The __glibcxx_assert macro should be used to check preconditions that
users must meet, not to check postconditions that the implementation
must meet. We have tests to verify std::variant meets its
postconditions, users shouldn't pay for those checks at runtime.

	PR libstdc++/85184
	* include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
	Remove assertions.
	(variant::emplace<_Tp>): Remove result of emplace<N> directly.

From-SVN: r270117

These hash specializations should have been added when the pmr::string
and related typedefs were added.

	* include/std/string (__hash_string_base): New class template defining
	operator() for hashing strings.
	(hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
	(hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
	* testsuite/21_strings/basic_string/hash/hash.cc: New test.
	* testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.

From-SVN: r270116

re PR fortran/89375 (fortran/expr.c:4723:5: warning: logical ‘or’ of equal expressions [-Wlogical-op])

2019-04-03  Dominique d'Humieres  <dominiq@gcc.gnu.org>

	PR fortran/89375
	* expr.c (comp_pointer): Remove redundant condition.

From-SVN: r270115

2019-04-03  Richard Biener  <rguenther@suse.de>

	PR lto/89896
	* lto-wrapper.c (run_gcc): Avoid implicit rules making
	the all target phony.

From-SVN: r270112

A mem-initializer is not a type, and we don't want to turn autos within it
into packs.

	* pt.c (make_pack_expansion): Change type_pack_expansion_p to false.

From-SVN: r270111

From-SVN: r270110

From-SVN: r270105

	PR target/89902
	PR target/89903
	* config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
	Return false for variable DImode shifts.
	(dimode_scalar_chain::compute_convert_gain): Do not handle
	register count operand in variable DImode shifts.
	(dimode_scalar_chain::make_vector_copies): Remove support to copy
	count argument of a variable shift instruction to a vector register.
	(dimode_scalar_chain::convert_reg): Remove support to convert
	count argument of a variable shift instruction.

testsuite/ChangeLog:

	PR target/89902
	PR target/89903
	* gcc.target/i386/pr70799-4.c: Remove.
	* gcc.target/i386/pr70799-5.c: Remove.
	* gcc.target/i386/pr89902.c: New test.
	* gcc.target/i386/pr89903.c: Ditto.

From-SVN: r270102

2019-04-02  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/84206
	* sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
	iterating over loop headers.

	* gcc.dg/pr84206.c: New test.

From-SVN: r270096

2019-04-02  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/85876
	* sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
	beyond the original fence.

	* gcc.dg/pr85876.c: New test.

From-SVN: r270095

gcc/ChangeLog:
2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>

        * config.gcc: Mark spu* targets as deprecated/obsolete.

From-SVN: r270092

gcc/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/s390-builtin-types.def: New builtin function type
	definitions. Remove unused types.
	* config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
	(s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
	(s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
	overloaded builtins.
	(s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
	(s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
	* config/s390/vecintrin.h (vec_float): New builtin macro definition.
	(vec_double, vec_signed, vec_unsigned): Define to use the new
	overloaded builtins.
	* config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
	Remove expanders.

gcc/testsuite/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* gcc.target/s390/zvector/vec-double-compile.c: New test.
	* gcc.target/s390/zvector/vec-float-compile.c: New test.
	* gcc.target/s390/zvector/vec-signed-compile.c: New test.
	* gcc.target/s390/zvector/vec-unsigned-compile.c: New test.

From-SVN: r270091

gcc/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/s390-builtin-types.def: New builtin function type
	definitions.
	* config/s390/s390-builtins.def (s390_vec_search_string_cc)
	(s390_vec_search_string_until_zero_cc): New overloaded builtins.
	(s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
	(s390_vstrszh, s390_vstrszf): New low-level builtins.
	* config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
	constant definitions.
	* config/s390/vecintrin.h (vec_search_string_cc)
	(vec_search_string_until_zero_cc): New builtin name definitions.
	* config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
	expanders.
	("vec_vstrs<mode>"): New insn definition.

gcc/testsuite/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* gcc.target/s390/zvector/vec-search-string-cc-1.c: New test.
	* gcc.target/s390/zvector/vec-search-string-cc-compile.c: New test.
	* gcc.target/s390/zvector/vec-search-string-until-zero-cc-1.c: New test.
	* gcc.target/s390/zvector/vec-search-string-until-zero-cc-compile.c: New test.

From-SVN: r270090

gcc/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/s390-builtin-types.def: Add new builtin function
	types.
	* config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
	New overloaded builtins.
	(s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
	s390_vsrd.
	* config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
	(UNSPEC_VEC_SLDBYTE): ... this.
	(UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
	* config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
	definitions.
	* config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
	Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
	("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.

gcc/testsuite/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* gcc.target/s390/zvector/vec-shift-left-double-by-bit-1.c: New test.
	* gcc.target/s390/zvector/vec-shift-right-double-by-bit-1.c: New test.

From-SVN: r270089

gcc/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
	New insn definition.
	* config/s390/vx-builtins.md (V_HW_HSD): Move to ...
	* config/s390/vector.md (V_HW_HSD): ... here.

gcc/testsuite/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* gcc.target/s390/zvector/replicate-bswap-1.c: New test.
	* gcc.target/s390/zvector/replicate-bswap-2.c: New test.

From-SVN: r270088

	PR testsuite/89916
	* gcc.dg/pr86928.c: Do not attempt to add -m32.

From-SVN: r270087

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
	* config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
	("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
	("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
	New insn definitions.

gcc/testsuite/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* gcc.target/s390/zvector/bswap-and-replicate-1.c: New test.
	* gcc.target/s390/zvector/get-element-bswap-1.c: New test.
	* gcc.target/s390/zvector/get-element-bswap-2.c: New test.
	* gcc.target/s390/zvector/get-element-bswap-3.c: New test.
	* gcc.target/s390/zvector/get-element-bswap-4.c: New test.
	* gcc.target/s390/zvector/set-element-bswap-1.c: New test.
	* gcc.target/s390/zvector/set-element-bswap-2.c: New test.
	* gcc.target/s390/zvector/set-element-bswap-3.c: New test.

From-SVN: r270086

gcc/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/s390-builtin-types.def: Add new builtin function type.
	* config/s390/s390-builtins.def: Add overloaded builtin
	s390_vec_reve and low-level builtins for s390_vler and s390_vster.
	* config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
	* config/s390/vecintrin.h (vec_reve): New builtin name definition.
	* config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
	("eltswap<mode>"): New expander.
	("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
	insn definitions.

gcc/testsuite/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* gcc.target/s390/zvector/vec-reve-load-byte-z14.c: New test.
	* gcc.target/s390/zvector/vec-reve-load-byte.c: New test.
	* gcc.target/s390/zvector/vec-reve-load-halfword-z14.c: New test.
	* gcc.target/s390/zvector/vec-reve-load-halfword.c: New test.
	* gcc.target/s390/zvector/vec-reve-store-byte-z14.c: New test.
	* gcc.target/s390/zvector/vec-reve-store-byte.c: New test.

From-SVN: r270085

gcc/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/s390-builtin-types.def: Add new builtin function types.
	* config/s390/s390-builtins.def: Add overloaded builtin
	s390_vec_revb. Add low-level builtins for vlbr and vstbr
	instructions.
	* config/s390/vecintrin.h (vec_revb): New builtin name definition.
	* config/s390/vector.md (VT_HW_HSDT): New mode iterator.
	("bswap<mode>"): New expander.
	("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.

gcc/testsuite/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* gcc.target/s390/zvector/vec-revb-load-double-z14.c: New test.
	* gcc.target/s390/zvector/vec-revb-load-double.c: New test.
	* gcc.target/s390/zvector/vec-revb-store-double-z14.c: New test.
	* gcc.target/s390/zvector/vec-revb-store-double.c: New test.

From-SVN: r270084

gcc/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
	* config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
	vector builtin version number in __VEC__.

From-SVN: r270083

gcc/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
	iterators.
	(SFSI): New mode attribute.
	("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
	("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
	rename to ...
	("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
	("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
	("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
	("floatsi<mode>2"): Add wcefb instruction.

From-SVN: r270082

gcc/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/s390.md ("xde"): Extend mode attribute to vector
	types.
	* config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
	mode iterators.
	("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
	("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
	support 32 bit fp-int conversions. Rename to ...
	("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
	("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
	("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
	("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
	... to these.

gcc/testsuite/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* gcc.target/s390/arch13/fp-signedint-convert-1.c: New test.
	* gcc.target/s390/arch13/fp-unsignedint-convert-1.c: New test.

From-SVN: r270081

Compared to the load on condition instructions we already have the new
select instruction allows to have a THEN and and ELSE source operand -
but only for register to register loads.

gcc/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
	if-then-else constructs if we can use the select instruction.
	* config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.

gcc/testsuite/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* gcc.target/s390/arch13/sel-1.c: New test.

From-SVN: r270080

 variant.

The new arch13 popcount instruction counts bits in the entire 64 bit
register instead of just in 8 bit portions.

gcc/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/s390.md ("*popcountdi_arch13_cc")
	("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
	definition.
	("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
	Append _z196 to make it ...
	("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
	("popcounthi2_z196"): ... this.
	("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
	("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.

gcc/testsuite/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* gcc.target/s390/arch13/popcount-1.c: New test.

From-SVN: r270079

Make use of the new bit operation instructions when generating code
for the arch13 level.

gcc/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/s390.c (s390_canonicalize_comparison): Convert
	certain compares for arch13 in order to make use of the condition
	code result produced by the new instructions.
	(s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
	nxrk, and nxgrk instruction patterns.
	* config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
	(inv_no): Add new code iterator together with some attributes.
	("*andc_split_<mode>"): Disable splitter for arch13.
	("*<ANDOR:bitops_name>c<GPR:mode>_cc")
	("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
	("*<ANDOR:bitops_name>c<GPR:mode>")
	("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
	("*n<ANDOR:inv_bitops_name><mode>_cconly")
	("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
	("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.

gcc/testsuite/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* gcc.target/s390/arch13/bitops-1.c: New test.
	* gcc.target/s390/arch13/bitops-2.c: New test.
	* gcc.target/s390/md/andc-splitter-1.c: Add -march=z14 build
	option and adjust line numbers.
	* gcc.target/s390/md/andc-splitter-2.c: Likewise.

From-SVN: r270078

This patch enables the command line options and provides the proper
macros for checking.

gcc/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* common/config/s390/s390-common.c (processor_flags_table): New
	entry for arch13.
	* config.gcc: Support arch13 with the --with-arch= configure flag.
	* config/s390/driver-native.c (s390_host_detect_local_cpu):
	* config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
	* config/s390/s390.c (s390_get_sched_attrmask)
	(s390_get_unit_mask): Add PROCESSOR_ARCH13.
	* config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
	* config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
	(TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
	(TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
	definitions.
	* config/s390/s390.opt: Support arch13 as processor type in
	command line options.

gcc/testsuite/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* gcc.target/s390/s390.exp: Run tests in arch13 subdir.
	* lib/target-supports.exp (check_effective_target_s390_vxe2): New
	runtime check for the vxe2 hardware feature on IBM Z.

From-SVN: r270077

2019-04-02  Martin Liska  <mliska@suse.cz>

	PR translation/89912
	* params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
	Fix param description of graphite-max-arrays-per-scop.

From-SVN: r270076

	* config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
	(ASAN_CC1_SPEC): Use it in 64-bit mode.
	* config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.

From-SVN: r270075

gcc/po/ChangeLog:

2019-04-02  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/89823
	* EXCLUDES: Update list of d/dmd sources.
	* gcc.pot: Regenerated.

From-SVN: r270074

From-SVN: r270072

From-SVN: r270069

DR 1321 clarified that two dependent names are equivalent if the names are
the same, even if the result of name lookup is different.  We need to
implement that in hashing like we already do in comparison and mangling.

	* pt.c (iterative_hash_template_arg) [CALL_EXPR]: Use
	dependent_name.

From-SVN: r270068

check_avx2_available should check avx2_available, instead of avx_available.
Otherwise, check_avx2_available may use result from check_avx_available.

	PR testsuite/89907
	* lib/target-supports.exp (check_avx2_available): Replace
	avx_available with avx2_available.

From-SVN: r270066

2019-04-01  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/85412
	* sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
	sel_sched_region_1, not after.

	* gcc.dg/pr85412.c: New test.

From-SVN: r270065

re PR c++/62207 (ICE: tree check: expected tree that contains 'decl minimal' structure, have 'overload' in tsubst_copy, at cp/pt.c)

/cp
2019-04-01  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/62207
	* pt.c (tsubst_copy): Deal with lookup_name not returing a variable.

/testsuite
2019-04-01  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/62207
	* g++.dg/template/crash130.C: New.
	* g++.dg/template/crash131.C: Likewise.

From-SVN: r270064

gcc/c-family/ChangeLog:

	PR c/89685
	* c-attribs.c (handle_copy_attribute): Handle references and
	non-constant expressions.

gcc/testsuite/ChangeLog:

	PR c/89685
	* gcc.dg/attr-copy-8.c: New test.
	* g++.dg/ext/attr-copy-2.C: New test.

From-SVN: r270062

2019-04-01  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/86928
	* sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
	compute_live if necessary.
	(sel_redirect_edge_and_branch): Likewise.

	* gcc.dg/pr86928.c: New test.

From-SVN: r270061

2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/89865
	* ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
	register if it is a part of small class.

From-SVN: r270060

2019-04-01  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/87273
	* sel-sched-ir.c (merge_fences): Remove assert.

	* gcc.dg/pr87273.c: New test.

From-SVN: r270059

    PR d/88462
libphobos: Fix abort in pthread_mutex_init on Solaris.

Merges upstream druntime d57fa1ff.

Reviewed-on: https://github.com/dlang/druntime/pull/2534

From-SVN: r270057