* lto-symtab.c: Include alias.h
	(warn_type_compatibility_p): Replace types_compatible_p checks by
	TBAA and size checks; set bit 2 if locations are TBAA incompatible.
	(lto_symtab_merge): Compare DECL sizes.
	(lto_symtab_merge_decls_2): Warn about TBAA in compatibility.
	* gfortran.dg/lto/bind_c-6_0.f90: New testcase.
	* gfortran.dg/lto/bind_c-6_1.c: New testcase.

From-SVN: r230911

From-SVN: r230910

re PR c++/68434 ([concepts] function tsubst sets TYPE_CANONICAL before setting a type's PLACEHOLDER_TYPE_CONSTRAINTS)

	PR c++/68434

	* pt.c (tsubst): Set PLACEHOLDER_TYPE_CONSTRAINTS before
	calling canonical_type_parameter.

From-SVN: r230909

	* lambda.c (maybe_add_lambda_conv_op): Only set
	no_sanitize_undefined if SANITIZE_NULL.

From-SVN: r230908

2015-11-25  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (pass_expand_omp_ssa::clone): New function.
	* passes.def: Add pass_oacc_kernels pass group.
	* tree-ssa-loop-ch.c (pass_ch::clone): New function.

	* g++.dg/tree-ssa/copyprop-1.C: Update after adding new dce1.
	* gcc.dg/pr23911.c: Same.
	* gcc.dg/tree-ssa/20030709-2.c: Same.
	* gcc.dg/tree-ssa/20030731-2.c: Same.
	* gcc.dg/tree-ssa/20040729-1.c: Same.
	* gcc.dg/tree-ssa/cfgcleanup-1.c: Same.
	* gcc.dg/tree-ssa/loop-36.c: Same.
	* gcc.dg/tree-ssa/pr21086.c: Same.
	* gcc.dg/tree-ssa/ssa-dce-1.c: Same.
	* gcc.dg/tree-ssa/ssa-dce-2.c: Same.
	* gcc.dg/vect/pr26359.c: Same.
	* c-c++-common/restrict-2.c: Update after adding new lim1.
	* c-c++-common/restrict-4.c: Same.
	* g++.dg/tree-ssa/pr33615.C: Same.
	* g++.dg/tree-ssa/restrict1.C: Same.
	* gcc.dg/tm/pub-safety-1.c: Same.
	* gcc.dg/tm/reg-promotion.c: Same.
	* gcc.dg/tree-ssa/20050314-1.c: Same.
	* gcc.dg/tree-ssa/loop-32.c: Same.
	* gcc.dg/tree-ssa/loop-33.c: Same.
	* gcc.dg/tree-ssa/loop-34.c: Same.
	* gcc.dg/tree-ssa/loop-35.c: Same.
	* gcc.dg/tree-ssa/loop-7.c: Same.
	* gcc.dg/tree-ssa/pr23109.c: Same.
	* gcc.dg/tree-ssa/restrict-3.c: Same.
	* gcc.dg/tree-ssa/restrict-5.c: Same.
	* gcc.dg/tree-ssa/ssa-lim-1.c: Same.
	* gcc.dg/tree-ssa/ssa-lim-10.c: Same.
	* gcc.dg/tree-ssa/ssa-lim-11.c: Same.
	* gcc.dg/tree-ssa/ssa-lim-12.c: Same.
	* gcc.dg/tree-ssa/ssa-lim-2.c: Same.
	* gcc.dg/tree-ssa/ssa-lim-3.c: Same.
	* gcc.dg/tree-ssa/ssa-lim-6.c: Same.
	* gcc.dg/tree-ssa/ssa-lim-7.c: Same.
	* gcc.dg/tree-ssa/ssa-lim-8.c: Same.
	* gcc.dg/tree-ssa/ssa-lim-9.c: Same.
	* gcc.dg/tree-ssa/structopt-1.c: Same.
	* gfortran.dg/pr32921.f: Same.
	* g++.dg/tree-ssa/pr19637.C: Update after adding new dom1.
	* g++.dg/tree-ssa/pr61009.C: Same.
	* g++.dg/tree-ssa/ssa-dom.C: Same.
	* gcc.dg/pr20115-1.c: Same.
	* gcc.dg/tree-prof/20050826-2.c: Same.
	* gcc.dg/tree-prof/cmpsf-1.c: Same.
	* gcc.dg/tree-ssa/20030821-1.c: Same.
	* gcc.dg/tree-ssa/20030922-2.c: Same.
	* gcc.dg/tree-ssa/20031022-1.c: Same.
	* gcc.dg/tree-ssa/20040615-1.c: Same.
	* gcc.dg/tree-ssa/20040624-1.c: Same.
	* gcc.dg/tree-ssa/pr21417.c: Same.
	* gcc.dg/tree-ssa/pr61607.c: Same.
	* gcc.dg/tree-ssa/slsr-27.c: Same.
	* gcc.dg/tree-ssa/slsr-28.c: Same.
	* gcc.dg/tree-ssa/slsr-29.c: Same.
	* gcc.dg/tree-ssa/ssa-dom-branch-1.c: Same.
	* gcc.dg/tree-ssa/ssa-dom-cse-3.c: Same.
	* gcc.dg/tree-ssa/ssa-dom-thread-1.c: Same.
	* gcc.dg/tree-ssa/ssa-dom-thread-2a.c: Same.
	* gcc.dg/tree-ssa/ssa-dom-thread-2b.c: Same.
	* gcc.dg/tree-ssa/ssa-dom-thread-2c.c: Same.
	* gcc.dg/tree-ssa/ssa-dom-thread-2d.c: Same.
	* gcc.dg/tree-ssa/ssa-dom-thread-2e.c: Same.
	* gcc.dg/tree-ssa/ssa-dom-thread-2f.c: Same.
	* gcc.dg/tree-ssa/ssa-dom-thread-4.c: Same.
	* gcc.dg/tree-ssa/ssa-dom-thread-5.c: Same.
	* gcc.dg/tree-ssa/ssa-dom-thread-6.c: Same.
	* gcc.dg/tree-ssa/ssa-dom-thread-7.c: Same.
	* gcc.dg/tree-ssa/ssa-thread-12.c: Same.
	* gcc.dg/tree-ssa/vrp47.c: Same.
	* gcc.dg/tree-ssa/copy-headers.c: Update after adding ch1.
	* gcc.dg/tree-ssa/foldconst-2.c: Same.
	* gcc.dg/tree-ssa/loop-40.c: Same.
	* gcc.dg/gomp/notify-new-function-3.c: Update after adding ompexpssa1.

From-SVN: r230907

2015-11-25  Tom de Vries  <tom@codesourcery.com>

	* tree-pass.h (make_pass_oacc_kernels, make_pass_oacc_kernels2):
	Declare.
	* tree-ssa-loop.c (gate_oacc_kernels): New static function.
	(pass_data_oacc_kernels, pass_data_oacc_kernels2): New pass_data.
	(class pass_oacc_kernels, class pass_oacc_kernels2): New pass.
	(make_pass_oacc_kernels, make_pass_oacc_kernels2): New function.

From-SVN: r230906

2015-11-25  Paolo Carlini  <paolo.carlini@oracle.com>

	* g++.dg/cpp0x/constexpr-array13.C: Fix.

From-SVN: r230903

	* timevar.def (TV_IPA_LTO_DECOMPRESS, TV_IPA_LTO_COMPRESS,
	TV_IPA_LTO_OUTPUT): New.
	* lto-compress.c: Include timevar.h
	(lto_end_compression, lto_end_uncompression): Add timers.
	* langhooks.c: Include timevar.h
	(lhd_append_data): Add timer.

From-SVN: r230902

From-SVN: r230898

	PR c++/67941
	* lambda.c (maybe_add_lambda_conv_op): Mark _FUN as
	no_sanitize_undefined.

From-SVN: r230897

	* cp-ubsan.c (cp_ubsan_instrument_vptr_p): Use
	do_ubsan_in_current_function.

From-SVN: r230896

	* varasm.c (default_elf_asm_output_limited_string,
	default_elf_asm_output_ascii): Replace fprintf by putc.

From-SVN: r230895

2015-11-25  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/67954
	* lra-constraints.c (curr_insn_transform): Add check on scratch
	pseudo when change class to NO_REGS.  Add an assert.

From-SVN: r230894

	* config/nvptx/nvptx.md (load_arg_reg<mode>): Arg number
	constraint is 'n'.
	* config/nvptx/nvptx.c (write_one_arg): Use 'i' directly as arg
	number.
	(nvptx_write_function_decl): Number args from 0.
	(nvptx_declare_function_name): Likewise.
	(nvptx_function_incoming_arg): Likewise.
	(nvptx_output_call_insn): Correct formatting.

From-SVN: r230889

2015-11-25  David Sherwood  <david.sherwood@arm.com>

        * optabs.def: Add new optabs fmax_optab/fmin_optab.
        * internal-fn.def: Add new fmax/fmin internal functions.
        * doc/md.texi: Add fmin and fmax patterns.

From-SVN: r230888

/cp
2015-11-25  Markus Trippelsdorf  <markus@trippelsdorf.de>
	    Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/68087
	* constexpr.c (cxx_eval_array_reference): Use tree_fits_shwi_p before
	tree_to_shwi to avoid ICEs.

/testsuite
2015-11-25  Markus Trippelsdorf  <markus@trippelsdorf.de>
	    Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/68087
	* g++.dg/cpp0x/constexpr-array13.C: New.

Co-Authored-By: Paolo Carlini <paolo.carlini@oracle.com>

From-SVN: r230886

2015-11-25  Eric Botcazou  <ebotcazou@adacore.com>

	* gnatlink.adb (Gnatlink): Do not reinstate -fsjlj for the linker
	from the switches saved in the ALI file but from the exception
	settings.

2015-11-25  Arnaud Charlet  <charlet@adacore.com>

	* lib-xref-spark_specific.adb
	(Add_SPARK_Scope): Take entry families into account.
	* a-exetim.ads, a-exetim-default.ads, a-exetim-mingw.ads (Clock,
	Clock_For_Interrupts): preconditions added.
	* a-extiin.ads (Clock): preconditions added.
	* par-ch3.adb (P_Declarative_Items): In case of misplaced
	aspect specifications, ensure that flag Done is properly set to
	continue parsing.

From-SVN: r230879

2015-11-25  Arnaud Charlet  <charlet@adacore.com>

	* exp_util.adb (Remove_Side_Effects): Minimize extra temporaries
	and use of 'Reference when needed.

2015-11-25  Doug Rupp  <rupp@adacore.com>

	* sigtramp-vxworks-target.inc (__x86_64__): Restore context for the
	sake of uniformity.
	* init.c (__gnat_inum_to_ivec): Add some casting to avoid
	warnings when sizeof(long) != sizeof(int)

2015-11-25  Yannick Moy  <moy@adacore.com>

	* lib-xref-spark_specific.adb (SPARK_Entities): Add entries for
	consideration.
	(Add_SPARK_Scope): Take tasks into account.
	(Detect_And_Add_SPARK_Scope): Take tasks into account.
	(Enclosing_Subprogram_Or_Library_Package): Take tasks into account.

From-SVN: r230878

2015-11-25  Bob Duff  <duff@adacore.com>

	* sem_elab.adb (Check_Internal_Call_Continue): Code clean ups.

2015-11-25  Eric Botcazou  <ebotcazou@adacore.com>

	* sem_util.ads (Has_Compatible_Alignment): Add Layout_Done
	parameter.
	* sem_util.adb (Has_Compatible_Alignment): Likewise.
	(Has_Compatible_Alignment_Internal): Likewise.	Do not set the
	result to Unknown for packed types if Layout_Done is true.
	* checks.adb (Apply_Address_Clause_Check): Adjust call and
	pass False to Has_Compatible_Alignment.
	* sem_ch13.adb (Validate_Address_Clauses): Likewise but pass True.

From-SVN: r230877

2015-11-25  Vincent Celier  <celier@adacore.com>

	* gnatcmd.adb: When <target>-gnat is called with switch -P
	and a GPR tool is invoked, invoke the GPR tool with switch
	--target=<target>.

2015-11-25  Hristian Kirtchev  <kirtchev@adacore.com>

	* opt.adb, bcheck.adb: Minor reformatting.

From-SVN: r230876

2015-11-25  Jerome Lambourg  <lambourg@adacore.com>

	* init.c: Enable the signal trampoline on x86_64-vx7
	* sigtramp-vxworks-target.inc: Implement the signal trampoline
	for x86_64
	* tracebak.c: Remove the hook to use the generic
	unwinder on x86_64-vx7.

2015-11-25  Vincent Celier  <celier@adacore.com>

	* gnatcmd.adb: When "gnat name -P" is called, invoke gprname
	directly if available.

From-SVN: r230875

2015-11-25  Tristan Gingold  <gingold@adacore.com>

	* init.c (__gnat_is_stack_guard): Do not use mach calls for
	IOS simulator.

From-SVN: r230874

2015-11-25  Steven G. Kargl  <kargl@gcc.gnu.org>

    PR fortran/68227
    * trans-stmt.c (gfc_do_allocate): Convert gcc_assert argument into 
    into part of conditional statement.

From-SVN: r230873

	PR fortran/63858

	gcc/fortran/
	* scanner.c (skip_oacc_attribute): Remove continue_flag parameter.
	Rename as ...
	(skip_free_oacc_sentinel): ... this.
	(skip_omp_attribute): Remove continue_flag parameter. Rename as ...
	(skip_free_omp_sentinel): ... this.
	(skip_free_comments): Update to call skip_free_oacc_sentinel and
	skip_free_omp_sentinel.
	(skip_fixed_omp_sentinel): New function.
	(skip_fixed_oacc_sentinel): New function.
	(skip_fixed_comments): Fix mix of OpenACC and OpenMP sentinels in
	continuation.

	gcc/testsuite/
	* goacc/omp-fixed.f: New test.
	* goacc/omp.f95: Add check for mis-matched omp and acc continuations.


Co-Authored-By: Cesar Philippidis <cesar@codesourcery.com>

From-SVN: r230872

	PR c++/68385

	* tree.c (integer_zerop, integer_onep, integer_each_onep)
	(integer_all_onesp, integer_minus_onep, integer_pow2p)
	(integer_nonzerop, integer_truep, tree_log2, tree_floor_log2)
	(real_zerop, real_onep, real_minus_onep): Remove STRIP_NOPS.

From-SVN: r230871

2015-11-25  Richard Biener  <rguenther@suse.de>

	PR middle-end/68528
	* fold-const.c (fold_binary_loc): Do not call negate_expr_p
	on stripped operands.

	* gcc.dg/torture/pr68528.c: New testcase.

From-SVN: r230870

	* config/nvptx/nvptx.c (walk_args_for_params): Delete.
	(nvptx_declare_function_name): Move assignments next to register
	declarations, and process params here.

From-SVN: r230869

	* testsuite/27_io/ios_base/types/fmtflags/case_label.cc: Explicitly
	check minimum and maximum values, and size of underlying type.
	* testsuite/27_io/ios_base/types/iostate/case_label.cc: Likewise.
	* testsuite/27_io/ios_base/types/openmode/case_label.cc: Likewise.

From-SVN: r230868

rs6000.c (rs6000_declare_alias): Rename and globalize both the symbol and the "dot" symbol for function descriptors.

* config/rs6000/rs6000.c (rs6000_declare_alias): Rename and globalize
both the symbol and the "dot" symbol for function descriptors.  Fix
inversion for rename of symbols with dollar sign.

From-SVN: r230867

2015-11-25  Tom de Vries  <tom@codesourcery.com>

	* cfgloop.c (find_single_latch): New function, factored out of ...
	(flow_loops_find): ... here.
	(verify_loop_structure): Improve verification of loop->latch.
	* cfgloop.h (find_single_latch): Declare.
	* omp-low.c (expand_omp_for_generic): Initialize latch of orig_loop.

From-SVN: r230866

	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

	* ifcvt.c (noce_mem_write_may_trap_or_fault_p,
	noce_can_store_speculate): Delete.
	(noce_process_if_block): Don't try to handle single MEM stores.
	* rtl.h (memory_must_be_modified_in_insn_p): Don't declare.
	* alias.c (memory_must_be_modified_in_insn_p): Delete.

From-SVN: r230864

re PR c++/58910 (std::Tuple_impl is non constexpr when using identical userdefined structs as template-args)

2015-11-25  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/58910
	* g++.dg/cpp0x/constexpr-tuple2.C: New.

From-SVN: r230860

	PR rtl-optimization/68435
	* ifcvt.c (noce_try_cmove_arith): Skip final insn when checking
	for conflicts between a, b and the set destinations.

	* gcc.dg/pr68435.c: New test.

From-SVN: r230859

2015-11-25  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/68517
	* tree-vect-data-refs.c (vect_analyze_data_ref_accesses):
	Properly handle zero-sized types.

	* gcc.dg/torture/pr68517.c: New testcase.

From-SVN: r230858

	* ipa-inline-analysis.c: Include gimplify.h
	(set_cond_stmt_execution_predicate,
	set_switch_stmt_execution_predicate): Be sure to not leak locations
	to function body.

From-SVN: r230857

	PR target/67089
	* tree-ssa-math-opts.c (uaddsub_overflow_check_p,
	match_uaddsub_overflow): New functions.
	(pass_optimize_widening_mul::execute): Call match_uaddsub_overflow.

	* gcc.dg/pr67089-1.c: New test.
	* gcc.dg/pr67089-2.c: New test.
	* gcc.dg/pr67089-3.c: New test.
	* gcc.dg/pr67089-4.c: New test.
	* gcc.dg/pr67089-5.c: New test.
	* gcc.dg/pr67089-6.c: New test.
	* gcc.dg/pr67089-7.c: New test.

From-SVN: r230856

re PR tree-optimization/68492 (internal compiler error: in vect_is_simple_use, at tree-vect-stmts.c:8266)

2015-11-25  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/68492
	* tree-vect-slp.c (vect_build_slp_tree): Consistently build up
	op from scalars after operand swapping.

From-SVN: r230855

2015-11-25  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/68502
	* tree-vect-data-refs.c (vect_analyze_group_access_1): Restore
	check that the step is a multiple of the type size.

	* gcc.dg/vect/pr68502-1.c: New testcase.
	* gcc.dg/vect/pr68502-2.c: Likewise.

From-SVN: r230854

	* config/aarch64/aarch64-simd.md (widen_ssum, widen_usum)
	(aarch64_<ANY_EXTEND:su><ADDSUB:optab>w<mode>_internal): New patterns
	* config/aarch64/iterators.md (Vhalf, VDBLW): New mode attributes.
	* gcc.target/aarch64/saddw-1.c: New test.
	* gcc.target/aarch64/saddw-2.c: New test.
	* gcc.target/aarch64/uaddw-1.c: New test.
	* gcc.target/aarch64/uaddw-2.c: New test.
	* gcc.target/aarch64/uaddw-3.c: New test.
	* lib/target-support.exp
	(check_effective_target_vect_widen_sum_hi_to_si_pattern):
	Add aarch64 to list of support targets.

From-SVN: r230853