PR c++/66543 - -Wunused-but-set* false positives

* expr.c (mark_exp_read): Handle NON_DEPENDENT_EXPR.
* pt.c (make_pack_expansion): Call mark_exp_read.
* semantics.c (finish_id_expression): Call mark_type_use in
unevaluated context.

From-SVN: r235221

re PR libfortran/70684 (incorrect reading of values from file on Windows)

2016-04-19  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

PR libgfortran/70684
* io/list_read (check_buffers): Add '\r' to check for end of line.
factor.

* gfortran.dg/list_read_14.f90: New test.

From-SVN: r235220

DR 2137 - copy-constructor rank in list-initialization

* call.c (implicit_conversion): If we choose a copy constructor
for list-initialization from the same type, the conversion is an
exact match.

From-SVN: r235219

Improve constexpr handling of other loop forms.

* constexpr.c (breaks): Handle EXIT_EXPR.
(cxx_eval_loop_expr): Handle COMPOUND_EXPR body.
(cxx_eval_constant_expression): Handle EXIT_EXPR, improve handling
of COMPOUND_EXPR.

From-SVN: r235218

PR c++/68206 - Fix constexpr diagnostics with loops.

PR c++/68530
* constexpr.c (potential_constant_expression_1): Handle LOOP_EXPR
and GOTO_EXPR.

From-SVN: r235217

libstdc++/69703 ignore endianness in codecvt_utf8

PR libstdc++/69703
* src/c++11/codecvt.cc (__codecvt_utf8_base<char16_t>::do_in)):
Override endianness bit in mode.
* testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: New test.
* testsuite/22_locale/codecvt/codecvt_utf8_utf16/66855.cc: Test
that little_endian mode is ignored.
* testsuite/experimental/filesystem/path/native/string.cc: New test.

From-SVN: r235216

libstdc++/70609 fix filesystem::copy()

PR libstdc++/70609
* src/filesystem/ops.cc (close_fd): New function.
(do_copy_file): Set permissions before copying file contents. Check
result of closing file descriptors. Don't copy streambuf when file
is empty.
(copy(const path&, const path&, copy_options, error_code&)): Use
lstat for source file when copy_symlinks is set.
* testsuite/experimental/filesystem/operations/copy.cc: Test copy().

From-SVN: r235215

Add noexcept to Filesystem TS operators

* include/experimental/bits/fs_fwd.h (operator&, operator|, operator^,
operator~ operator&=, operator|=, operator^=): Add noexcept to
overloaded operators for copy_options, perms and directory_options.
* src/filesystem/ops.cc (make_file_type, make_file_status,
is_not_found_errno, file_time): Add noexcept.

From-SVN: r235214

Tiny C++ cleanups.

* pt.c (tsubst_expr): Remove shadowing declaration.
(tsubst_pack_expansion): Add assert.
* semantics.c (add_decl_expr): Use DECL_SOURCE_LOCATION.

From-SVN: r235213

Allocate memory on cache line if requested

Since GTM::gtm_thread has

gtm_thread *next_thread __attribute__((__aligned__(HW_CACHELINE_SIZE)));

GTM::gtm_thread::operator new () calls xmalloc with separate_cl == true.
xmalloc must return memory on cache line in this case.

PR libitm/70456
* util.cc (xmalloc): Use posix_memalign to allocate memory on
on cache line if requested.

From-SVN: r235211

c++14_warning.h: Do not refer C++14 as experimental.

2016-04-19  Edward Smith-Rowland  <3dw4rd@verizon.net>

* include/bits/c++14_warning.h: Do not refer C++14 as experimental.

From-SVN: r235210

Remove UNSPEC_LOADU and UNSPEC_STOREU

Since *mov<mode>_internal and <avx512>_(load|store)<mode>_mask patterns
can handle unaligned load and store, we can remove UNSPEC_LOADU and
UNSPEC_STOREU.  We use function prototypes with pointer to scalar for
unaligned load/store builtin functions so that memory passed to
*mov<mode>_internal is unaligned.

gcc/

PR target/69201
* config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
const short * to __builtin_ia32_loaddquhi512_mask.
(_mm512_maskz_loadu_epi16): Likewise.
(_mm512_mask_storeu_epi16): Pass short * to
__builtin_ia32_storedquhi512_mask.
(_mm512_mask_loadu_epi8): Pass const char * to
__builtin_ia32_loaddquqi512_mask.
(_mm512_maskz_loadu_epi8): Likewise.
(_mm512_mask_storeu_epi8): Pass char * to
__builtin_ia32_storedquqi512_mask.
* config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
const double * to __builtin_ia32_loadupd512_mask.
(_mm512_mask_loadu_pd): Likewise.
(_mm512_maskz_loadu_pd): Likewise.
(_mm512_storeu_pd): Pass double * to
__builtin_ia32_storeupd512_mask.
(_mm512_mask_storeu_pd): Likewise.
(_mm512_loadu_ps): Pass const float * to
__builtin_ia32_loadups512_mask.
(_mm512_mask_loadu_ps): Likewise.
(_mm512_maskz_loadu_ps): Likewise.
(_mm512_storeu_ps): Pass float * to
__builtin_ia32_storeups512_mask.
(_mm512_mask_storeu_ps): Likewise.
(_mm512_mask_loadu_epi64): Pass const long long * to
__builtin_ia32_loaddqudi512_mask.
(_mm512_maskz_loadu_epi64): Likewise.
(_mm512_mask_storeu_epi64): Pass long long *
to __builtin_ia32_storedqudi512_mask.
(_mm512_loadu_si512): Pass const int * to
__builtin_ia32_loaddqusi512_mask.
(_mm512_mask_loadu_epi32): Likewise.
(_mm512_maskz_loadu_epi32): Likewise.
(_mm512_storeu_si512): Pass int * to
__builtin_ia32_storedqusi512_mask.
(_mm512_mask_storeu_epi32): Likewise.
* config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
char * to __builtin_ia32_storedquqi256_mask.
(_mm_mask_storeu_epi8): Likewise.
(_mm256_mask_loadu_epi16): Pass const short * to
__builtin_ia32_loaddquhi256_mask.
(_mm256_maskz_loadu_epi16): Likewise.
(_mm_mask_loadu_epi16): Pass const short * to
__builtin_ia32_loaddquhi128_mask.
(_mm_maskz_loadu_epi16): Likewise.
(_mm256_mask_loadu_epi8): Pass const char * to
__builtin_ia32_loaddquqi256_mask.
(_mm256_maskz_loadu_epi8): Likewise.
(_mm_mask_loadu_epi8): Pass const char * to
__builtin_ia32_loaddquqi128_mask.
(_mm_maskz_loadu_epi8): Likewise.
(_mm256_mask_storeu_epi16): Pass short * to.
__builtin_ia32_storedquhi256_mask.
(_mm_mask_storeu_epi16): Pass short * to.
__builtin_ia32_storedquhi128_mask.
* config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
const double * to __builtin_ia32_loadupd256_mask.
(_mm256_maskz_loadu_pd): Likewise.
(_mm_mask_loadu_pd): Pass onst double * to
__builtin_ia32_loadupd128_mask.
(_mm_maskz_loadu_pd): Likewise.
(_mm256_mask_storeu_pd): Pass double * to
__builtin_ia32_storeupd256_mask.
(_mm_mask_storeu_pd): Pass double * to
__builtin_ia32_storeupd128_mask.
(_mm256_mask_loadu_ps): Pass const float * to
__builtin_ia32_loadups256_mask.
(_mm256_maskz_loadu_ps): Likewise.
(_mm_mask_loadu_ps): Pass const float * to
__builtin_ia32_loadups128_mask.
(_mm_maskz_loadu_ps): Likewise.
(_mm256_mask_storeu_ps): Pass float * to
__builtin_ia32_storeups256_mask.
(_mm_mask_storeu_ps): ass float * to
__builtin_ia32_storeups128_mask.
(_mm256_mask_loadu_epi64): Pass const long long * to
__builtin_ia32_loaddqudi256_mask.
(_mm256_maskz_loadu_epi64): Likewise.
(_mm_mask_loadu_epi64): Pass const long long * to
__builtin_ia32_loaddqudi128_mask.
(_mm_maskz_loadu_epi64): Likewise.
(_mm256_mask_storeu_epi64): Pass long long * to
__builtin_ia32_storedqudi256_mask.
(_mm_mask_storeu_epi64): Pass long long * to
__builtin_ia32_storedqudi128_mask.
(_mm256_mask_loadu_epi32): Pass const int * to
__builtin_ia32_loaddqusi256_mask.
(_mm256_maskz_loadu_epi32): Likewise.
(_mm_mask_loadu_epi32): Pass const int * to
__builtin_ia32_loaddqusi128_mask.
(_mm_maskz_loadu_epi32): Likewise.
(_mm256_mask_storeu_epi32): Pass int * to
__builtin_ia32_storedqusi256_mask.
(_mm_mask_storeu_epi32): Pass int * to
__builtin_ia32_storedqusi128_mask.
* config/i386/i386-builtin-types.def (PCSHORT): New.
(PINT64): Likewise.
(V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
(V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
(V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
(V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
(V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
(V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
(V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
(V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
(V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
(V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
(V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
(V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
(V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
(V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
(V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
(V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
(V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
(V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
(VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
(VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
(VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
(VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
(VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
(VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
(VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
(VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
(VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
(VOID_FTYPE_PINT_V16SI_UHI): Likewise.
(VOID_FTYPE_PINT_V8SI_UHI): Likewise.
(VOID_FTYPE_PINT_V4SI_UHI): Likewise.
(VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
(VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
(VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
(VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
(VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
(VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
(V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
(V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
(V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
(V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
(V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
(V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
(VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
(VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
(VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
(VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
(VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
(VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
* config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
use UNSPEC_STOREU.
(ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
(ix86_avx256_split_vector_move_misalign): Don't use unaligned
load nor store.
(ix86_expand_vector_move_misalign): Likewise.
(bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
to scalar function prototype for unaligned load/store builtins.
(ix86_expand_special_args_builtin): Updated.
* config/i386/sse.md (UNSPEC_LOADU): Removed.
(UNSPEC_STOREU): Likewise.
(VI_ULOADSTORE_BW_AVX512VL): Likewise.
(VI_ULOADSTORE_F_AVX512VL): Likewise.
(ssescalarsize): Handle V4TI, V2TI and V1TI.
(<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
(*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
(<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
(<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
(<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
(*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
(sse2_avx_avx512f>_storedqu<mode>): Likewise.
(<avx512>_storedqu<mode>_mask): Likewise.
(*sse4_2_pcmpestr_unaligned): Likewise.
(*sse4_2_pcmpistr_unaligned): Likewise.
(*mov<mode>_internal): Renamed to ...
(mov<mode>_internal): This.  Remove check of AVX and IAMCU on
misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
(movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
(movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.

gcc/testsuite/

PR target/69201
* gcc.target/i386/avx256-unaligned-store-1.c (a): Make it
extern to force it misaligned.
(b): Likewise.
(c): Likewise.
(d): Likewise.
Check vmovups.*movv8sf_internal/3 instead of avx_storeups256.
Don't check `*' before movv4sf_internal.
* gcc.target/i386/avx256-unaligned-store-2.c: Check
vmovups.*movv32qi_internal/3 instead of avx_storeups256.
Don't check `*' before movv16qi_internal.
* gcc.target/i386/avx256-unaligned-store-3.c (a): Make it
extern to force it misaligned.
(b): Likewise.
(c): Likewise.
(d): Likewise.
Check vmovups.*movv4df_internal/3 instead of avx_storeupd256.
Don't check `*' before movv2df_internal.
* gcc.target/i386/avx256-unaligned-store-4.c (a): Make it
extern to force it misaligned.
(b): Likewise.
(c): Likewise.
(d): Likewise.
Check movv8sf_internal instead of avx_storeups256.
Check movups.*movv4sf_internal/3 instead of avx_storeups256.

From-SVN: r235209

re PR tree-optimization/70171 (Poor code generated when return struct using ternary operator)

2016-04-19  Richard Biener  <rguenther@suse.de>

PR tree-optimization/70171
* tree-ssa-phiprop.c: Include stor-layout.h.
(phiprop_insert_phi): Handle the aggregate copy case.
(propagate_with_phi): Likewise.

* g++.dg/tree-ssa/pr70171.C: New testcase.

From-SVN: r235208

i386.c (ix86_decompose_address): Use lowpart_subreg instead of simplify_gen_subreg (...

* config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
instead of simplify_gen_subreg (... , 0).
(ix86_delegitimize_address): Ditto.
(ix86_split_divmod): Ditto.
(ix86_split_copysign_const): Ditto.
(ix86_split_copysign_var): Ditto.
(ix86_expand_args_builtin): Ditto.
(ix86_expand_round_builtin): Ditto.
(ix86_expand_special_args_builtin): Ditto.
* config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
(TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
(udivmodqi4): Ditto.
(absneg splitters): Ditto.
(*jcc_bt<mode>_1): Ditto.

From-SVN: r235207

re PR c++/70522 (Hidden friend functions block qualified name lookup into nested unnamed namespace)

PR c++/70522

* name-lookup.c (qualified_lookup_using_namespace): Look through
hidden names.

From-SVN: r235206

standard_and_implementation_defined_restrictions.rst, [...]: Update documentation.

        * doc/gnat_rm/standard_and_implementation_defined_restrictions.rst,
        gnat_rm.texi: Update documentation.

From-SVN: r235205

[multiple changes]

2016-04-19  Olivier Hainque  <hainque@adacore.com>

* par_sco.adb (Traverse_One, case N_Case_Statement):
Skip pragmas before the first alternative.
(Traverse_Handled_Statement_Sequence, Exception_Handlers): Likewise.

2016-04-19  Tristan Gingold  <gingold@adacore.com>

* adaint.c (__gnat_lwp_self): New function (for darwin).
* s-osinte-darwin.ads, s-osinte-darwin.adb (lwp_self): Import
of __gnat_lwp_self.

From-SVN: r235204

re PR tree-optimization/70724 (Miscompiles python3 with FDO)

2016-04-19  Richard Biener  <rguenther@suse.de>

PR tree-optimization/70724
* tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
restoring out from ...
(free_scc_vn): ... here.
* tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
* tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
tail merging.
(pass_fre::execute): Restore SSA info.

* gcc.dg/torture/pr70724.c: New testcase.

From-SVN: r235203

sem_util.adb (Build_Elaboration_Entity): Always request an elab counter when preserving control-flow.

2016-04-19  Olivier Hainque  <hainque@adacore.com>

* sem_util.adb (Build_Elaboration_Entity): Always request an
elab counter when preserving control-flow.

2016-04-19  Olivier Hainque  <hainque@adacore.com>

* sem_ch13.adb (Build_Invariant_Procedure_Declaration): Set
Needs_Debug_Info when producing SCOs.
* par_sco.adb (Traverse_Aspects): Fix categorization of
Type_Invariant to match actual processing as activated depending
on pragma Assertion_Policy.
* sem_prag.adb (Analyze_Pragma): Remove special case for
Name_Invariant regarding SCO generation, which completely disabled
the production of SCOs for Invariant pragmas and aspects.

From-SVN: r235202

[multiple changes]

2016-04-19  Hristian Kirtchev  <kirtchev@adacore.com>

* checks.adb, sem_util.adb, sem_res.adb, sem_attr.adb: Minor
reformatting.

2016-04-19  Ed Schonberg  <schonberg@adacore.com>

* freeze.adb (Freeze_Profile): Refine predicate that checks
whether a function that returns a limited view is declared in
another unit and cannot be frozen at this point.

2016-04-19  Ed Schonberg  <schonberg@adacore.com>

* exp_aggr.adb (Component_Count): Handle properly superflat
arrays, i.e. empty arrays where Hi < Lo - 1, to ensure that the
return value of the function is Natural, rather than leaving
the handling of such arrays to the caller of this function.

From-SVN: r235200

[multiple changes]

2016-04-19  Arnaud Charlet  <charlet@adacore.com>

* sem_prag.adb, sem_attr.adb, par-prag.adb, exp_aggr.adb, sem_type.adb
sem_ch12.adb, sem_ch3.adb, exp_ch7.adb, exp_ch9.adb: Code cleanup.
* sem_res.adb, sem_util.ads, sem_util.adb (Is_OK_Volatile_Context):
Promoted from being a nested subprogram in Sem_Res.Resolve_Entity_Name
to publicly visible routine in Sem_Util.

2016-04-19  Ed Schonberg  <schonberg@adacore.com>

* checks.adb (Apply_Parameter_Aliasing_Checks): Do not apply
the check if the type of the actual is By_Reference.

From-SVN: r235199

sem_res.adb (Within_Subprogram_Call): Detect also nodes that appear in entry calls.

2016-04-19  Arnaud Charlet  <charlet@adacore.com>

* sem_res.adb (Within_Subprogram_Call): Detect
also nodes that appear in entry calls.
(Resolve_Actuals, Insert_Default): Propagate
dimension information if any, from default expression to the
copy that appears in the list of actuals.
* uintp.ads: minor whitespace fix in comment.
* sem_prag.adb, stringt.adb, inline.adb, lib-xref-spark_specific.adb:
Minor code cleanup.
* set_targ.adb (Set_Targ): convert directly from
Natural to Pos, without intermediate conversion to Int.

From-SVN: r235197

sem_ch6.adb (Process_Formals): Mark suspicious reference to SPARK RM in comment.

2016-04-19  Arnaud Charlet  <charlet@adacore.com>

* sem_ch6.adb (Process_Formals): Mark suspicious reference to
SPARK RM in comment.
* sem_prag.adb (Analyze_Global_Item): Fix reference to SPARK RM
in comment.
* sem_res.adb (Property_Error, Resolve_Actuals): Fix reference
to SPARK RM in both comment and error message.

From-SVN: r235196

sem_ch6.adb (Possible_Freeze): If the type is an incomplete CW type...

2016-04-19  Eric Botcazou  <ebotcazou@adacore.com>

* sem_ch6.adb (Possible_Freeze): If the type is an incomplete
CW type, then the subprogram must have a delayed freeze. This
ensures that the backend can properly recover the full view when
elaborating the access subprogram declaration.

From-SVN: r235195

[multiple changes]

2016-04-19  Ed Schonberg  <schonberg@adacore.com>

* sem_attr.adb (Resolve_Attribute, case 'Access): Freeze
overloadable entity if originally overloaded.

2016-04-19  Arnaud Charlet  <charlet@adacore.com>

* exp_aggr.adb, exp_ch3.adb, exp_ch7.adb, exp_ch9.adb, exp_code.adb,
exp_fixd.adb, namet.adb, osint.adb, osint.ads, par-ch2.adb,
sem_ch10.adb, sem_ch12.adb, sem_disp.adb, sem_elab.adb, sem_elim.adb
sem_util.adb, styleg.adb, styleg.ads, stylesw.ads: Minor code
clean up.

From-SVN: r235194

sem_util.adb (Copy_Node_With_Replacement): use Set_Comes_From_Source instead of directly manipulating internals of the...

2016-04-19  Arnaud Charlet  <charlet@adacore.com>

* sem_util.adb (Copy_Node_With_Replacement):
use Set_Comes_From_Source instead of directly manipulating
internals of the node table.
* sem_util.adb (Within_Scope): refactored to remove duplicated code.
* sem_aux.adb (Get_Rep_Pragma,
Subprogram_Body_Entity, Subprogram_Spec): declare variables that
do not change as constants and initialize them in the declaration.
(Get_Rep_Pragma, Subprogram_Body_Entity, Subprogram_Spec): declare
variables that do not change as constants and initialize them
in the declaration.

From-SVN: r235193

[multiple changes]

2016-04-19  Ed Schonberg  <schonberg@adacore.com>

* sem_res.adb (Resolve_Entry_Call): If the entry has
preconditions it is rewritten by means of a wrapper that
incorporates the original call. Before rewriting generate a
reference to the entry being called to prevent spurious warnings
and provide correct cross-reference information.

2016-04-19  Hristian Kirtchev  <kirtchev@adacore.com>

* sem_disp.adb (Check_Dispatching_Context): Code cleanup. Add
local constant Scop. Ignore any internally generated loops when
performing the check concerning an abstract subprogram call
without a controlling argument.
* sem_util.ads, sem_util.adb (Current_Scope_No_Loops): New routine.

From-SVN: r235192

[multiple changes]

2016-04-19  Bob Duff  <duff@adacore.com>

* sem_elab.adb (Check_A_Call): There are cases where we have No
(Ent) after the Alias loop, even when there was no previous error,
so we can't assert that there was an error.

2016-04-19  Ed Schonberg  <schonberg@adacore.com>

* sem_attr.adb (Analyze_Access_Attribute, OK_Self_Reference):
Reject use of type name as a prefix to 'access within an aggregate
in a context that is not the declarative region of a type.

2016-04-19  Vincent Celier  <celier@adacore.com>

* gnatcmd.adb: Make "gnat ls -P" invoke gprls Make "gnat bind
-P" invoke "gprbuild -b" Make "gnat link -P" invoke "gprbuild
-l" Fail if the invocation is "gnat find -P" or "gnat xref -P"
Remove anything related to project files
* g-mbdira.adb: minor whitespace cleanup
* g-spipat.adb: minor removal of extra spaces after closing paren

2016-04-19  Ed Schonberg  <schonberg@adacore.com>

* exp_ch6.adb (Expand_Actuals):  If post-statements are present
and the enclosing context is a function call or indexing, build
an Expression_With_Actions for the call.

2016-04-19  Hristian Kirtchev  <kirtchev@adacore.com>

* lib-writ.adb (Write_With_Lines): Code cleanup. Do not generate
a with line for an ignored Ghost unit.
* sem_ch7.adb (Analyze_Package_Declaration): Add local constant
Par. A child package is Ghost when its parent is Ghost.
* sem_prag.adb (Analyze_Pragma): Pragma Ghost can now apply to
a subprogram declaration that acts as a compilation unit.

From-SVN: r235191

gimple-walk.h (struct walk_stmt_info): Add stmt member.

2016-04-19  Richard Biener  <rguenther@suse.de>

* gimple-walk.h (struct walk_stmt_info): Add stmt member.
* gimple-walk.c (walk_gimple_op): Initialize it.
(walk_gimple_asm): Set wi->is_lhs before each callback invocation.
* tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
remapping SSA names of defs.
(copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
adjustment.

From-SVN: r235190

re PR middle-end/70689 (ICE on valid code at -O1 in 32-bit mode on x86_64-linux-gnu in curr_insn_transform, at lra-constraints.c:3564)

2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>

PR middle-end/70689
* lra-constraints.c (equiv_substition_p): New.
(process_alt_operands): Use it.
(swap_operands): Swap it.
(curr_insn_transform): Update it.

2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>

PR middle-end/70689
* testsuite/gcc.target/i386/pr70689.c: New.

From-SVN: r235184

Daily bump.

From-SVN: r235182

tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.

* tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
(SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
* tree-core.h (tree_type_common.align): Use bit-field.
(tree_type_common.spare): New.
(tree_decl_common.off_align): Make smaller.
(tree_decl_common.align): Use bit-field.

* expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
* omp-low.c (install_var_field): Use SET_DECL_ALIGN.
(scan_sharing_clauses): Ditto.
(finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
(omp_finish_file): Ditto.
* stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
(layout_decl): Ditto.
(relayout_decl): Ditto.
(finalize_record_size): Use SET_TYPE_ALIGN.
(finalize_type_size): Ditto.
(finish_builtin_struct): Ditto.
(layout_type): Ditto.
(initialize_sizetypes): Ditto.
* targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
* tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
(lookup_field_for_decl): Use SET_DECL_ALIGN.
(get_chain_field): Ditto.
(get_trampoline_type): Ditto.
(get_nl_goto_field): Ditto.
* tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
SET_DECL_ALIGN.
(unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
* gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
* tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
(build_qualified_type): Use SET_TYPE_ALIGN.
(build_aligned_type, build_range_type_1): Ditto.
(build_atomic_base): Ditto.
(build_common_tree_nodes): Ditto.
* cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
(expand_one_stack_var_at): Ditto.
* coverage.c (build_var): Use SET_DECL_ALIGN.
* except.c (init_eh): Ditto.
* function.c (assign_parm_setup_block): Ditto.
* symtab.c (increase_alignment_1): Ditto.
* tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
* tree-vect-stmts.c (ensure_base_align): Ditto.
* varasm.c (align_variable): Ditto.
(assemble_variable): Ditto.
(build_constant_desc): Ditto.
(output_constant_def_contents): Ditto.

* config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
* config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
* config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
* config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
* config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.

ada/
* gcc-interface/decl.c (gnat_to_gnu_entity): Use SET_TYPE_ALIGN.
(gnat_to_gnu_field): Ditto.
(components_to_record): Ditto.
(create_variant_part_from): Ditto.
(copy_and_substitute_in_size): Ditto.
(substitute_in_type): Ditto.
* gcc-interface/utils.c (make_aligning_type): Use SET_TYPE_ALIGN.
(make_packable_type): Ditto.
(maybe_pad_type): Ditto.
(finish_fat_pointer_type): Ditto.
(finish_record_type): Ditto and use SET_DECL_ALIGN.
(rest_of_record_type_compilation): Use SET_TYPE_ALIGN.
(create_field_decl): Use SET_DECL_ALIGN.

c-family/
* c-common.c (handle_aligned_attribute): Use SET_TYPE_ALIGN
and SET_DECL_ALIGN.

c/
* c-decl.c (merge_decls): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
(grokdeclarator, parser_xref_tag, finish_enum): Use SET_TYPE_ALIGN.

cp/
* class.c (build_vtable): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
(layout_class_type): Ditto.
(build_base_field): Use SET_DECL_ALIGN.
(fixup_attribute_variants): Use SET_TYPE_ALIGN.
* decl.c (duplicate_decls): Use SET_DECL_ALIGN.
(record_unknown_type): Use SET_TYPE_ALIGN.
(cxx_init_decl_processing): Ditto.
(copy_type_enum): Ditto.
(grokfndecl): Use SET_DECL_ALIGN.
(copy_type_enum): Use SET_TYPE_ALIGN.
* pt.c (instantiate_class_template_1): Use SET_TYPE_ALIGN.
(tsubst): Ditto.
* tree.c (cp_build_qualified_type_real): Use SET_TYPE_ALIGN.
* lambda.c (maybe_add_lambda_conv_op): Use SET_DECL_ALIGN.
* method.c (implicitly_declare_fn): Use SET_DECL_ALIGN.
* rtti.c (emit_tinfo_decl): Ditto.

fortran/
* trans-io.c (gfc_build_io_library_fndecls): Use SET_TYPE_ALIGN.
* trans-common.c (build_common_decl): Use SET_DECL_ALIGN.
* trans-types.c (gfc_add_field_to_struct): Use SET_DECL_ALIGN.

go/
* go-gcc.cc (Gcc_backend::implicit_variable): Use SET_DECL_ALIGN.

java/
* class.c (add_method_1): Use SET_DECL_ALIGN.
(make_class_data): Ditto.
(emit_register_classes_in_jcr_section): Ditto.
* typeck.c (build_java_array_type): Ditto.

objc/
* objc-act.c (objc_build_struct): Use SET_DECL_ALIGN.

libcc1/
* plugin.cc (plugin_finish_record_or_union): Use SET_TYPE_ALIGN.

From-SVN: r235172

Optimize load double into xmm with zero_extend

"movq" should used to load double into xmm register with zero_extend:

(set (reg:V2DF 90)
     (vec_concat:V2DF (reg/v:DF 88 [ d ])
                      (const_double:DF 0.0 [0x0.0p+0])))

Unlike "movsd", which only works with load from memory, "movq" works
with both memory and xmm register.

gcc/

PR target/70708
* config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
replace %vmovsd with "%vmovq".
(vec_concatv2df): Likewise.

gcc/testsuite/

PR target/70708
* gcc.target/i386/pr70708.c: New test.

From-SVN: r235169

re PR c++/70690 (r235002 miscompiles tcmalloc)

PR c++/70690

PR c++/70528
* class.c (type_maybe_constexpr_default_constructor): New.
(type_has_constexpr_default_constructor): Revert.

From-SVN: r235165

mmx.md (*vec_extractv2sf_0): Use gen_lowpart.

* config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
(*vec_extractv2si_0): Ditto.
* config/i386/sse.md (*vec_extractv4sf_0): Ditto.
(zero_extended_scalar_load_operand splitters): Ditto.
(vec_extract splitters): Ditto.
(*vec_extractv4si_0_zext): Ditto.
(avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
and lowpart_subreg.
(avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
(avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
(*sse4_1_extractps): Use lowpart_subreg.

From-SVN: r235164

Update install.texi for GCC 6 on Solaris

* doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
gld requirements.
(Specific, *-*-solaris2*): Update Solaris 11 bundled gcc
versions.
Mention Solaris 11 packaging changes.
Update gas and gld requirements.
Remove reference to pre-Solaris 10 bug.
(Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
systems and bugs.
(Specific, sparc64-*-solaris2*): Remove reference to bootstrap
with cc.

From-SVN: r235162

PR libstdc++/41759 reword static assertions in <random>

PR libstdc++/41759
* include/bits/random.h: Reword static assertion messages to state
positive conditions.
* include/bits/random.tcc: Likewise.
* include/bits/uniform_int_dist.h: Likewise.
* testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error
patterns.

From-SVN: r235160

tree-ssa-loop-ivopts.c (avg_loop_niter): Use also max_loop_iterations_int.

* tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
max_loop_iterations_int.

From-SVN: r235158

Remove unused typedefs in std::bind types

* include/std/function (_Bind, _Bind_result): Remove unused typedefs.

From-SVN: r235157

* config/cpu/sh/atomicity.h: Fix typo in comment.

From-SVN: r235156

Define std::thread::id comparison operators at namespace-scope

From-SVN: r235155

Make use of extensions more explicit in libstdc++ tests

* testsuite/18_support/bad_exception/23591_thread-1.c: Add
-Wno-pedantic to dg-options.
* testsuite/20_util/align/2.cc: Use type as operand of alignof.
* testsuite/20_util/is_floating_point/value.cc: Add -Wno-pedantic
to dg-options.
* testsuite/20_util/specialized_algorithms/uninitialized_fill/32158.cc:
Remove extra semi-colon.
* testsuite/23_containers/array/tuple_interface/tuple_element.cc:
Always supply second argument to static_assert.
* testsuite/25_algorithms/lower_bound/no_operator_ne.cc: Remove extra
semi-colon.
* testsuite/26_numerics/complex/c99.cc: Add -Wno-pedantic to
dg-options.
* testsuite/26_numerics/complex/literals/values.cc: Likewise.
* testsuite/29_atomics/atomic/60695.cc: Likewise.
* testsuite/29_atomics/atomic/62259.cc: use __alignof__ instead of
alignof when operand is an object not a type.
* testsuite/decimal/ctor.cc: Add -Wno-pedantic to dg-options.
* testsuite/decimal/make-decimal.cc: Likewise.
* testsuite/experimental/type_traits/value.cc: Always supply second
argument to static_assert.
* testsuite/util/testsuite_common_types.h: Use __extension__ for
__int128 types.

From-SVN: r235154

Don't include internal header in libstdc++ tests

* testsuite/experimental/type_erased_allocator/1.cc: Don't include
internal header.
* testsuite/experimental/type_erased_allocator/1_neg.cc: Likewise.
* testsuite/experimental/type_erased_allocator/2.cc: Likewise.
* testsuite/experimental/type_erased_allocator/uses_allocator.cc:
Likewise. Add licence and change to compile-only test.

From-SVN: r235153

Add attribute((unused)) in libstdc++ headers

* include/bits/locale_facets.h (ctype::do_narrow): Add attribute to
unused parameter.
* include/bits/regex_automaton.h (_NFA::_M_insert_alt): Likewise.

From-SVN: r235152

Avoid -Wsign-compare warnings in std::to_string()

* include/ext/string_conversions.h (__stoa): Avoid -Wsign-compare
        warnings.

From-SVN: r235151

re PR tree-optimization/43434 (Missed vectorization: "not vectorized: data ref analysis": pointer incremented by a parameter)

2016-04-18  Richard Biener  <rguenther@suse.de>

PR tree-optimization/43434
* tree-ssa-structalias.c (struct vls_data): New.
(visit_loadstore): Handle all pointer-based accesses.
(compute_dependence_clique): Compute a bitmap of restrict tags
assigned bases and pass it to visit_loadstore.

* gcc.dg/vect/pr43434.c: New testcase.
* c-c++-common/goacc/kernels-alias-3.c: Adjust.
* c-c++-common/goacc/kernels-alias-4.c: Likewise.
* c-c++-common/goacc/kernels-alias-5.c: Likewise.
* c-c++-common/goacc/kernels-alias-6.c: Likewise.
* c-c++-common/goacc/kernels-alias-7.c: Likewise.
* c-c++-common/goacc/kernels-alias-8.c: Likewise.
* gcc.dg/gomp/pr68640.c: Likewise.
* gfortran.dg/goacc/kernels-alias-3.f95: Likewise.
* gfortran.dg/goacc/kernels-alias-4.f95: Likewise.

From-SVN: r235147

[multiple changes]

2016-04-18  Arnaud Charlet  <charlet@adacore.com>

* einfo.adb (Overridden_Operation): assert that
function is called for valid arguments.
* sem_aggr.adb, sem_ch3.adb, sem_ch5.adb, sem_type.adb,
s-osinte-vxworks.ads, a-ngcefu.adb, sem_ch10.adb, einfo.ads,
sem_prag.adb, sem_ch12.adb, sem.adb, i-cobol.ads, freeze.adb,
sem_util.adb, a-chtgop.ads, s-rannum.adb, exp_ch6.adb, s-bignum.adb,
s-osinte-freebsd.ads, par-ch5.adb, a-chtgbo.ads, a-cofove.adb:
No space after closing parenthesis except where required for
layout.
* sem_res.adb: Minor reformatting.

2016-04-18  Arnaud Charlet  <charlet@adacore.com>

* exp_ch4.adb (Expand_N_Case_Expression): Convert into a case
statement when relevant.

2016-04-18  Bob Duff  <duff@adacore.com>

* a-cuprqu.adb (Enqueue): Properly handle the
case where the new element has a unique priority.

2016-04-18  Tristan Gingold  <gingold@adacore.com>

* adaint.h: Define stat structures and functions for iOS
simulator.

From-SVN: r235146

[multiple changes]

2016-04-18  Arnaud Charlet  <charlet@adacore.com>

* sem_res.adb (Resolve_Entry_Call): reset
Is_Overloaded flag after resolving calls to overloaded protected
operations.
* exp_spark.adb (Expand_SPARK): call
Qualify_Entity_Names for tasking nodes, i.e. protected types,
task types and entries.
* exp_ch4.adb (Expand_N_If_Expression): Refine previous change
in case of an unconstrained type.

2016-04-18  Yannick Moy  <moy@adacore.com>

* sem_eval.adb, sem_eval.ads (Check_Non_Static_Context): Add
comment to document usage of subprogram in GNATprove.

From-SVN: r235145

[multiple changes]

2016-04-18  Ed Schonberg  <schonberg@adacore.com>

* sem_prag.adb (Analyze_Pragma, case Test_Case): Improve error
message for wrong placement of aspect Test_Case.

2016-04-18  Hristian Kirtchev  <kirtchev@adacore.com>

* einfo.ads: Update the documentation of attribute Renamed_Object.
* exp_spark.adb (Expand_Potential_Renaming): Reimplemented.

2016-04-18  Gary Dismukes  <dismukes@adacore.com>

* exp_ch4.adb (Optimize_Length_Comparison): Return immediately
in the case of AAMP (same as for use of the -gnatd.P switch) to
suppress this optimization, which avoids creating a dependence
on the 64-bit arithmetic package.

From-SVN: r235144

Minor editing.

From-SVN: r235143

[multiple changes]

2016-04-18  Arnaud Charlet  <charlet@adacore.com>

* exp_ch4.adb: Update comment.

2016-04-18  Eric Botcazou  <ebotcazou@adacore.com>

* exp_ch6.adb (Expand_Call): Make sure instantiations are
registered only once as pending here.

From-SVN: r235142

[multiple changes]

2016-04-18  Arnaud Charlet  <charlet@adacore.com>

* exp_ch4.adb, gnat1drv.adb, opt.ads, sem_res.adb
(Minimize_Expression_With_Actions): New flag.
(Adjust_Global_Switches): Set Minimize_Expression_With_Actions
when generating C.
(Resolve_Short_Circuit): Redo previous change
using Minimize_Expression_With_Actions.
(Expand_N_If_Expression,
Expand_Short_Circuit_Operator): Restore old code to avoid
Expression_With_Actions when Minimize_Expression_With_Actions
is set.

2016-04-18  Vincent Celier  <celier@adacore.com>

* s-os_lib.adb (Non_Blocking_Spawn, version with Stdout_File and
Stderr_File): Close local file descriptors when no longer needed.

2016-04-18  Ed Schonberg  <schonberg@adacore.com>

* sem_ch5.adb (Analyze_Iterator_Specification): Remove SPARK
mode check that the type of the cursor in an iteration over
a formal container is not volatile. The proper check on the
element type is done elsewhere.

2016-04-18  Ed Schonberg  <schonberg@adacore.com>

* sem_ch6.adb (Process_Formals): Do not set a delay freeze on
a subprogram that returns a class-wide type, if the subprogram
is a compilation unit, because otherwise gigi will treat the
subprogram as external, leading to link errors.

From-SVN: r235141

sem_res.adb (Resolve_Short_Circuit): Do not use expression-with-actions when generating C.

2016-04-18  Arnaud Charlet  <charlet@adacore.com>

* sem_res.adb (Resolve_Short_Circuit): Do not use
expression-with-actions when generating C.

From-SVN: r235140

[multiple changes]

2016-04-18  Yannick Moy  <moy@adacore.com>

* sem_util.adb (Apply_Compile_Time_Constraint_Error): Do not generate
raise node in GNATprove mode.

2016-04-18  Hristian Kirtchev  <kirtchev@adacore.com>

* s-fileio.adb: Minor reformatting.
* sem_prag.adb (Analyze_Input_Item): Add local
variable Input_OK. Do not consider mappings of generic formal
parameters to actuals.

2016-04-18  Ed Schonberg  <schonberg@adacore.com>

* sem_ch5.adb (Get_Cursor_Type): If iterator type is a derived
type, the cursor is declared in the scope of the parent type.
(Analyze_Parameter_Specification): A qualified expression with an
iterator type indicates an iteration over a container (explicit
or implicit).

From-SVN: r235139

[multiple changes]

2016-04-18  Arnaud Charlet  <charlet@adacore.com>

* osint-c.ads, osint-c.adb (Delete_C_File, Delete_H_File): New.
* gnat1drv.adb (Gnat1drv): Delete old C files before regenerating them.
* debug.adb: Reserve -gnatd.4 to force generation of C files.

2016-04-18  Yannick Moy  <moy@adacore.com>

* sem_eval.adb (Eval_Arithmetic_Op): Do not issue error on static
division by zero, instead possibly issue a warning.
* sem_res.adb (Resolve_Arithmetic_Op): Do not issue error on
static division by zero, instead add check flag on original
expression.
* sem_util.adb, sem_util.ads (Compile_Time_Constraint_Error):
Only issue error when both SPARK_Mode is On and Warn is False.

2016-04-18  Yannick Moy  <moy@adacore.com>

* checks.adb (Apply_Scalar_Range_Check): Force
warning instead of error when SPARK_Mode is On, on index out of
bounds, and set check flag for GNATprove.

From-SVN: r235138

[multiple changes]

2016-04-18  Hristian Kirtchev  <kirtchev@adacore.com>

* sem_prag.adb (Check_In_Out_States.Check_Constituent_Usage):
Update the comment on usage.  Reimplemented.
(Check_Input_States.Check_Constituent_Usage): Update the comment
on usage. A Proof_In constituent can now refine an Input state
as long as there is at least one Input constituent present.

2016-04-18  Ed Schonberg  <schonberg@adacore.com>

* sem_ch6.adb (Check_Inline_Pragma): Use the Sloc of the
body id as the sloc of the entity in the generated subprogram
declaration, to avoid spurious conformance errors when style
checks are enabled.

From-SVN: r235137

[multiple changes]

2016-04-18  Ed Schonberg  <schonberg@adacore.com>

* sem_ch4.adb (Analyze_Selected_Component, Has_Dereference):
Refine check on illegal calls to entities within a task body,
when the entity is declared in an object of the same type. In
a generic context there might be no explicit dereference but if
the prefix includes an access type the construct is legal.

2016-04-18  Arnaud Charlet  <charlet@adacore.com>

* rtsfind.ads, rtsfind.adb (RE_Id, RE_Unit_Table): add
RE_Default_Priority.

2016-04-18  Bob Duff  <duff@adacore.com>

* sem_prag.adb (Check_Arg_Is_Local_Name): Don't do the check
if the pragma came from an aspect specification.

2016-04-18  Gary Dismukes  <dismukes@adacore.com>

* gnat1drv.adb, contracts.adb: Minor reformatting and wording fixes.

2016-04-18  Ed Schonberg  <schonberg@adacore.com>

* sem_ch6.adb (Analyze_Subprogram_Body_Helper): To suppress
superfluous conformance check on an inlined body with a previous
spec, use the fact that the generated declaration does not come
from source. We must treat the entity as coming from source to
enable some back-end inlining when pragma appears after the body.

From-SVN: r235136

[multiple changes]

2016-04-18  Gary Dismukes  <dismukes@adacore.com>

* lib-xref-spark_specific.adb, par-ch2.adb, errout.ads,
exp_intr.adb: Minor reformatting and typo corrections.

2016-04-18  Ed Schonberg  <schonberg@adacore.com>

* sem_ch6.adb: Code cleanup.

2016-04-18  Thomas Quinot  <quinot@adacore.com>

* sem_ch13.adb: Minor reformatting and error message tweaking
(remove extraneous spaces).

2016-04-18  Johannes Kanig  <kanig@adacore.com>

* gnat1drv.adb (Gnat1drv): Force loading of System unit for SPARK.

2016-04-18  Bob Duff  <duff@adacore.com>

* s-fileio.adb (Fopen_Mode): If Mode = Out_File, and the file
exists, and it's a fifo, we use "w" as the open string instead of
"r+". This is necessary to make a write to the fifo block until
a reader is ready.

2016-04-18  Hristian Kirtchev  <kirtchev@adacore.com>

* sem_attr.adb (Denote_Same_Function): Account
for a special case where a primitive of a tagged type inherits
a class-wide postcondition from a parent type.

From-SVN: r235135

par-ch2.adb (P_Expression_Or_Reserved_Word): New routine.

2016-04-18  Hristian Kirtchev  <kirtchev@adacore.com>

* par-ch2.adb (P_Expression_Or_Reserved_Word): New routine.
(P_Pragma): Signal Scan_Pragma_Argument_Association when the use
of reserved words is OK.
(Scan_Pragma_Argument_Association):
Add new formal Reserved_Words_OK and update the comment on
usage. Code cleanup. Parse an expression or a reserved word in
identifier form for pragmas Restriction_Warnings and Restrictions
No_Use_Of_Attribute.
* restrict.adb (Check_Restriction_No_Use_Of_Attribute):
Reimplemented. (Check_Restriction_No_Use_Of_Pragma): Code cleanup.
(Set_Restriction_No_Specification_Of_Aspect): Properly set the warning
flag for an aspect.
(Set_Restriction_No_Use_Of_Attribute): Properly set the warning
flag for an attribute. (Set_Restriction_No_Use_Of_Entity):
Update the parameter profile.
(Set_Restriction_No_Use_Of_Pragma): Properly set the warning flag for
a pragma.
* restrict.ads (Check_Restriction_No_Use_Of_Attribute): Update
the comment on usage.
(Set_Restriction_No_Use_Of_Entity): Update the parameter profile.
* sem_attr.adb (Analyze_Attribute): Check restriction
No_Use_Of_Attribute.
* sem_ch13.adb (Analyze_Attribute_Definition_Clause): Check
restriction No_Use_Of_Attribute before any rewritings have
taken place.
* sem_prag.adb (Analyze_Pragma): Check restriction
No_Use_Of_Pragma before any rewritings have taken place.

From-SVN: r235134

re PR target/70711 (GCC ARM big-endian ARMv8.1 code fails.)

PR target/70711
* config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
armv8.1-a and armv8.1-a+crc.

From-SVN: r235132

re PR tree-optimization/70701 (incomplete value numbering when memcpy-ing from array)

2016-04-18  Richard Biener  <rguenther@suse.de>

PR tree-optimization/70701
* tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
references after translating through a memcpy.

* gcc.dg/tree-ssa/ssa-fre-53.c: New testcase.

From-SVN: r235131

tree-ssa-pre.c (postorder, [...]): Make locals ...

2016-04-18  Richard Biener  <rguenther@suse.de>

* tree-ssa-pre.c (postorder, postorder_num): Make locals ...
(compute_antic): ... here.  For partial antic use regular
postorder and scrap iteration.
(compute_partial_antic_aux): Remove unused return value.
(init_pre): Do not allocate postorder.
(fini_pre): Do not free postorder.

From-SVN: r235130

sem_ch6.adb (Is_Inline_Pragma): The pragma argument can be a selected component...

2016-04-18  Bob Duff  <duff@adacore.com>

* sem_ch6.adb (Is_Inline_Pragma): The pragma
argument can be a selected component, which has no Chars field,
so we need to deal with that case (use the Selector_Name).
(Check_Inline_Pragma): We need to test Is_List_Member before
calling In_Same_List, because in case of a library unit, they're
not in lists, so In_Same_List fails an assertion.

2016-04-18  Bob Duff  <duff@adacore.com>

* namet.ads, namet.adb: Add an Append that appends a
Bounded_String onto a Bounded_String. Probably a little more
efficient than "Append(X, +Y);". Also minor cleanup.
(Append_Decoded, Append_Decoded_With_Brackets, Append_Unqualified,
Append_Unqualified_Decoded): Make sure these work with non-empty
buffers.
* casing.ads, casing.adb (Set_Casing): Pass a Bounded_String
parameter, defaulting to Global_Name_Buffer.
* errout.ads, errout.adb (Adjust_Name_Case): Pass a
Bounded_String parameter, no default.
* exp_ch11.adb (Expand_N_Raise_Statement): Use local
Bounded_String instead of Global_Name_Buffer.
* exp_intr.ads, exp_intr.adb (Write_Entity_Name): Rename it
to Append_Entity_Name, and pass a Bounded_String parameter,
instead of using globals.
(Add_Source_Info): Pass a Bounded_String parameter, instead of
using globals.
(Expand_Source_Info): Use local instead of globals.
* stringt.ads, stringt.adb (Append): Add an Append procedure
for appending a String_Id onto a Bounded_String.
(String_To_Name_Buffer, Add_String_To_Name_Buffer): Rewrite in
terms of Append.
* sem_prag.adb (Set_Error_Msg_To_Profile_Name): Adjust for new
Adjust_Name_Case parameter.
* erroutc.adb, uname.adb: Don't pass D => Mixed_Case to
Set_Casing; that's the default.
* lib-xref-spark_specific.adb (Add_SPARK_Scope): Pretend that calls to
protected subprograms are entry calls; otherwise it is not possible to
distinguish them from regular subprogram calls.

From-SVN: r235129

[multiple changes]

2016-04-18  Gary Dismukes  <dismukes@adacore.com>

* sem_ch13.adb (Has_Good_Profile): Improvement
of error message. Now indicates subtype_mark of formal parameter
rather than the formal's name, plus minor rewording.

2016-04-18  Pascal Obry  <obry@adacore.com>

* adaint.c, adaint.h, s-os_lib.ads: Add new routine Current_Process_Id.

From-SVN: r235128

[multiple changes]

2016-04-18  Hristian Kirtchev  <kirtchev@adacore.com>

* stringt.adb, exp_ch6.adb, sem_ch13.adb: Minor reformatting.

2016-04-18  Gary Dismukes  <dismukes@adacore.com>

* par-ch4.adb, sem_prag.adb: Minor reformatting.

From-SVN: r235127

sinput.ads, sinput.adb (Build_Location_String): Take a parameter instead of using a global variable.

2016-04-18  Bob Duff  <duff@adacore.com>

* sinput.ads, sinput.adb (Build_Location_String): Take a
parameter instead of using a global variable.  The function
version no longer destroys the Name_Buffer.
* stringt.ads, stringt.adb (String_From_Name_Buffer): Take a
parameter, which defaults to the Global_Name_Buffer, so some
calls can avoid the global.
* exp_ch11.adb, exp_intr.adb: Use new interfaces above
to avoid using globals. All but one call to Build_Location_String
avoids the global. Only one call to String_From_Name_Buffer
avoids it.

From-SVN: r235126

Minor code cleanups.

From-SVN: r235125

[multiple changes]

2016-04-18  Hristian Kirtchev  <kirtchev@adacore.com>

* namet.adb, namet.ads, exp_unst.adb: Minor reformatting.

2016-04-18  Hristian Kirtchev  <kirtchev@adacore.com>

* sem_eval.adb (Choice_Matches): Check the expression
against the predicate values when the choice denotes a
subtype with a static predicate.
(Eval_Membership_Op): Code cleanup. Remove the suspicious guard which
tests for predicates.
(Is_OK_Static_Subtype): A subtype with a dynamic predicate
is not static. (Is_Static_Subtype): A subtype with a dynamic
predicate is not static.
* sem_eval.ads (Is_OK_Static_Subtype): Update the comment on usage.
(Is_Static_Subtype): Update the comment on usage.

2016-04-18  Hristian Kirtchev  <kirtchev@adacore.com>

* sem_prag.adb (Analyze_Input_Item): Allow
generic formals to appear as initialization items.

2016-04-18  Ed Schonberg  <schonberg@adacore.com>

* sem_ch13.adb (Analyze_Stream_TSS_Definition,
Has_Good_Profile): Additional error message to indicate that
the second parameter of the subprogram must be a first subtype.

2016-04-18  Ed Schonberg  <schonberg@adacore.com>

* sem_ch6.adb (Analyze_Subprogram_Body_Helper, Is_Inline_Pragma):
Use the pragma lookahead that determines whether a subprogram
is to be inlined, when some level of backend optimization is
required.
* sem_ch12.ads, sem_ch12.adb (Add_Pending_Instantiation): Factorize
code used to create an instance body when needed for inlining.
* exp_ch6.adb (Expand_Call): When a call is to be inlined, and the
call appears within an instantiation that is not a compilation
unit, add a pending instantiation for the enclosing instance,
so the backend can inline in turn the calls contained in the
inlined body.

From-SVN: r235124

[multiple changes]

2016-04-18  Ed Schonberg  <schonberg@adacore.com>

* sem_prag.adb (Build_Pragma_Check_Equivalent): The mapping
that relates operations of the parent type to the operations of
the derived type has three distinct sources:
a) explicit operations of the derived type carry an
Overridden_Operation that designates the operation in the
ancestor.
b) Implicit operations that are inherited by the derived type
carry an alias that may be an explicit subprogram (in which case
it may have an Overridden_ Operation indicator) or may also be
inherited and carry its own alias.
c) If the parent type is an interface, the operation of the
derived type does not override, but the interface operation
indicates the operation that implements it.
* sem_prag.adb: Minor reformatting.
* sem_prag.adb (Check_External_Property): Update
the comment on usage. Reimplement.

2016-04-18  Ed Schonberg  <schonberg@adacore.com>

* exp_ch5.adb (Expand_Assignment_Statement): In restricted
profiles such as ZFP, ceiling priority is not available.

2016-04-18  Bob Duff  <duff@adacore.com>

* namet-sp.ads: Minor typo fix, ironically in 'Spelling_Checker'.

2016-04-18  Bob Duff  <duff@adacore.com>

* sem_elab.adb (Output_Calls): Use
Get_Name_String, to clearly indicate that the global Name_Buffer
is being used. The previous code used Is_Internal_Name, which
returns a Boolean, but also has a side effect of setting the
Name_Buffer. Then it called the other Is_Internal_Name, which uses
the Name_Buffer for its input. And then it called Error_Msg_N,
again using the Name_Buffer. We haven't eliminated the global
usage here, but we've made it a bit clearer.
This also allows us to have a side-effect-free version of
Is_Internal_Name.
* namet.ads, namet.adb: Provide a type Bounded_String, along with
routines that can be used without using global variables. Provide
Global_Name_Buffer so existing code can continue to use the
global. Mark the routines that use globals as obsolete.  New code
shouldn't call the obsolete ones, and we should clean up existing
code from time to time.
Name_Find_Str is renamed as Name_Find.
* namet.h: Changed as necessary to interface to the new version
of Namet.
* bindgen.adb, exp_unst.adb: Name_Find_Str is renamed as
Name_Find.

From-SVN: r235123

[multiple changes]

2016-04-18  Yannick Moy  <moy@adacore.com>

* sem_util.adb, sem_util.ads (Has_Full_Default_Initialization): used
outside of GNATprove, hence it should not be removed.

2016-04-18  Hristian Kirtchev  <kirtchev@adacore.com>

* sem_prag.adb (Analyze_Refinement_Clause):
The refinement of an external abstract state can now mention
non-external constituents.
(Check_External_Property): Update all SPARK RM references.

2016-04-18  Bob Duff  <duff@adacore.com>

* exp_intr.adb: Remove some duplicated code.

2016-04-18  Yannick Moy  <moy@adacore.com>

* a-nudira.adb, a-nudira.ads, a-nuflra.adb, a-nuflra.ads: Mark
package spec and body out of SPARK.

2016-04-18  Johannes Kanig  <kanig@adacore.com>

* spark_xrefs.ads: Minor comment update.

2016-04-18  Johannes Kanig  <kanig@adacore.com>

* gnat1drv.adb (Gnat1drv): Force loading of System
unit for SPARK.

2016-04-18  Bob Duff  <duff@adacore.com>

* a-cuprqu.adb: Correction to previous change. If a new node
is inserted at the front of the queue (because it is higher
priority than the previous front node), we need to update
Header.Next_Unequal -- not just in the case where the queue was
previously empty.

From-SVN: r235122

[multiple changes]

2016-04-18  Bob Duff  <duff@adacore.com>

* a-cuprqu.ads: Change the representation of List_Type from a
singly-linked list to a doubly-linked list. In addition, add a
pointer Next_Unequal, which points past a possibly-long chain
of equal-priority items. This increases efficiency, especially
in the case of many equal-priority items.
* a-cuprqu.adb (Dequeue, Enqueue): Rewrite algorithms to take
advantage of new data structure.
(Finalize): Rewrite in terms of Dequeue, for simplicity.

2016-04-18  Yannick Moy  <moy@adacore.com>

* contracts.adb (Analyze_Object_Contract,
Analyze_Protected_Contract): Remove tests performed in GNATprove.
* sem_util.adb, sem_util.ads (Has_Full_Default_Initialization):
Remove query for tests performed in GNATprove.

From-SVN: r235121

[multiple changes]

2016-04-18  Ed Schonberg  <schonberg@adacore.com>

* sem_aggr.adb (Resolve_Record_Aggregate): If
Warn_On_Redundant_Constructs is enabled, report a redundant box
association that does not cover any components, as it done for
redundant others associations in case statements.

2016-04-18  Ed Schonberg  <schonberg@adacore.com>

* sem_prag.adb (Collect_Inherited_Class_Wide_Conditions):
Analyze the generated Check pragma for an inherited condition so
that it does not freeze the dispatching type of the primitive
operation, because it is pre-analyzed at the point of the
subprogram declaration (and not in the subprogram body, as is
done during regular expansion).

2016-04-18  Vincent Celier  <celier@adacore.com>

* ali.ads: Increase the range of all _Id types to 100 millions.

2016-04-18  Gary Dismukes  <dismukes@adacore.com>

* sem_warn.adb (Check_References): Change warning to suggest
using pragma Export rather than saying "volatile has no effect".

2016-04-18  Bob Duff  <duff@adacore.com>

* g-souinf.ads (Compilation_ISO_Date): New function to return
the current date in ISO form.
* exp_intr.adb (Expand_Source_Info, Add_Source_Info): Expand
a call to Compilation_ISO_Date into a string literal containing
the current date in ISO form.
* exp_intr.ads (Add_Source_Info): Improve documentation.
* sem_intr.adb (Check_Intrinsic_Subprogram): Recognize
Compilation_ISO_Date.
* snames.ads-tmpl (Name_Compilation_ISO_Date): New Name_Id.

From-SVN: r235120

[multiple changes]

2016-04-18  Eric Botcazou  <ebotcazou@adacore.com>

* layout.adb (Set_Elem_Alignment): Extend setting of alignment
to subtypes that are not first subtypes.

2016-04-18  Ed Schonberg  <schonberg@adacore.com>

* sem_prag.ads (Collect_Inherited_Class_Wide_Conditions):
Simplify interface.
* sem_prag.adb (Collect_Inherited_Class_Wide_Conditions): Insert
generated pragmas after subprogram declaration, rather than in
the corresponding subprogram body.
* sem_ch6.adb (New_Overloaded_Entity): In GNATProve
mode, if the operation is overridding, call
Collect_Inherited_Class_Wide_Conditions to generate the
corresponding pragmas immediately after the corresponding
subprogram declaration.

2016-04-18  Arnaud Charlet  <charlet@adacore.com>

* spark_xrefs.ads (Xref_Index, Scope_Index, File_Index): restrict
type to natural numbers.
(Stype): document code characters for concurrent entities.

2016-04-18  Olivier Hainque  <hainque@adacore.com>

* targparm.ads: Update the Frontend_Exceptions default internal
value.
(Frontend_Exceptions_On_Target): Change default value to True.

2016-04-18  Ed Schonberg  <schonberg@adacore.com>

* sem_ch4.adb (Analyze_Selected_Component): Refine error
detection when a selected component in the body of a synchronized
type is a reference to an object of the same type declared
elsewhere. The construct is legal if the prefix of the selected
component includes an explicit dereference at any point.

From-SVN: r235118

sem_ch3.adb (Analyze_Object_Declaration): Do not consider internally generated expressions when...

2016-04-18  Hristian Kirtchev  <kirtchev@adacore.com>

* sem_ch3.adb (Analyze_Object_Declaration): Do not consider
internally generated expressions when trying to determine whether
a formal parameter of a tagged type subject to Extensions_Visible
False is used to initialize an object.
* sem_ch4.adb (Analyze_Type_Conversion): Do not consider
internally generated expressions when trying to determine whether
a formal parameter of a tagged type subject to Extensions_Visible
False is used in a type conversion.

From-SVN: r235117

[multiple changes]

2016-04-18  Hristian Kirtchev  <kirtchev@adacore.com>

* sem_res.adb (Is_Protected_Operation_Call):
Add guards to account for a non-decorated selected component.

2016-04-18  Yannick Moy  <moy@adacore.com>

* sem_ch6.adb (Analyze_Subprogram_Body_Helper): Improve
implementation of Body_Has_SPARK_Mode_On.
* sem_prag.adb, sem_prag.ads (Get_SPARK_Mode_From_Annotation):
New function replacing previous Get_SPARK_Mode_From_Pragma, that
deals also with aspects.
(Get_SPARK_Mode_Type): Make function internal again.
* inline.adb, sem_ch7.adb, sem_util.adb: Use new
Get_SPARK_Mode_From_Annotation.

From-SVN: r235116

contracts.adb (Analyze_Object_Contract): Update references to SPARK RM.

2016-04-18  Hristian Kirtchev  <kirtchev@adacore.com>

* contracts.adb (Analyze_Object_Contract): Update references to
SPARK RM.
* freeze.adb (Freeze_Entity): Update references to SPARK RM.
* ghost.adb Add with and use clauses for Sem_Disp.
(Check_Ghost_Derivation): Removed.
(Check_Ghost_Overriding):
Reimplemented. (Check_Ghost_Policy): Update references to SPARK RM.
(Check_Ghost_Primitive): New routine.
(Check_Ghost_Refinement): New routine. (Is_OK_Ghost_Context):
Update references to SPARK RM. (Is_OK_Pragma): Update references
to SPARK RM. Predicates are now a valid context for references
to Ghost entities.
* ghost.ads (Check_Ghost_Derivation): Removed.
(Check_Ghost_Overriding): Update the comment on usage.
(Check_Ghost_Primitive): New routine.
(Check_Ghost_Refinement): New routine.
(Remove_Ignored_Ghost_Code): Update references to SPARK RM.
* sem_ch3.adb (Process_Full_View): Remove the now obsolete check
related to Ghost derivations
* sem_ch6.adb (Check_Conformance): Remove now obsolete check
related to the convention-like behavior of pragma Ghost.
(Check_For_Primitive_Subprogram): Verify that the Ghost policy
of a tagged type and its primitive agree.
* sem_prag.adb (Analyze_Pragma): Update references to SPARK
RM. Move the verification of pragma Assertion_Policy Ghost
to the proper place. Remove the now obsolete check related
to Ghost derivations.
(Collect_Constituent): Add a call to Check_Ghost_Refinement.
* sem_res.adb (Resolve_Actuals): Update references to SPARK RM.

From-SVN: r235115

[multiple changes]

2016-04-18  Eric Botcazou  <ebotcazou@adacore.com>

* layout.adb: Fix more minor typos in comments.

2016-04-18  Hristian Kirtchev  <kirtchev@adacore.com>

* a-calend.ads, sem_prag.adb, sem_ch6.adb: Minor reformatting.

From-SVN: r235114

[multiple changes]

2016-04-18  Ed Schonberg  <schonberg@adacore.com>

* sem_ch6.adb (Analyze_Subprogram_Body_Helper): In GNATprove
mode, collect inherited class-wide conditions to generate the
corresponding pragmas.
* sem_prag.ads (Build_Pragma_Check_Equivalent): Moved from contracts
* contracts.adb (Collect_Inherited_Class_Wide_Conditions): New
procedure for overriding subprograms, used to generate the pragmas
corresponding to an inherited class- wide pre- or postcondition.
* sem_prag.adb (Build_Pragma_Check_Equivalent): moved here
from contracts.adb (Replace_Condition_Entities): Subsidiary
Build_Pragma_Check_Equivalent, to implement the proper semantics
of inherited class-wide conditions, as given in AI12-0113.
(Process_Class_Wide_Condition): Removed.
(Collect_Inherited_Class_Wide_Conditions): Iterate over pragmas
in contract of subprogram, to collect inherited class-wide
conditions.
(Build_Pragma_Check_Equivalent): Moved to sem_prag.adb

2016-04-18  Yannick Moy  <moy@adacore.com>

* a-calend.adb (Ada.Calendar): Mark package body as SPARK_Mode Off.
* a-calend.ads (Ada.Calendar): Mark package spec as
SPARK_Mode and add synchronous external abstract state Clock_Time.

From-SVN: r235113

[multiple changes]

2016-04-18  Yannick Moy  <moy@adacore.com>

* sem_res.adb (Resolve_Call): Prevent inlining of
calls inside expression functions.  Factor previous code issuing
errors to call Cannot_Inline instead, which does appropriate
processing of message for GNATprove.

2016-04-18  Arnaud Charlet  <charlet@adacore.com>

* einfo.ads, sem_ch3.adb, sem_ch8.adb, osint-l.adb, rtsfind.adb,
osint-b.adb: Cleanups.

2016-04-18  Yannick Moy  <moy@adacore.com>

* sem_ch6.adb (Analyze_Subprogram_Body_Helper): Only create
body to inline in GNATprove mode when SPARK_Mode On applies to
subprogram body.
* sem_prag.adb, sem_prag.ads (Get_SPARK_Mode_Type): Make function
public.

2016-04-18  Eric Botcazou  <ebotcazou@adacore.com>

* layout.adb: Fix minor typo in comment.
* inline.adb: Fix minor pasto.
* sem_ch12.ads: Fix minor typos in comments.

From-SVN: r235111

[multiple changes]

2016-04-18  Ed Schonberg  <schonberg@adacore.com>

* sem_disp.adb (Check_Dispatching_Call): Major rewriting to
handle some complex cases of tag indeterminate calls that are
actuals in other dispatching calls that are themselves tag
indeterminate.
(Check_Dispatching_Context): Add parameter to support recursive
check for an enclosing construct that may provide a tag for a
tag-indeterminate call.

2016-04-18  Hristian Kirtchev  <kirtchev@adacore.com>

* sem_prag.adb (Analyze_Depends_In_Decl_Part):
Add global variables Task_Input_Seen and Task_Output_Seen.
(Analyze_Global_Item): Detect an illegal use of the current
instance of a single protected/task type in a global annotation.
(Analyze_Input_Output): Inputs and output related to the current
instance of a task unit are now tracked.
(Check_Usage): Require
the presence of the current instance of a task unit only when
one input/output is available. (Current_Task_Instance_Seen):
New routine.
(Is_CCT_Instance): New parameter profile. Update
the comment on usage. The routine now properly recognizes several
cases related to single protected/task types.

2016-04-18  Hristian Kirtchev  <kirtchev@adacore.com>

* freeze.adb (Freeze_Entity): Use New_Freeze_Node
to create a brand new freeze node. This handles a case where an
ignored Ghost context is freezing something which is not ignored
Ghost and whose freeze node should not be removed from the tree.
(New_Freeze_Node): New routine.

2016-04-18  Jerome Lambourg  <lambourg@adacore.com>

* sigtramp.h (__gnat_set_is_vxsim) New function to
tell sigtramp-vxworks to handle vxsim signal contexts. *
sigtramp-vxworks.c (__gnat_sigtramp) Take into account the
differences in the sigcontext structure between the expected
regular x86 or x86_64 ones and the ones received in case of
exexution on the vxworks simulator.
* init.c: also compute is_vxsim in case of x86_64-vx7 target. Provide
this information to sigtramp-vxworks.c. Remove the old mechanism for
vxsim.
* init-vxsim.c, sigtramp-vxworks-vxsim.c: remove, now obsolete.

2016-04-18  Eric Botcazou  <ebotcazou@adacore.com>

* exp_ch3.adb (Inline_Init_Proc): New function returning
whether the initialization procedure of a type should be
inlined.  Return again True for controlled type themselves.
(Build_Array_Init_Proc): Call it to set Set_Is_Inlined on Init_Proc.
(Build_Record_Init_Proc): Likewise.

From-SVN: r235110

gnatvsn.ads (Library_Version): Bump to 7.

        * gnatvsn.ads (Library_Version): Bump to 7.

From-SVN: r235109

sem_ch6.adb (Analyze_Expression_Function): Set Inlined flag on the entity of a subprogram declaration that is completed by...

2016-04-18  Ed Schonberg  <schonberg@adacore.com>

* sem_ch6.adb (Analyze_Expression_Function): Set Inlined flag
on the entity of a subprogram declaration that is completed by
an expression function.

2016-04-18  Ed Schonberg  <schonberg@adacore.com>

* sem_util.adb (Is_Current_Instance): A entity given by a subtype
declaration can appear in an aspect specification for a dynamic
predicate, and a pragma for aspect Predicate_Failure.
* exp_util.adb (Replace_Subtype_References): Replace current
occurrences of the subtype to which a dynamic predicate applies,
byt the expression that triggers a predicate check. Needed to
implement new aspect Predicate_Failure.

From-SVN: r235107

[multiple changes]

2016-04-18  Arnaud Charlet  <charlet@adacore.com>

* a-intsig.ads, a-intsig.adb: Removed, no longer used.
* Makefile.rtl: update accordingly.

2016-04-18  Eric Botcazou  <ebotcazou@adacore.com>

* sem_type.adb (Disambiguate): Call Covers only when necessary
for standard operators.

2016-04-18  Eric Botcazou  <ebotcazou@adacore.com>

* atree.ads (Num_Extension_Nodes): Add couple of figures
to comment.
* atree.adb: Add GNAT.Heap_Sort_G dependency.
(Print_Statistics): New exported procedure to print statistics.

2016-04-18  Eric Botcazou  <ebotcazou@adacore.com>

* exp_ch3.adb (Build_Record_Init_Proc): Do not mark the procedure
as to be inlined if the type needs finalization.

From-SVN: r235106

* gcc-interface/decl.c: Rename Descendent -> Descendant

From-SVN: r235104

re PR middle-end/37870 (ICE in extract_bit_field_1)

2016-04-18  Richard Biener  <rguenther@suse.de>

        PR middle-end/37870
* expmed.c (extract_bit_field_1): Remove broken case
using a wider MODE_INT mode.

From-SVN: r235103

sigtramp-vxworks-target.inc: sigtramp-vxworks: force the stack alignment for x86_64.

2016-04-18  Jerome Lambourg  <lambourg@adacore.com>

* sigtramp-vxworks-target.inc: sigtramp-vxworks: force the stack
alignment for x86_64.
* init.c: Better fix for guard page reset on x86_64-vx7.
Do not try to retrieve the page that actually raised
the signal as the probing mechanism used on x86_64 do not allow
such retrieval. We thus just test if the guard page is active,
and re-activate it if not.

From-SVN: r235102

[multiple changes]

2016-04-18  Arnaud Charlet  <charlet@adacore.com>

* a-sytaco.adb (Suspension_Object): Aspect Default_Initial_Condition
added.

2016-04-18  Jerome Lambourg  <lambourg@adacore.com>

* affinity.c: Use the proper type for task id.
* init.c (__gnat_inum_to_ivec): ivec is a pointer.

From-SVN: r235101

[multiple changes]

2016-04-18  Arnaud Charlet  <charlet@adacore.com>

* sem_prag.adb (Process_Convention): Relax rule on exporting
Intrinsic types if Relaxed_RM_Semantics is True.

2016-04-18  Vincent Celier  <celier@adacore.com>

* sem_ch3.adb, lib.ads, sinfo.ads, sem_ch10.adb, einfo.adb, einfo.ads,
checks.ads, sem_ch12.adb, sem.adb, sem_util.adb, sem_util.ads,
sem_res.adb, sem_attr.adb, par.adb, exp_ch4.adb, errout.ads,
sem_ch4.adb, atree.adb, atree.ads, sem_warn.adb, treepr.adb,
exp_ch3.ads, exp_unst.adb: Change "descendent" to
"descendant" in comments, error messages and identifiers.

2016-04-18  Eric Botcazou  <ebotcazou@adacore.com>

* sem_type.adb (Operator_Matches_Spec): Call First_Formal on
New_S only once at the beginning of the function.

From-SVN: r235100

hsa: Fix bootstrap with older host compilers

We didn't have __builtin_swap16 on all targets before GCC 4.8; hsa-brig
tries to use it if the host GCC is 4.6 or up though, breaking bootstrap.
This trivial patch fixes it.

Noticed on gcc22.

* has-brig.c (lendian16): Don't try to use __builtin_bswap16
unless compiling with at least GCC-4.8.

From-SVN: r235096

Add dot-file scans to pr70161.c

2016-04-18  Tom de Vries  <tom@codesourcery.com>

PR testsuite/70699
* gcc.dg/pr70161.c: Add dot-file scans.
* lib/scandump.exp (dump-suffix): Return suffix after first dot char,
instead of after last dot char.

From-SVN: r235095

Trivial comment misspelling.

From-SVN: r235092

Obvious typo in comment.

From-SVN: r235091

Daily bump.

From-SVN: r235090

re PR bootstrap/70706 (r235082 caused bootstrap failure)

PR bootstrap/70706
* predict.h (tree_estimate_probability): Update prototype.

From-SVN: r235086

re PR bootstrap/70706 (r235082 caused bootstrap failure)

PR bootstrap/70706
* graphite.c (graphite_finalize): Update call to
tree_estimate_probability.

From-SVN: r235085

c-ada-spec.c (get_underlying_decl): Return the typedef, if any.

* c-ada-spec.c (get_underlying_decl): Return the typedef, if any.
(dump_generic_ada_node) <POINTER_TYPE>: Clean up handling of access
to incomplete types.
(dump_nested_type): Remove redundant tests and tidy up.
(print_ada_declaration): Also set TREE_VISITED on the declaration of
a type which is the typedef of an original type.

From-SVN: r235084

* analyze_brprob: Update comment.

From-SVN: r235083

predict.c (combine_predictions_for_bb): Add dry_run parmaeter.

* predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
(tree_estimate_probability): Likewise.
(pass_profile::execute): Update.
(report_predictor_hitrates): New function.
* profile.c (compute_branch_probabilities): Use it.
* predict.h (report_predictor_hitrates): Declare.

From-SVN: r235082

re PR c++/70018 (Possible issue around IPO and C++ comdats discovered as pure/const)

PR ipa/70018
* cgraph.h (cgraph_node::set_const_flag,
cgraph_node::set_pure_flag): Update prototype to return bool;
update comment.
* cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
of interposable symbol are interposable, too.
(cgraph_set_const_flag_1): Rename to ...
(set_const_flag_1): ... this one; change to self recursive function
instead of call_for_symbol_thunks_and_aliases. Handle correctly
clearnig the flag in all variants and also virtual thunks of const
functions are pure; track if any change was done.
(cgraph_node::set_const_flag): Update.
(struct set_pure_flag_info): New struct.
(cgraph_set_pure_flag_1): Rename to ...
(set_pure_flag_1): ... this one; take set_pure_flag_info parameter
rather than pointer encoded flags; track if any changes was done;
handle correctly clearning flag and setting flag of aliases already
declared const.
(cgraph_node::set_pure_flag): Update.
(cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.

From-SVN: r235081

Handle backslash in pp_write_text_as_dot_label_to_stream

2016-04-17  Tom de Vries  <tom@codesourcery.com>

PR other/70433
* pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
backslash in label.

From-SVN: r235077