* src/filesystem/ops.cc (stat_type): Define alias for struct stat and
	use throughout the file.
	(make_file_type): New function.
	(file_size(const path&, error_code&)): Report an error for anything
	that isn't a regular file.
	(status(const path&), symlink_status(const path&)): Do not throw for
	file_type::not_found.
	(temp_directory_path()): Check additional environment variables.
	* testsuite/experimental/filesystem/operations/exists.cc: New.
	* testsuite/experimental/filesystem/operations/file_size.cc: New.
	* testsuite/experimental/filesystem/operations/status.cc: New.
	* testsuite/experimental/filesystem/operations/temp_directory_path.cc:
	New.

From-SVN: r223224

PR c/48956

gcc/c-family/
* c-common.c (int_safely_convertible_to_real_p): Define.
(unsafe_conversion_p): Check conversions involving complex types.
(conversion_warning): Add new warning message for conversions which
discard imaginary component.
* c-common.h: (enum conversion_safety): Add new enumerator for such
conversions.

gcc/testsuite/
* gcc.dg/Wconversion-complex-c99.c: New test.
* gcc.dg/Wconversion-complex-gnu.c: New test.

From-SVN: r223223

2015-05-15  Marc Glisse  <marc.glisse@inria.fr>

	PR tree-optimization/64454
gcc/
	* match.pd ((X % Y) % Y, (X % Y) < Y): New patterns.
	(-1 - A -> ~A): Remove unnecessary condition.
gcc/testsuite/
	* gcc.dg/modmod.c: New testcase.

From-SVN: r223221

2015-05-15  Martin Galvan  <martin.galvan@tallertechnologies.com>

        * config/arm/lib1funcs.S (CFI_START_FUNCTION, CFI_END_FUNCTION):
        New macros.
        * config/arm/ieee754-df.S: Add CFI directives.
        * config/arm/ieee754-sf.S: Add CFI directives.

From-SVN: r223220

On behalf of Szabolcs Nagy.

2015-05-15  Gregor Richards  <gregor.richards@uwaterloo.ca>

	* config/i386/linux.h (MUSL_DYNAMIC_LINKER): Define.
	* config/i386/linux64.h (MUSL_DYNAMIC_LINKER32): Define.
	(MUSL_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKERX32): Define.

From-SVN: r223218

From-SVN: r223217

gcc/

	* ipa-chkp.h (chkp_wrap_function): New.
	* ipa-chkp.c (chkp_wrap_function): Remove 'static'.
	(chkp_wrap_function_name): New.
	(chkp_build_instrumented_fndecl): Use chkp_wrap_function_name
	to get wrapper name.
	* lto-cgraph.c: Include ipa-chkp.h.
	(input_cgraph_1): Avoid alias chain for wrappers.

gcc/testsuite/

	* gcc.dg/lto/chkp-wrap-asm-name_0.c: New.

From-SVN: r223216

re PR middle-end/66134 ([CHKP] ICE: Unable to coalesce ssa_names 18 and 17 which are marked as MUST COALESCE)

gcc/

	PR middle-end/66134
	* tree-chkp.c (chkp_get_orginal_bounds_for_abnormal_copy): New.
	(chkp_maybe_copy_and_register_bounds): Don't copy abnormal copy.

gcc/testsuite/

	PR middle-end/66134
	* gcc.target/i386/mpx/pr66134.c: New test.

From-SVN: r223215

	* config/aarch64/aarch64.h (AARCH64_TUNE_SLOWMUL): Delete.
	(AARCH64_FL_SLOWMUL): Delete.
	(AARCH64_FL_CRC): Redefine to 1<<3.
	(AARCH64_FL_USE_FMA_STEERING_PASS): Redefine to 1<<4.

From-SVN: r223214

2015-05-15  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/arm.h (LOGICAL_OP_NON_SHORT_CIRCUIT): Add appropriate
	casting.

From-SVN: r223213

2015-05-15  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/arm.h (LOGICAL_OP_NON_SHORT_CIRCUIT): Add appropriate
	casting.

From-SVN: r223212

	* config/alpha/alpha.md (extendqidi2): Use general_operand
	instead of some_operand for operand[1] predicate.
	(extendhidi2): Ditto.
	(cbranchdi4): Use general_operand instead of some_operand
	for operand[1] and operands[2] predicates.
	(cstoredi4): Ditto.
	* config/alpha/predicates.md (some_operand): Remove unused predicate.
	(some_ni_operand): Ditto.

From-SVN: r223211

	* config/alpha/alpha.c (alpha_extract_integer): Do not handle
	CONST_WIDE_INT and CONST_DOUBLE.  Assert CONST_INT_P (x).
	(alpha_legitimate_constant_p) <case CONST_WIDE_INT>: Check high and
	low part of the constant using alpha_emit_set_const_1.
	(alpha_expand_mov): Do not handle CONST_WIDE_INT and CONST_DOUBLE.

From-SVN: r223210

varasm.c (output_constant_pool_1): Pass down alignment from constant pool entry's descriptor to output_constant_pool_2.

2015-05-14  Rohit Arul Raj  <rohitrulraj@freescale.com>

	* varasm.c (output_constant_pool_1): Pass down alignment from
	constant pool entry's descriptor to output_constant_pool_2.
	(output_object_block): Add comment prior to call to
	output_constant_pool_1.

	* gcc.target/powerpc/pr60158.c: New test.

From-SVN: r223209

From-SVN: r223208

2015-05-14  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/65862
	* target.def (ira_change_pseudo_allocno_class): New hook.
	* targhooks.c (default_ira_change_pseudo_allocno_class): Default
	value of the hook.
	* targhooks.h (default_ira_change_pseudo_allocno_class): New
	extern
	* doc/tm.texi.in (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Add the
	hook.
	* ira-costs.c (find_costs_and_classes): Call the hook and change
	classes when it is necessary.
	* doc/tm.texi: Update.

From-SVN: r223202

i386.md (sibcall_memory): Check that register with callee address is not also used as one of the arguments...

	* config/i386/i386.md (sibcall_memory): Check that register with
	callee address is not also used as one of the arguments, instead
	of checking that it is not live after the sibcall.
	(sibcall_pop_memory): Ditto.
	(sibcall_value_memory): Ditto.
	(sibcall_value_pop_memory): Ditto. 
testsuite:
	* gcc.target/i386/sibcall-7.c: New test.
	* gcc.target/i386/sibcall-8.c: New test.

From-SVN: r223201

2015-05-14  Marc Glisse  <marc.glisse@inria.fr>

gcc/
	* generic-match-head.c (types_match): Handle non-types.
	* gimple-match-head.c (types_match): Likewise.
	* match.pd: Remove unnecessary TREE_TYPE for types_match.

From-SVN: r223199

2015-05-14  Nathan Myers  <ncm@cantrip.org>
	    Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/66055
	* include/std/unordered_map (unordered_map, unordered_multimap): Add
	missing constructors.
	* include/std/unordered_set (unordered_set, unordered_multiset):
	Likewise.
	* testsuite/23_containers/unordered_map/cons/66055.cc: New.
	* testsuite/23_containers/unordered_multimap/cons/66055.cc: New.
	* testsuite/23_containers/unordered_multiset/cons/66055.cc: New.
	* testsuite/23_containers/unordered_set/cons/66055.cc: New.

Co-Authored-By: Jonathan Wakely <jwakely@redhat.com>

From-SVN: r223198

2015-05-14  Wilco Dijkstra  <wdijkstr@arm.com>

      gcc/
	* config/aarch64/aarch64.md (absdi2): Optimize abs expansion.
	(csneg3<mode>_insn): Enable expansion of pattern.

      gcc/testsuite/
	* gcc.target/aarch64/abs_1.c (abs64): Update test for new abs expansion.
	(abs64_in_dreg): Likewise.

From-SVN: r223197

	PR libstdc++/66011
	* acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for fchmod and
	sendfile.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* src/filesystem/ops.cc (do_copy_file): Fix arguments to open(). Do
	not return after copying contents. Use fchmod, fchmodat, and sendfile
	when available.
	(current_path, permissions, space): Use errno not return value.

From-SVN: r223196

	PR libstdc++/66018
	* acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for struct
	dirent.d_type.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* configure.ac (AC_STRUCT_DIRENT_D_TYPE): Remove.

From-SVN: r223194

	PR c/66066
	PR c/66127
	* c-common.c (c_fully_fold): Pass false down to c_fully_fold_internal.
	(c_fully_fold_internal): Fold C_MAYBE_CONST_EXPRs with
	C_MAYBE_CONST_EXPR_INT_OPERANDS set.  Add FOR_INT_CONST argument and
	use it.  If FOR_INT_CONST, require that all evaluated operands be
	INTEGER_CSTs.

	* c-typeck.c (digest_init): Call pedwarn_init with OPT_Wpedantic
	rather than with 0.

	* gcc.dg/pr14649-1.c: Add -Wpedantic.
	* gcc.dg/pr19984.c: Likewise.
	* gcc.dg/pr66066-1.c: New test.
	* gcc.dg/pr66066-2.c: New test.
	* gcc.dg/pr66066-3.c: New test.

From-SVN: r223193

rl78.c (rl78_select_section): Select the correct default section based upon the category of the decl.

	* config/rl78/rl78.c (rl78_select_section): Select the correct
	default section based upon the category of the decl.

From-SVN: r223192

From-SVN: r223189

config/
	* sjlj.m4: New file.
libgcc/
	* configure.ac: Include config/sjlj.m4.
	Remove manual SJLJ check, add GCC_CHECK_SJLJ_EXCEPTIONS and adjust.
	* config.in: Regenerate.
	* configure: Likewise.
	* config.host: Replace enable_sjlj_exceptions by ac_cv_sjlj_exceptions.
libjava/
	* configure.ac: Include config/sjlj.m4.
	Remove manual SJLJ check, add GCC_CHECK_SJLJ_EXCEPTIONS and adjust.
	* include/config.h.in: Regenerate.
	* configure: Likewise.
	* exception.cc: Replace SJLJ_EXCEPTIONS by __USING_SJLJ_EXCEPTIONS__.
	* stacktrace.cc: Likewise.
	* include/default-signal.h: Likewise.
	* sysdep/i386/backtrace.h: Likewise.
libobjc/
	* configure.ac: Remove manual SJLJ check.
	* config.h.in: Regenerate.
	* configure: Likewise.
	* exception.c: Replace SJLJ_EXCEPTIONS by __USING_SJLJ_EXCEPTIONS__.
libstdc++-v3/
	* acinclude.m4 (GLIBCXX_ENABLE_SJLJ_EXCEPTIONS): Delete.
	* configure.ac: Remove GLIBCXX_ENABLE_SJLJ_EXCEPTIONS.
	* config.h.in: Regenerate.
	* configure: Likewise.
	* libsupc++/eh_personality.cc: Replace _GLIBCXX_SJLJ_EXCEPTIONS by
	__USING_SJLJ_EXCEPTIONS__.
	* libsupc++/eh_throw.cc: Likewise.
	* libsupc++/eh_ptr.cc: Likewise.
	* doc/html/manual/appendix_porting.html: Remove
	GLIBCXX_ENABLE_SJLJ_EXCEPTIONS
	* doc/xml/manual/build_hacking.xml: Likewise.
	* doc/html/manual/configure.html: Remove --enable-sjlj-exceptions.
	* doc/xml/manual/configure.xml: Likewise.

From-SVN: r223181

	PR rtl-optimization/30967
	* config/rs6000/rs6000.c (rs6000_rtx_costs): Don't consider
	destination mode for the cost of scc patterns.

From-SVN: r223174

	* config/i386/i386.md (*mul<mode>3_1): Merge with *mulhi3_1
	using SWIM248 mode iterator.
	(*mulv<mode>4): Use x86_64_sext_operand for operand[2] constraint.
	(*mulvhi4): mark operand[1] as commutative.  Use nonimmediate_operand
	for operand[2] constraint.
	(*mulv<mode>4_1): Merge with *mulvhi4_1 using SWI248 mode iterator.

From-SVN: r223173

	PR middle-end/66133
	* omp-low.c (expand_omp_taskreg): For GIMPLE_OMP_TASK expansion,
	make sure it is never noreturn, even when the task body does not
	return.
	(lower_omp_taskreg): For GIMPLE_OMP_TASK, emit GIMPLE_OMP_CONTINUE
	right before GIMPLE_OMP_RETURN.
	(make_gimple_omp_edges): Accept GIMPLE_OMP_CONTINUE as ->cont
	for GIMPLE_OMP_TASK.  For GIMPLE_OMP_RETURN corresponding to
	GIMPLE_OMP_TASK add an EDGE_ABNORMAL edge from entry to exit.

	* testsuite/libgomp.c/pr66133.c: New test.

From-SVN: r223171

	* include/bits/shared_ptr_base.h (__shared_count(unique_ptr&&)): Check
	for nullptr (LWG 2415).
	* testsuite/20_util/shared_ptr/cons/unique_ptr_deleter.cc: Test
	construction from empty unique_ptr.
	* testsuite/20_util/shared_ptr/cons/43820_neg.cc: Adjust dg-error.
	* testsuite/20_util/shared_ptr/cons/void_neg.cc: Likewise.

From-SVN: r223170

	* params.def (PARAM_MAX_POW_SQRT_DEPTH): New param.
	* tree-ssa-math-opts.c: Include params.h
	(pow_synth_sqrt_info): New struct.
	(representable_as_half_series_p): New function.
	(get_fn_chain): Likewise.
	(print_nested_fn): Likewise.
	(dump_fractional_sqrt_sequence): Likewise.
	(dump_integer_part): Likewise.
	(expand_pow_as_sqrts): Likewise.
	(gimple_expand_builtin_pow): Use above to attempt to expand
	pow as series of square roots.  Removed now unused variables.

	* gcc.target/aarch64/pow-sqrt-synth-1.c: New test.
	* gcc.dg/pow-sqrt.x: New file.
	* gcc.dg/pow-sqrt-1.c: New test.
	* gcc.dg/pow-sqrt-2.c: Likewise.
	* gcc.dg/pow-sqrt-3.c: Likewise.

From-SVN: r223167

	* config/alpha/alpha.c (alpha_emit_set_long_const): Remove c1 argument.
	(alpha_extract_integer): Redeclare as static HOST_WIDE_INT.
	Remove *p0 and *p1 arguments.  Rewrite function.
	(alpha_legitimate_constant_p): Update call to alpha_extract_integer.
	(alpha_split_const_mov): Update calls to alpha_extract_integer and
	alpha_emit_set_long_const.
	(alpha_expand_epilogue): Update calls to alpha_emit_set_long_const.
	(alpha_output_mi_thunk_osf): Ditto.
	* config/alpha/alpha.md (movti): Do not check operands[1]
	for CONST_DOUBLE.

From-SVN: r223166

2015-05-13  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/66129
	* tree-vect-slp.c (vect_build_slp_tree): Make sure all ops are
	commutative.
	(vect_schedule_slp_instance): Fix typo.

From-SVN: r223164

gcc/ChangeLog:
	* common.opt (fdump-internal-locations): New option.
	* input.c: Include diagnostic-core.h.
	(get_end_location): New function.
	(write_digit): New function.
	(write_digit_row): New function.
	(dump_location_range): New function.
	(dump_labelled_location_range): New function.
	(dump_location_info): New function.
	* input.h (dump_location_info): New prototype.
	* toplev.c (compile_file): Handle flag_dump_locations.

libcpp/ChangeLog:
	* include/line-map.h (source_location): Add a reference to
	location-example.txt to the descriptive comment.
	* location-example.txt: New file.

From-SVN: r223163

	* include/bits/stl_raw_storage_iter.h (raw_storage_iterator::base()):
	Define (LWG 2454).
	* testsuite/20_util/raw_storage_iterator/base.cc: New.

From-SVN: r223162

	* include/std/future (packaged_task(allocator_arg_t, const A&, F&&):
	Remove explicit (LWG 2407).

From-SVN: r223161

	* include/bits/basic_string.h (basic_string::basic_string()): Make
	noexcept conditional on allocator (LWG 2455).

From-SVN: r223160

From-SVN: r223159

	* include/experimental/tuple (apply): Handle pointers to member (LWG
	2418).
	* include/std/functional (_Mem_fn_base): Make constructors constexpr.
	(_Maybe_wrap_member_pointer::__do_wrap): Make constexpr.
	* testsuite/experimental/tuple/apply.cc: Test pointer to member.

From-SVN: r223158

	* gimple-expr.h (is_gimple_constant): Reorder.
	* tree-ssa-propagate.c (before_dom_children): Use inline accessor.

From-SVN: r223156