris2.[1-9]*): Declare supported.
	* configure.ac: Call AC_USE_SYSTEM_EXTENSIONS.
	<*-*-solaris2*>: Check for init priority support.
	Check for getexecname, __fortify_fail, _obstack_begin.
	(VTV_NO_OBSTACK): New conditional.
	* configure: Regenerate.
	* Makefile.am [VTV_NO_OBSTACK] (obstack.c): Use new condition.
	Create empty config.h
	* Makefile.in: Regenerate.

	* vtv_rts.cc [HAVE_GETEXECNAME] (program_invocation_name): New
	variable.
	(read_section_offset_and_length) [HAVE_GETEXECNAME]: Set it.
	(dl_iterate_phdr_callback) [HAVE_GETEXECNAME]: Set it.

	(__fortify_fail): Wrap in HAVE___FORTIFY_FAIL
	[!HAVE___FORTIFY_FAIL]: Provide non-Cygwin implementation.

	(read_section_offset_and_length): Assert sh_size >= VTV_PAGE_SIZE.
	(iterate_modules): Fix typo.
	Use VTV_PAGE_SIZE.
	(dl_iterate_phdr_callback): Fix typo.
	Use VTV_PAGE_SIZE.
	(__VLTChangePermission): Fix typos.

	include:
	* vtv-change-permission.h (VTV_PAGE_SIZE) [__sun__ && __svr4__ &&
	__sparc__]: Define.

	gcc:
	* config/sol2.h (SUPPORTS_INIT_PRIORITY): Move up.
	(STARTFILE_VTV_SPEC, ENDFILE_VTV_SPEC): Define.
	(STARTFILE_SPEC): Use %(startfile_vtv).
	(ENDFILE_SPEC): Use %(endfile_vtv).
	(SUBTARGET_EXTRA_SPECS): Handle STARTFILE_VTV_SPEC,
	ENDFILE_VTV_SPEC.

	* gcc.c (LINK_COMMAND_SPEC): Move VTABLE_VERIFICATION_SPEC after %{L*}.

From-SVN: r230865

gcc/cp/ChangeLog:

2015-11-14  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* parser.c (cp_parser_omp_declare_target): Adjust.

gcc/ChangeLog:

2015-11-14  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* configure: Regenerate.
	* configure.ac: Always define ENABLE_OFFLOADING.
	* cgraph.c (cgraph_node::create): Adjust.
	* gcc.c (process_command): Likewise.
	* omp-low.c (create_omp_child_function): Likewise.
	(expand_omp_target): Likewise.
	* varpool.c (varpool_node::get_create): Likewise.

gcc/c/ChangeLog:

2015-11-14  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* c-parser.c (c_parser_omp_declare_target): Adjust.

From-SVN: r230393

steps after linking

	* gcc.c (POST_LINK_SPEC): Define if not already defined.
	(LINK_COMMAND_SPEC): Use post_link.
	(post_link_spec): New, initialize to POST_LINK_SPEC.
	(post_link): Initialize new static spec.
	* doc/tm.texi.in (POST_LINK_SPEC): Document.
	* doc/tm.texi: Regenerated.

From-SVN: r230287

gcc/ChangeLog:
	PR driver/67613
	* Makefile.in (GCC_OBJS): Add spellcheck.o.
	(OBJS): Add spellcheck-tree.o.
	* gcc.c: Include "spellcheck.h".
	(suggest_option): New function.
	(driver::handle_unrecognized_options): Call suggest_option to
	provide a hint about misspelled options.
	* spellcheck.c: Update file comment.
	(levenshtein_distance): Convert 4-param implementation from static
	to extern scope.  Remove note about unit tests from leading
	comment for const char * implementation.  Move tree
	implementation to...
	* spellcheck-tree.c: New file.
	* spellcheck.h (levenshtein_distance):  Add 4-param decl.

gcc/testsuite/ChangeLog:
	PR driver/67613
	* gcc/testsuite/gcc.dg/spellcheck-options-1.c: New file.
	* gcc/testsuite/gcc.dg/spellcheck-options-2.c: New file.

From-SVN: r230285

	* config/i386/i386.c (ix86_valid_target_attribute_p):
	Finalize options at the of the function.
	* gcc.c (driver_get_configure_time_options): Call newly
	introduced init_opts_obstack.
	* lto-wrapper.c (main): Likewise.
	* opts.c (init_opts_obstack): New function.
	(init_options_struct): Call newly
	introduced init_opts_obstack.
	* opts.h (init_options_struct): Declare.

From-SVN: r230264

	* gcc.c (record_temp_file): Release name string.
	* ifcvt.c (noce_convert_multiple_sets): Use auto_vec instead
	of vec.
	* lra-lives.c (free_live_range_list): Utilize
	lra_live_range_pool for allocation and deallocation.
	(create_live_range): Likewise.
	(copy_live_range): Likewise.
	(lra_merge_live_ranges): Likewise.
	(remove_some_program_points_and_update_live_ranges): Likewise.
	(lra_create_live_ranges_1): Release point_freq_vec that can
	be not freed from previous iteration of the function.
	* tree-eh.c (lower_try_finally_switch): Use auto_vec instead of
	vec.
	* tree-sra.c (sra_deinitialize): Release all vectors in
	base_access_vec.
	* tree-ssa-dom.c (free_dom_edge_info): Make the function extern.
	* tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
	Release edge_info for a removed edge.
	(thread_through_all_blocks): Free region vector.
	* tree-ssa.h (free_dom_edge_info): Declare function extern.

From-SVN: r230027

gcc/
	PR driver/68043
	* opts.c (undocumented_msg, use_diagnosed_msg): New globals.
	(print_filtered_help): Reference aliased option's name and encourage
	readers to use it in preference to the alias if the former is not
	documented.  Mention when using an option is diagnosed.
	* gcc.c (display_help): End each sentence with a period.

	* ada/gcc-interface/lang.opt: End each sentence that describes
	an option with a period.
	* c-family/c.opt: Same.
	* common.opt: Same.
	* config/aarch64/aarch64.opt: Same.
	* config/alpha/alpha.opt: Same.
	* config/arc/arc.opt: Same.
	* config/arm/arm.opt: Same.
	* config/avr/avr.opt: Same.
	* config/bfin/bfin.opt: Same.
	* config/c6x/c6x.opt: Same.
	* config/cr16/cr16.opt: Same.
	* config/cris/cris.opt: Same.
	* config/cris/linux.opt: Same.
	* config/darwin.opt: Same.
	* config/epiphany/epiphany.opt: Same.
	* config/fr30/fr30.opt: Same.
	* config/frv/frv.opt: Same.
	* config/ft32/ft32.opt: Same.
	* config/g.opt: Same.
	* config/h8300/h8300.opt: Same.
	* config/i386/cygming.opt: Same.
	* config/i386/djgpp.opt: Same.
	* config/i386/i386.opt: Same.
	* config/i386/interix.opt: Same.
	* config/i386/mingw-w64.opt: Same.
	* config/i386/mingw.opt: Same.
	* config/ia64/ia64.opt: Same.
	* config/ia64/ilp32.opt: Same.
	* config/iq2000/iq2000.opt: Same.
	* config/linux.opt: Same.
	* config/lm32/lm32.opt: Same.
	* config/lynx.opt: Same.
	* config/m32c/m32c.opt: Same.
	* config/m32r/m32r.opt: Same.
	* config/m68k/ieee.opt: Same.
	* config/m68k/m68k.opt: Same.
	* config/mcore/mcore.opt: Same.
	* config/mep/mep.opt: Same.
	* config/microblaze/microblaze.opt: Same.
	* config/mips/mips.opt: Same.
	* config/mmix/mmix.opt: Same.
	* config/mn10300/mn10300.opt: Same.
	* config/moxie/moxie.opt: Same.
	* config/msp430/msp430.opt: Same.
	* config/nios2/elf.opt: Same.
	* config/nios2/nios2.opt: Same.
	* config/nvptx/nvptx.opt: Same.
	* config/pa/pa-hpux.opt: Same.
	* config/pa/pa-hpux1010.opt: Same.
	* config/pa/pa-hpux1111.opt: Same.
	* config/pa/pa-hpux1131.opt: Same.
	* config/pa/pa.opt: Same.
	* config/pa/pa64-hpux.opt: Same.
	* config/pdp11/pdp11.opt: Same.
	* config/rl78/rl78.opt: Same.
	* config/rs6000/476.opt: Same.
	* config/rs6000/aix64.opt: Same.
	* config/rs6000/darwin.opt: Same.
	* config/rs6000/linux64.opt: Same.
	* config/rs6000/rs6000.opt: Same.
	* config/rs6000/sysv4.opt: Same.
	* config/s390/s390.opt: Same.
	* config/s390/tpf.opt: Same.
	* config/sh/sh.opt: Same.
	* config/sol2.opt: Same.
	* config/sparc/long-double-switch.opt: Same.
	* config/sparc/sparc.opt: Same.
	* config/spu/spu.opt: Same.
	* config/stormy16/stormy16.opt: Same.
	* config/tilegx/tilegx.opt: Same.
	* config/tilepro/tilepro.opt: Same.
	* config/v850/v850.opt: Same.
	* config/vax/vax.opt: Same.
	* config/visium/visium.opt: Same.
	* config/vms/vms.opt: Same.
	* config/vxworks.opt: Same.
	* config/xtensa/xtensa.opt: Same.
	* fortran/lang.opt: Same.

testsuite/
	PR driver/68043
	* gcc.misc-tests/help.exp: Adjust.
	* lib/options.exp (check_for_options): Add detail to output.

From-SVN: r229155

	gcc/
	* gcc.c (process_command): Use spec_machine rather than
	spec_host_machine to build tooldir_prefix2.

From-SVN: r228429

	PR target/66870
	* config/rs6000/sysv4.h (TARGET_CAN_SPLIT_STACK_64BIT): Define.
	* configure.ac: Define HAVE_GOLD_ALTERNATE_SPLIT_STACK on Power
	based on gold linker version.
	* gcc.c: Add -fuse-ld=gold to STACK_SPLIT_SPEC if
	HAVE_GOLD_ALTERNATE_SPLIT_STACK defined.
	* configure, config.in: Regenerate.
go:
	* gospec.c (lang_specific_driver): Set appropriate split stack
	options for 64 bit compiles based on TARGET_CAN_SPLIT_STACK_64BIT.

From-SVN: r228311

	gcc/testsuite:
	* lib/target-supports.exp (check_effective_target_pie): Check for
	PIE support on Solaris 11.x and 12.

	libgcc:
	* config.host (*-*-solaris2*): Add t-crtstuff-pic to tmake_file.
	Add crtbeginS.o, crtendS.o to extra_parts if libgcc_cv_solaris_crts.
	* config/sol2/gmon.c: (monstartup): Don't write trailing NUL of
	messages.
	(internal_mcount): Likewise.
	* config/sol2/t-sol2 (crtp.o, crtpg.o, gmon.o): Compile with
	crt_compile, add CRTSTUFF_T_CFLAGS_S.

	gcc:
	* configure.ac (gcc_cv_ld_pie): Check for gld >= 2.26 on Solaris.
	Check for ld -type pie on Solaris 11.x and 12.
	* configure: Regenerate.
	* config.in: Regenerate.

	* gcc.c (LD_PIE_SPEC): Allow redefinition.

	* config/sol2.h (STARTFILE_CRTBEGIN_SPEC): Define.
	(STARTFILE_SPEC): Use it.
	(ENDFILE_CRTEND_SPEC): Define.
	(ENDFILE_SPEC): Use it and ENDFILE_ARCH_SPEC.
	(SUBTARGET_EXTRA_SPECS): Add STARTFILE_CRTBEGIN_SPEC,
	ENDFILE_ARCH_SPEC, ENDFILE_CRTEND_SPEC.
	[HAVE_LD_PIE && HAVE_SOLARIS_CRTS] (LD_PIE_SPEC): Define.
	(!(HAVE_LD_PIE && HAVE_SOLARIS_CRTS)] (LINK_PIE_SPEC): Define.
	* config/i386/sol2.h (ENDFILE_SPEC): Remove.
	(ENDFILE_ARCH_SPEC): Define.
	* config/sparc/sol2.h (ENDFILE_ARCH_SPEC): Define.

From-SVN: r228078

	gcc/
	* gcc.c (handle_foffload_option): Don't lose the trailing NUL
	character when appending to offload_targets.

From-SVN: r228054

	gcc/
	* configure.ac (offload_targets, OFFLOAD_TARGETS): Separate
	offload targets by commas, not colons.
	* config.in: Regenerate.
	* configure: Likewise.
	* gcc.c (driver::maybe_putenv_COLLECT_LTO_WRAPPER): Due to that,
	instead of setting up the default offload targets here...
	(process_command): ..., do it here.
	libgomp/
	* plugin/configfrag.ac (OFFLOAD_TARGETS): Clarify that offload
	targets are separated by commas.
	* config.h.in: Regenerate.

From-SVN: r228053

	PR bootstrap/67363
	* gcc.c (env_manager::xput): Replace strndup by xstrndup.

From-SVN: r227337

	* gcc.c (driver::finalize): Only assign to extra_specs if
	[EXTRA_SPECS].

From-SVN: r227194