2016-02-09  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/69715
	* tree-ssa.c (execute_update_addresses_taken): Mark non-decl
	LHS on calls as non-rewritable.

	* gcc.dg/torture/pr69715.c: New testcase.

From-SVN: r233239

From-SVN: r233238

2016-02-09  Tom de Vries  <tom@codesourcery.com>

	PR lto/69707
	* lto-wrapper.c (append_diag_options): New function.
	(compile_offload_image): Call append_diag_options.

	* testsuite/libgomp.oacc-c-c++-common/parallel-dims-2.c: New test.

From-SVN: r233237

re PR other/69722 (gcc/doc/extend.texi:7526: warning: node `Constraints' is next for `Extended Asm' in menu but not in sectioning)

2016-02-08  Sandra Loosemore <sandra@codesourcery.com>

	PR other/69722

	gcc/
	* doc/extend.texi (Flag Output Operands): Correct sectioning.
	Minor copy-edit to fix verb tenses.

From-SVN: r233236

	PR go/69537
    runtime: Don't refer to _end symbol in shared library.
    
    Fixes GCC PR 69357.
    
    Reviewed-on: https://go-review.googlesource.com/19362

From-SVN: r233235

From-SVN: r233234

gcc/cp/ChangeLog:

	PR c++/69139
	* parser.c (cp_parser_simple_type_specifier): Make the check
	for disambiguating between an 'auto' placeholder and an implicit
	template parameter more robust.

gcc/testsuite/ChangeLog:

	PR c++/69139
	* g++.dg/cpp0x/trailing12.C: New test.
	* g++.dg/cpp0x/trailing13.C: New test.

From-SVN: r233231

gcc/cp/ChangeLog:

	PR c++/69283
	PR c++/67835
	* decl2.c (mark_used): When given a TEMPLATE_DECL, return after
	setting its TREE_USED flag.

gcc/testsuite/ChangeLog:

	PR c++/69283
	PR c++/67835
	* g++.dg/cpp1y/auto-fn29.C: New test.
	* g++.dg/cpp1y/auto-fn30.C: New test.

From-SVN: r233230

	PR c++/69657
	* name-lookup.c (do_nonmember_using_decl): Leave anticipated
	built-ins alone.

From-SVN: r233229

	PR tree-optimization/69209
	* ipa-split.c (split_function): If split part is not
	returning retval, retval has gimple type but is not
	gimple value, force it into a SSA_NAME first.

	* gcc.c-torture/compile/pr69209.c: New test.

From-SVN: r233228

	PR tree-optimization/68541
	* gcc.dg/tree-ssa/split-path-1.c: Increase limit for number
	of statements allowed in join block for path splitting.

From-SVN: r233227

	PR c++/59627
	* parser.c (cp_parser_omp_declare_reduction): Set assembler name
	of the DECL_OMP_DECLARE_REDUCTION_P decls.

	* g++.dg/gomp/pr59627.C: New test.

From-SVN: r233225

	PR ipa/69239
	* g++.dg/ipa/pr69239.C: New test.

From-SVN: r233224

gcc/testsuite/ChangeLog:
	PR preprocessor/69664
	* gcc.dg/cpp/trad/comment-2.c: Add expected column number.
	* gcc.dg/cpp/warn-comments.c: Likewise.

libcpp/ChangeLog:
	PR preprocessor/69664
	* errors.c (cpp_diagnostic_with_line): Only call
	rich_location::override_column if the column is non-zero.
	* line-map.c (rich_location::override_column): Update columns
	within m_ranges[0].  Add assertions to verify that doing so is
	sane.

From-SVN: r233223

gcc/jit/ChangeLog:
	* dummy-frontend.c (jit_langhook_init): Remove
	second argument to build_common_tree_nodes to
	track r233218.

From-SVN: r233222

	* doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
	outdated section.

From-SVN: r233221

re PR c++/69688 (-Wsign-compare causes bogus error: size of array ‘uc_code’ is not an integral constant-expression)

	PR c++/69688
	* constexpr.c (clear_cv_and_fold_caches): Renamed from clear_cv_cache.
	Call clear_fold_cache.
	* cp-tree.h: Adjust declaration.
	* decl.c (finish_enum_value_list): Call clear_cv_and_fold_caches
	rather than clear_cv_cache and clear_fold_cache.
	* typeck2.c (store_init_value): Call clear_cv_and_fold_caches.

	* g++.dg/init/const12.C: New test.

From-SVN: r233220

	* acinclude.m4 (GLIBCXX_CHECK_MATH11_PROTO): Remove accidentally
	added 'constexpr' in previous commit.
	* configure: Regenerate.

From-SVN: r233219

	PR target/60410
	* tree.c (build_common_tree_nodes): Remove short_double argument.
	All callers changed.
	* tree.h (build_common_tree_nodes): Adjust declaration.
	* doc/invoke.texi (-fshort-double): Remove documentation.
	* config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
	MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
	* lto-wrapper.c (merge_and_complain, append_compiler_options,
	append_linker_options): Don't handle OPT_fshort_double.
	
c-family/
	PR target/60410
	* c.opt (fshort-double): Remove.

testsuite/
	PR target/60410
	* gcc.dg/lto/pr55113_0.c: Remove test.

From-SVN: r233218

From-SVN: r233217

	PR c++/69631

gcc/
	* convert.c (convert_to_integer_1): Check dofold on truncation
	distribution.
	(convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
	(convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
	Rename from *_nofold.
	* convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
	(convert_to_real_nofold, convert_to_complex_nofold): New inlines.
gcc/cp/
	* cp-tree.h (CONV_FOLD, CONV_BACKEND_CONVERT): New.
	* cvt.c (convert): Pass CONV_BACKEND_CONVERT.
	(ocp_convert): Use *_maybe_fold.
	(cp_convert_to_pointer): Add dofold parameter.
	* cp-gimplify.c (cp_fold) [CONVERT_EXPR]: Call convert.

From-SVN: r233216

	PR rtl-optimization/68730
	* lra-remat.c (insn_to_cand_activation): New static variable.
	(lra_remat): Allocate and free it.
	(create_cand): New arg activation. Initialize a field in
	insn_to_cand_activation if it is nonnull.
	(create_cands): Pass the activation insn to create_cand when making
	a candidate involving an output reload.  Reorganize code a little.
	(do_remat): Keep track of active status of candidates in a separate
	bitmap.

From-SVN: r233215

	PR libstdc++/48891
	* acinclude.m4 (GLIBCXX_CHECK_MATH11_PROTO): Enable isinf and isnan
	checks for all targets except *-*-solaris2.* and ensure we find the
	libc math.h header not our own.
	* configure: Regenerate.

From-SVN: r233214

2016-02-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/69719
	* tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
	Properly use absolute of the difference of the two offsets to
	compare or adjust the segment length.

	* gcc.dg/torture/pr69719.c: New testcase.

From-SVN: r233212

re PR target/68273 (Wrong code on mips/mipsel due to (invalid?) peeking at alignments in function_arg.)

2016-02-08  Richard Biener  <rguenther@suse.de>
	Jeff Law  <law@redhat.com>

	PR target/68273
	* tree-ssanames.c (make_ssa_name_fn): Always use unqualified
	types for anonymous SSA names.

	* gcc.target/mips/pr68273.c: New testcase.

Co-Authored-By: Jeff Law <law@redhat.com>

From-SVN: r233211

	* gcc-interface/utils.c (create_var_decl): Set again DECL_COMMON and
	DECL_IGNORED_P last.

From-SVN: r233210

2016-02-08   Richard Biener  <rguenther@suse.de>

	PR rtl-optimization/69274
	* ira.c (ira_setup_alts): Do not change recog_data.operand
	order.

	* gcc.target/i386/addr-sel-1.c: XFAIL.

From-SVN: r233209

        PR tree-optimization/68541
        * gcc.dg/tree-ssa/split-path-2.c: Make char array explicitly signed.

From-SVN: r233208

re PR tree-optimization/65917 (XFAIL: gcc.dg/tree-ssa/20030922-2.c scan-tree-dump-times dom1 "if " 2)

	PR tree-optimization/65917
	* tree-ssa-dom.c (record_temporary_equivalences): Record both
	equivalences from if (x == y) style conditionals.
	(loop_depth_of_name): Remove.
	(record_equality): Remove loop depth check.
	* tree-ssa-scopedtables.h (const_and_copies): Refine comments.
	(const_and_copies::record_const_or_copy_raw): New member function.
	* tree-ssa-scopedtables.c
	(const_and_copies::record_const_or_copy_raw): New, factored out of
	(const_and_copies::record_const_or_copy): Call new member function.

        PR tree-optimization/65917
	* gcc.dg/tree-ssa/20030922-2.c: No longer xfailed.

From-SVN: r233207

From-SVN: r233206

2016-02-07  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/50555
	* primary.c (match_actual_arg): If symbol has attribute flavor of
	namelist, generate an error. (gfc_match_rvalue): Likewise return
	MATCH_ERROR.
	* resolve.c (resolve_symbol): Scan arument list of procedures and
	generate an error if a namelist is found.

	PR fortran/50555
	* gfortran.dg/namelist_args.f90: New test.

From-SVN: r233203

From-SVN: r233202

From-SVN: r233201

From-SVN: r233199

	* mmap.c (MAP_FAILED): Define if not defined.

From-SVN: r233196

From-SVN: r233194

	PR tree-optimization/68541
	* gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
	(count_stmts_in_block): New function.
	(poor_ifcvt_candidate_code): Likewise.
	(is_feasible_trace): Add some heuristics to determine when path
	splitting is profitable.
	(find_block_to_duplicate_for_splitting_paths): Make sure the graph
	is a diamond with a single exit.

        PR tree-optimization/68541
	* gcc.dg/tree-ssa/split-path-2.c: New test.
	* gcc.dg/tree-ssa/split-path-3.c: New test.
	* gcc.dg/tree-ssa/split-path-4.c: New test.
	* gcc.dg/tree-ssa/split-path-5.c: New test.
	* gcc.dg/tree-ssa/split-path-6.c: New test.
	* gcc.dg/tree-ssa/split-path-7.c: New test.

From-SVN: r233191

gcc/testsuite/ChangeLog:
	PR c++/69662
	* g++.dg/warn/Wplacement-new-size-1.C: New test.
	* g++.dg/warn/Wplacement-new-size-2.C: New test.

gcc/cp/ChangeLog:
	PR c++/69662
	* init.c (find_field_init): New function.
	(warn_placement_new_too_small): Call it.  Handle one-element arrays
        at ends of structures special.

gcc/c-family/ChangeLog:
	PR c++/69662
	* c.opt (Warning options): Update -Wplacement-new to take
        an optional argument.

gcc/ChangeLog:
	PR c++/69662
	* doc/invoke.texi: Update -Wplacement-new to take an optional
        argument.

From-SVN: r233190

PR c/69643

  * tree.c (tree_nop_conversion_p): Do not strip casts into or
  out of non-standard address spaces.
testsuite/
  * gcc.target/i386/addr-space-4.c: New.
  * gcc.target/i386/addr-space-5.c: New.

From-SVN: r233189

	PR fortran/66089
gcc/fortran/
	* trans-expr.c (expr_is_variable, gfc_expr_is_variable): Rename
	the former to the latter and make it non-static.  Update callers.
	* gfortran.h (gfc_expr_is_variable): New declaration.
	(struct gfc_ss_info): Add field needs_temporary.
	* trans-array.c (gfc_scalar_elemental_arg_saved_as_argument):
	Tighten the condition on aggregate expressions with a check
	that the expression is a variable and doesn't need a temporary.
	(gfc_conv_resolve_dependency): Add intermediary reference variable.
	Set the needs_temporary field.
gcc/testsuite/
	* gfortran.dg/elemental_dependency_6.f90: New.

From-SVN: r233188