re PR middle-end/65595 (Linux kernel build failure: ICE: in as_a, at is-a.h:192)

PR middle-end/65595
* cgraph.c (cgraph_update_edges_for_call_stmt_node): Only
do redirection if the call is not optimized out.

* gcc.c-torture/compile/pr65595.c: New testcase.

From-SVN: r221726

re PR target/65495 (ICE: chkp_make_addressed_object_bounds: Unexpected tree code const_decl with -fcheck-pointer-bounds -mmpx and fortran)

PR target/65495
* c-family/c.opt (fcheck-pointer-bounds): List supported languages.
(fchkp-check-incomplete-type): Add LTO.
(fchkp-zero-input-bounds-for-main): Likewise.
(fchkp-first-field-has-own-bounds): Likewise.
(fchkp-narrow-bounds): Likewise.
(fchkp-narrow-to-innermost-array): Likewise.
(fchkp-use-static-bounds): Likewise.
(fchkp-use-static-const-bounds): Likewise.
(fchkp-treat-zero-dynamic-size-as-infinite): Likewise.

From-SVN: r221725

* gimple-iterator.h (gsi_prev_nondebug): Fix typo.

From-SVN: r221724

re PR sanitizer/65583 ([UBSAN] ICE segfault in inline_edge_summary)

PR sanitizer/65583
* ubsan.c (ubsan_create_edge): New function.
(instrument_bool_enum_load): Call it.
(instrument_nonnull_arg): Likewise.
(instrument_nonnull_return): Likewise.
(instrument_object_size): Likewise.

* g++.dg/ubsan/pr65583.C: New test.

From-SVN: r221723

lto-streamer.h (class lto_location_cache): Turn loc_cache into auto_vec.

* lto-streamer.h (class lto_location_cache): Turn loc_cache into
auto_vec.

From-SVN: r221722

lto-streamer.h (class lto_location_cache): New.

* lto-streamer.h (class lto_location_cache): New.
(struct data_in): Add location_cache.
(lto_input_location): Update prototype.
(stream_input_location_now): New.
* streamer-hooks.h (struct streamer_hooks): Make input_location to take
pointer to location.
(stream_input_location): Update.
* ipa-devirt.c: Include streamer-hooks.h and lto-streamer.h
(warn_odr): Apply location cache before warning.
(lto_input_location): Update prototype.
* gimple-streamer-in.c (input_phi, input_gimple_stmt):
Use stream_input_location_now.
* lto-streamer-in.c (lto_location_cache::current_cache): New static
variable.
(lto_location_cache::cmp_loc): New function.
(lto_location_cache::apply_location_cache): New function.
(lto_location_cache::accept_location_cache): New function.
(lto_location_cache::revert_location_cache): New function.
(lto_location_cache::input_location): New function.
(lto_input_location): Do location caching.
(stream_input_location_now): New function.
(input_eh_region, input_struct_function_base): Use
stream_input_location_now.
(lto_data_in_create): use new.
(lto_data_in_delete): Use delete.
* tree-streamer-in.c (unpack_ts_block_value_fields,
unpack_ts_omp_clause_value_fields, streamer_read_tree_bitfields,
lto_input_ts_exp_tree_pointers): Update for cached location api.

From-SVN: r221721

re PR lto/65536 (LTO line number information garbled)

PR lto/65536
* lto-streamer.h (class lto_location_cache): New.
(struct data_in): Add location_cache.
(lto_input_location): Update prototype.
(stream_input_location_now): New.
* streamer-hooks.h (struct streamer_hooks): Make input_location to take
pointer to location.
(stream_input_location): Update.
* ipa-devirt.c: Include streamer-hooks.h and lto-streamer.h
(warn_odr): Apply location cache before warning.
(lto_input_location): Update prototype.
* gimple-streamer-in.c (input_phi, input_gimple_stmt):
Use stream_input_location_now.
* lto/lto.c (unify_scc): Revert location cache when unification
suceeded.
(lto_read_decls): Accept location cache after sucess;
apply location cache before calling debug hooks.
* lto-streamer-in.c (lto_location_cache::current_cache): New static
variable.
(lto_location_cache::cmp_loc): New function.
(lto_location_cache::apply_location_cache): New function.
(lto_location_cache::accept_location_cache): New function.
(lto_location_cache::revert_location_cache): New function.
(lto_location_cache::input_location): New function.
(lto_input_location): Do location caching.
(stream_input_location_now): New function.
(input_eh_region, input_struct_function_base): Use
stream_input_location_now.
(lto_data_in_create): use new.
(lto_data_in_delete): Use delete.
* tree-streamer-in.c (unpack_ts_block_value_fields,
unpack_ts_omp_clause_value_fields, streamer_read_tree_bitfields,
lto_input_ts_exp_tree_pointers): Update for cached location api.

From-SVN: r221720

re PR ipa/65076 (16% tramp3d-v4.cpp compile time regression)

PR ipa/65076
* passes.def: Add pass_nothrow.
* ipa-pure-const.c: (pass_data_nothrow): New.
(pass_nothrow): New.
(pass_nothrow::execute): New.
(make_pass_nothrow): New.
* tree-pass.h (make_pass_nothrow): Declare.

From-SVN: r221719

ipa-inline-analysis.c (redirect_to_unreachable): Be prepared for edge to change by speculation resolution or redirection.

* ipa-inline-analysis.c (redirect_to_unreachable): Be prepared for
edge to change by speculation resolution or redirection.
(edge_set_predicate): Likewise.
(inline_summary_t::duplicate): Likewise.
(remap_edge_summaries): Likewise.
* gcc.c-torture/compile/20150327.c: New testcase.

From-SVN: r221718

Daily bump.

From-SVN: r221717

ipa-inline.c (check_maybe_up, [...]): New macros.

* ipa-inline.c (check_maybe_up, check_maybe_down, check_match):
New macros.
(can_inline_edge_p): Relax option matching for always inline functions.

From-SVN: r221714

* gcc-interface/trans.c (Attribute_to_gnu) <Attr_Deref>: New case.

From-SVN: r221711

* cif-code.def (CILK_SPAWN): New code.

From-SVN: r221710

re PR target/65561 (avx512fintrin.h:5344:1: internal compiler error: in curr_insn_transform, at lra-constraints.c:3494)

PR target/65561
* config/i386/sse.md (avx512dq_vextract<shuffletype>64x2_1_maskm):
Check operand 4 and operand 0 for equality.
(avx512f_vextract<shuffletype>32x4_1_maskm):
Check operand 6 and operand 0 for equality.
(vec_extract_lo_<mode>_maskm): Check operand 2 and operand 0
for equality.
(vec_extract_hi_<mode>_maskm): Ditto.

From-SVN: r221709

re PR libstdc++/58038 (std::this_thread::sleep_until can cause inifinite sleep)

PR libstdc++/58038
PR libstdc++/60421
* include/std/thread (this_thread::sleep_for): Check for negative
durations.
(this_thread::sleep_until): Check for times in the past.
* testsuite/30_threads/this_thread/58038.cc: New.
* testsuite/30_threads/this_thread/60421.cc: New.

From-SVN: r221708

cgraph.c (cgraph_update_edges_for_call_stmt_node): Do not bring dead calls back to live.

* cgraph.c (cgraph_update_edges_for_call_stmt_node): Do not bring
dead calls back to live.
(cgraph_edge::verify_count_and_frequency): Move cgraph/cfg frequency
cross check to ...
(cgraph_node::verify_node): ... here; verify only callee edges,
not caller.

From-SVN: r221707

ipa-inline-analysis.c (redirect_to_unreachable): New function.

* ipa-inline-analysis.c (redirect_to_unreachable): New function.
(edge_set_predicate): Use it to mark unreachable edges.
(inline_summary_t::duplicate): Remove unnecesary code.
(remap_edge_summaries): Likewise.
(dump_inline_summary): Report contains_cilk_spawn.
(compute_inline_parameters): Compute contains_cilk_spawn.
(inline_read_section, inline_write_summary): Stream
contains_cilk_spawn.
* ipa-inline.c (can_inline_edge_p): Do not tuch
DECL_STRUCT_FUNCTION that may not be available;
use CIF_CILK_SPAWN for cilk; fix optimization attribute checks;
remove check for callee_fun->can_throw_non_call_exceptions and
replace it by optimization attribute check; check for flag_exceptions.
* ipa-inline-transform.c (inline_call): Maintain
DECL_FUNCTION_PERSONALITY
* ipa-inline.h (inline_summary): Add contains_cilk_spawn.

From-SVN: r221706

re PR c++/65154 (ICE with {} initialized array with string)

PR c++/65154
* init.c (build_vec_init): Fix initializing aggregates
with empty init list.

From-SVN: r221704

re PR libstdc++/62259 (atomic class doesn't enforce required alignment on powerpc64)

PR libstdc++/62259
PR libstdc++/65147
* include/std/atomic (atomic<T>): Increase alignment for types with
the same size as one of the integral types.
* testsuite/29_atomics/atomic/60695.cc: Adjust dg-error line number.
* testsuite/29_atomics/atomic/62259.cc: New.

From-SVN: r221703

re PR tree-optimization/65551 (FAIL: 26_numerics/complex/50880.cc execution test)

PR tree-optimization/65551
* tree-ssa-sccvn.c (fully_constant_vn_reference_p): Use
TYPE_PRECISION only for INTEGRAL_TYPE_P types.

From-SVN: r221702

re PR libstdc++/65033 (C++11 atomics: is_lock_free result does not always match the real lock-free property)

PR libstdc++/65033

 * include/bits/atomic_base.h (__atomic_base<T>::is_lock_free): Build
 a fake pointer indicating type alignment.
 (__atomic_base<T *>::is_lock_free): Likewise.
 * include/std/atomic (atomic<T>::is_lock_free): Likewise.

From-SVN: r221701

re PR c++/65525 (ICE: sorry, unimplemented: unexpected AST of kind mem_ref (-std=c++14, ICE: in potential_constant_expression_1, at cp/constexpr.c:4432))

PR c++/65525
* constexpr.c (potential_constant_expression_1): Handle MEM_REF.

From-SVN: r221699

re PR go/65587 (C package incomplete/not working for powerpc-linux-gnu)

PR go/65587
debug/elf: apply relocations for SHT_RELA/EM_PPC

From-SVN: r221698

re PR middle-end/65555 (ICE: verify_gimple failed (LHS in noreturn call))

2015-03-26  Richard Biener  <rguenther@suse.de>

PR middle-end/65555
* tree-cfg.c (verify_gimple_call): Do not require a call to
have no LHS if it wasn't recognized as control altering yet.

* g++.dg/torture/pr65555.C: New testcase.

From-SVN: r221697

re PR tree-optimization/64715 (__builtin_object_size (..., 1) fails to locate subobject)

PR tree-optimization/64715
* passes.def: Add another instance of pass_object_sizes before
ccp1.
* tree-object-size.c (pass_object_sizes::execute): In
first_pass_instance, only handle __bos (, 1) and __bos (, 3)
calls, and keep the call in the IL, as {MIN,MAX}_EXPR of the
__bos result and the computed constant.  Remove redundant
checks, obsoleted by gimple_call_builtin_p test.

* gcc.dg/builtin-object-size-15.c: New test.
* gcc.dg/pr64715-1.c: New test.
* gcc.dg/pr64715-2.c: New test.

From-SVN: r221694

var-tracking.c (variable_tracking_main_1): Don't track variables for targetm.no_register_allocation targets.

* var-tracking.c (variable_tracking_main_1): Don't track
variables for targetm.no_register_allocation targets.

From-SVN: r221693

re PR middle-end/65519 (unable to coalesce ssa_names 2 and 87 which are marked as MUST COALESCE)

2015-03-26  Richard Biener  <rguenther@suse.de>

PR middle-end/65519
* gnat.dg/specs/opt2.ads: Fix testcase.

From-SVN: r221690

install.texi (Building a native compiler): Document new bootstrap-lto-noplugin configuration.

* doc/install.texi (Building a native compiler): Document new
bootstrap-lto-noplugin configuration.  Mention that bootstrap-lto
configuration assumes that the host supports the linker plugin.

From-SVN: r221688

t-linux (DEFAULT_ENDIAN, [...]): Remove.

gcc/
* config/sh/t-linux (DEFAULT_ENDIAN, MULTILIB_EXCEPTIONS): Remove.
* config/sh/t-sh (MULTILIB_EXCEPTIONS): Handle default endian.

From-SVN: r221685

re PR target/65569 (Fix for PR target/65240 causes a regression in building Spec for power4/power5/power6)

2015-03-25  Michael Meissner  <meissner@linux.vnet.ibm.com>

PR target/65569
* config/rs6000/rs6000.md (extenddftf2_fprs): On VSX systems use
XXLXOR to create 0.0.  On pre-VSX systems make sure the constant
0.0 is correctly setup.
(extenddftf2_internal): Likewise.

From-SVN: r221683

re PR fortran/65541 (namelist regression)

2015-03-25 Jerry DeLisle  <jvdelisle@gcc.gnu.org>

PR libgfortran/65541
* io/write.c (nml_write_obj): Convert '+' to '%' before emitting
object names in namelists.

From-SVN: r221682

libgo: Fix go/runtime test failure on S390.

The tests run out of memory on 31-bit S390 systems because
it does not have split stacks.

From-SVN: r221681

Daily bump.

From-SVN: r221680

re PR testsuite/65526 (testsuite checks for arm vectorization support on non-arm targets)

PR testsuite/65526
* lib/target-supports.exp (check_effective_target_arm32): Fail early
when target isn't arm*-*-*-*.
(check_effective_target_arm_nothumb): Likewise.
(check_effective_target_arm_little_endian): Likewise.
(check_effective_target_arm_vect_no_misalign): Likewise.
(check_effective_target_aarch64_little_endian): Fail early if target
isn't aarch64*-*-*.

From-SVN: r221677

diamonds are not valid execution threads for jump threading

PR tree-optimization/65177
* tree-ssa-threadupdate.c (verify_seme): Renamed verify_jump_thread.
(bb_in_bbs): New.
(duplicate_seme_region): Renamed duplicate_thread_path.  Redirect all
edges not adjacent on the path to the original code.

* gcc.dg/tree-ssa/ssa-dom-thread-10.c: New.

From-SVN: r221675

sse-13.c: Include x86intrin.h and adjust #defines.

* gcc.target/i386/sse-13.c: Include x86intrin.h and adjust #defines.
* gcc.target/i386/sse-23.c: Do not explicitly include wmmintrin.h,
smmintrin.h and mm3dnow.h.

From-SVN: r221674

re PR go/65570 (cannot find package "runtime/cgo")

PR go/65570
libgo/Makefile.am: add runtime/cgo to list of standard packages

The runtime/cgo package is treated specially by the go tool.
It needs to know that it is always available for gccgo.

From-SVN: r221673

re PR c++/65558 (crash using __attribute__((__abi_tag__)) on anonymous inline namespace)

PR c++/65558
* name-lookup.c (handle_namespace_attrs): Ignore abi_tag attribute
on an anonymous namespace.

* g++.dg/cpp0x/pr65558.C: New test.

From-SVN: r221672

re PR c++/61670 (ICE on invalid in tree_nop_conversion)

PR c++/61670
* class.c (remove_zero_width_bit_fields): Check for null DECL_SIZE.

* g++.dg/template/pr61670.C: New test.

From-SVN: r221671

re PR c++/54987 (missed ambiguity in template function call)

2015-03-25  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/54987
* g++.dg/template/pr54987.C: New.

From-SVN: r221668

re PR bootstrap/65537 (--with-build-config=bootstrap-lto fails on CentOS 5.11)

config/ChangeLog:

PR bootstrap/65537
* bootstrap-lto-noplugin.mk: New build configuration.

gcc/ChangeLog:

PR bootstrap/65537
* doc/install.texi (Building a native compiler): Document new
bootstrap-lto-noplugin configuration.  Mention that bootstrap-lto
configuration assumes that the host supports the linker plugin.

From-SVN: r221667

re PR libstdc++/33394 (Add test case for Thread race segfault in std::string::append with -O and -s)

PR libstdc++/33394
* testsuite/21_strings/basic_string/pthread33394.cc: Use
dg-additional-options.

From-SVN: r221666

re PR libgomp/64972 (Build failure in libgomp for i686-w64-mingw32 target after latest merge from gomp-4_0-branch)

PR libgomp/64972
* oacc-parallel.c (GOACC_parallel): Use PRIu64 if available.
(GOACC_data_start): Likewise.
* target.c (gomp_map_vars): Likewise.

From-SVN: r221665

re PR tree-optimization/62630 (gcc.dg/graphite/vect-pr43423.c XFAILed)

2015-03-25  Richard Biener  <rguenther@suse.de>

PR tree-optimization/62630
* gcc.dg/graphite/vect-pr43423.c: XFAIL.

From-SVN: r221662

re PR target/65508 (ICE: in initialize_inlined_parameters, at tree-inline.c:3305 with -fcheck-pointer-bounds -mmpx and nested function)

gcc/

PR target/65508
* tree-chkp.c (chkp_add_bounds_to_call_stmt): Set static
chain for generated call.

gcc/testsuite/

PR target/65508
* gcc.target/i386/mpx/pr65508.c: New.

From-SVN: r221661

passes.c (pass_manager::execute_early_local_passes): Guard execution of pass_chkp_instrumentation_passes with flag_check_pointer_bounds.

2015-03-25  Richard Biener  <rguenther@suse.de>

* passes.c (pass_manager::execute_early_local_passes): Guard
execution of pass_chkp_instrumentation_passes with
flag_check_pointer_bounds.
(pass_chkp_instrumentation_passes::gate): Likewise.

From-SVN: r221660

Fix vimrc file link creation.

* Makefile.in: Fix ln source location for vimrc file.
* Makefile.tpl: Likewise.

Co-Authored-By: Yury Gribov <y.gribov@samsung.com>
From-SVN: r221659

re PR tree-optimization/65538 (Memory leak of ipa_node_params_sum elements)

Fix PR65538.

PR tree-optimization/65538
* symbol-summary.h (function_summary::~function_summary):
Relese memory for allocated summaries.
(function_summary::release): New function.

From-SVN: r221658

Fix regression introduced at revision 221586.

PR fortran/64952
PR fortran/65532
fortran/
* gfortran.h (struct gfc_namespace): New field 'types_resolved'.
* resolve.c (resolve_types): Return early if field 'types_resolved'
is set.  Set 'types_resolved' at the end.
testsuite/
* gfortran.dg/data_initialized_3.f90: New.

From-SVN: r221657

re PR lto/65515 (FAIL: gcc.c-torture/compile/limits-fndefn.c   -O2 -flto -flto-partition=none  (ICE) -- SIGSEGV for stack growth failure)

PR lto/65515
* lto-streamer-out.c (DFS::worklist): New struct.
(DFS::worklist_vec): New data member.
(DFS::next_dfs_num): Remove.
(DFS::DFS): Rewritten using worklist instead of recursion,
using most of code from DFS::DFS_write_tree.
(DFS::DFS_write_tree_body): Remove SINGLE_P argument, don't
pass it to DFS_write_tree calls.
(DFS::DFS_write_tree): Remove SINGLE_P argument, after
quick initial checks push it into worklist_vec and return.

From-SVN: r221656

re PR libstdc++/65543 (rvalue stream insertion and extraction operators incorrectly implemented)

2015-03-25  Paolo Carlini  <paolo.carlini@oracle.com>

PR libstdc++/65543
* include/std/istream (operator>>(basic_istream<>&&, _Tp&): Revert
thinko in r150387.
* include/std/ostream (operator<<(basic_ostream<>&&, const _Tp&):
Likewise.
* testsuite/27_io/rvalue_streams-2.cc: New.

From-SVN: r221655

re PR middle-end/65519 (unable to coalesce ssa_names 2 and 87 which are marked as MUST COALESCE)

2015-03-25  Richard Biener  <rguenther@suse.de>

PR middle-end/65519
* genmatch.c (expr::gen_transform): Re-write to avoid
using gimple_build.

* gnat.dg/specs/opt2.ads: New testcase.

From-SVN: r221654

config.host (nios2-*-linux*): Remove 'extra_parts' setting.

2015-03-25  Chung-Lin Tang  <cltang@codesourcery.com>

libgcc/
* config.host (nios2-*-linux*): Remove 'extra_parts' setting.

From-SVN: r221653

sourcebuild.texi (arm_tune_string_ops_prefer_neon): New.

* doc/sourcebuild.texi (arm_tune_string_ops_prefer_neon): New.

gcc/testsuite/ChangeLog
* lib/target-supports.exp (arm_tune_string_ops_prefer_neon): New.
* gcc.target/arm/memset-inline-4.c: Skip for
arm_tune_string_ops_prefer_neon.
* gcc.target/arm/memset-inline-5.c: Ditto.
* gcc.target/arm/memset-inline-6.c: Ditto.
* gcc.target/arm/memset-inline-8.c: Ditto.
* gcc.target/arm/memset-inline-9.c: Ditto.

From-SVN: r221651

arm.opt (print_tune_info): New option.

* config/arm/arm.opt (print_tune_info): New option.
* config/arm/arm.c (arm_print_tune_info): New function.
(arm_file_start): Call arm_print_tune_info.
* config/arm/arm-protos.h (struct tune_params): Add comment.
* doc/invoke.texi (@item -mprint-tune-info): New item.
(-mtune): mention it in ARM Option Summary.

From-SVN: r221650

rl78.c (rl78_print_operand_1): Move 'p' test to correct clause.

* config/rl78/rl78.c (rl78_print_operand_1): Move 'p' test to
correct clause.

From-SVN: r221649

Daily bump.

From-SVN: r221648

IPA ICF: enhance hash value calculated in TU

* ipa-icf-gimple.h (return_with_result): Add missing colon to dump.
* ipa-icf.c (sem_function::get_hash): Hash new declaration properties.
(sem_item::add_type): New function.
(sem_function::hash_stmt): Add TREE_TYPE of gimple_op.
(sem_function::compare_polymorphic_p): Do not consider indirect calls.
(sem_item_optimizer::update_hash_by_addr_refs): Add ODR type to hash.
(sem_function::equals_wpa): Fix typo.
* ipa-icf.h (sem_item::add_type): New function.
(symbol_compare_hashmap_traits): Replace hashing of pointer with symbol
order.

Co-Authored-By: Martin Liska <mliska@suse.cz>
From-SVN: r221645

re PR go/65417 (debug/elf: lacks support for PPC relocations)

PR go/65417
debug/elf: support reading debug info from 32-bit PPC objects

This is a backport of http://golang.org/7590 from the master
Go library.

From-SVN: r221644

re PR go/65462 (Use of 'go get' with gccgo is not finding dependencies correctly)

PR go/65462
cmd: Fix dependencies for 'go get' with gccgo

Problem described in GCC BZ 65462.
Generate the list of the standard GO package names based on what was built into libgo in the libgo Makefile.
Change the var name from reqPkgSrc to reqStdPkgSrc to clarify it only affects standard GO packages.
Skip the attempted loading of a package only if it is a standard GO package and the flag is set indicating its source is not required to be available.
This requires a corresponding change to gotools to build and link in the new file containing the list of standard GO package names that was generated by the libgo Makefile.

gotools/:
PR go/65462
* Makefile.am (go_cmd_go_files): Add $(libgodir)/zstdpkglist.go.
* Makefile.in: Rebuild.

From-SVN: r221643

re PR c++/65046 (-Wabi-tag doesn't warn about variables or function return types)

PR c++/65046
* cp-tree.h (NAMESPACE_IS_INLINE): Remove.
* parser.c (cp_parser_namespace_definition): Don't set it.
* name-lookup.c (handle_namespace_attrs): Check
DECL_NAMESPACE_ASSOCIATIONS instead.

From-SVN: r221642

re PR c++/65498 (ICE in cxx_eval_call_expression when using __func__ inside dependent context)

PR c++/65498
* pt.c (get_mostly_instantiated_function_type): Just return the
type of the partially instantiated template in DECL_TI_TEMPLATE.

From-SVN: r221641

re PR c++/58923 (g++ does not use provided conversion function for implicit conversion to another type)

2015-03-24  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/58923
* g++.dg/other/virtual3.C: New.

From-SVN: r221640

* fr.po: Update.

From-SVN: r221638

re PR c++/60130 (Sorry, unimplemented: mangling argument_pack_select)

2015-03-24  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/60130
* g++.dg/cpp0x/vt-60130.C: New.

From-SVN: r221637

re PR c++/61971 (array subscript is above array bounds [-Werror=array-bounds])

2015-03-24  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/61971
* g++.dg/warn/Warray-bounds-7.C: New.

From-SVN: r221636

re PR libstdc++/33394 (Add test case for Thread race segfault in std::string::append with -O and -s)

PR libstdc++/33394
* testsuite/21_strings/basic_string/pthread33394.cc: Add test.

# Auto-generated commit message above this line, original below.
PR libstdc++/33394
* testsuite/21_strings/basic_string/pthread33394.cc: Add test.

From-SVN: r221635

[multiple changes]

2015-03-24  Gary Dismukes  <dismukes@adacore.com>

* sem_ch3.adb: Minor typo fix (missing paren).

2015-03-24  Robert Dewar  <dewar@adacore.com>

* sinfo.ads: Update comment.

2015-03-24  Robert Dewar  <dewar@adacore.com>

* exp_attr.adb: Add entry for typ'Deref.
* sem_attr.adb (Deref): New GNAT attribute.
* sem_attr.ads: Add entry for new GNAT attribute Deref.
* snames.ads-tmpl: Add entries for new attribute Deref.

From-SVN: r221630

[multiple changes]

2015-03-24  Ed Schonberg  <schonberg@adacore.com>

* sem_ch13.adb (Rep_Item_Too_Early): allow pragma Convention
on generic type.

2015-03-24  Gary Dismukes  <dismukes@adacore.com>

* inline.adb: Minor typo fix.

From-SVN: r221629

building_executable_programs_with_gnat.rst, [...]: Doc improvements.

* doc/gnat_ugn/building_executable_programs_with_gnat.rst,
doc/gnat_ugn/gnat_utility_programs.rst
doc/gnat_rm/implementation_defined_attributes.rst
doc/gnat_rm/implementation_defined_pragmas.rst
doc/gnat_rm/representation_clauses_and_pragmas.rst
doc/gnat_rm/about_this_guide.rst
doc/gnat_rm/implementation_of_ada_2012_features.rst: Doc improvements.
* gnat_rm.texi, gnat_ugn.texi: Regenerate.

From-SVN: r221628

re PR fortran/55901 ([OOP] type is (character(len=*)) misinterpreted as array)

2015-03-24  Andre Vehreschild  <vehre@gmx.de>

PR fortran/55901
* trans-expr.c (gfc_conv_structure): Fixed indendation.
Using integer_zero_node now instead of explicitly
constructing a integer constant zero node.
(gfc_conv_derived_to_class): Add handling of _len component,
i.e., when the rhs has a string_length then assign that to
class' _len, else assign 0.
(gfc_conv_intrinsic_to_class): Likewise.

From-SVN: r221627

re PR c++/60067 (bogus error default template arguments may not be used in function templates)

2015-03-24  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/60067
* g++.dg/template/defarg18.C: New.

From-SVN: r221626

re PR c++/60067 (bogus error default template arguments may not be used in function templates)

2015-03-24  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/60067
* g++.dg/template/defarg18.C: New.

From-SVN: r221625

re PR c++/59988 (Failing to specialize template class)

2015-03-24  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/59988
* g++.dg/cpp0x/vt-59988.C: New.

From-SVN: r221624

re PR c++/59988 (Failing to specialize template class)

2015-03-24  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/59988
* g++.dg/cpp0x/vt-59988.C: New.

From-SVN: r221623

re PR tree-optimization/65533 (252.eon in SPEC CPU 2000 failed to build)

PR tree-optimization/65533
* tree-vect-slp.c (vect_build_slp_tree): Before re-trying
with swapped operands, call vect_free_slp_tree on
SLP_TREE_CHILDREN of child and truncate the SLP_TREE_CHILDREN
vector.

* gcc.dg/pr65533.c: New test.

From-SVN: r221622

re PR fortran/64787 (Invalid code on sourced allocation of class(*) character string)

gcc/fortran/ChangeLog

2015-03-24  Andre Vehreschild  <vehre@gmx.de>

PR fortran/64787
PR fortran/57456
PR fortran/63230
* class.c (gfc_add_component_ref):  Free no longer needed
ref-chains to prevent memory loss.
(find_intrinsic_vtab): For deferred length char arrays or
unlimited polymorphic objects, store the size in bytes of one
character in the size component of the vtab.
* gfortran.h: Added gfc_add_len_component () define.
* trans-array.c (gfc_trans_create_temp_array): Switched to new
function name for getting a class' vtab's field.
(build_class_array_ref): Likewise.
(gfc_array_init_size): Using the size information from allocate
more consequently now, i.e., the typespec of the entity to
allocate is no longer needed.  This is to address the last open
comment in PR fortran/57456.
(gfc_array_allocate): Likewise.
(structure_alloc_comps): gfc_copy_class_to_class () needs to
know whether the class is unlimited polymorphic.
* trans-array.h: Changed interface of gfc_array_allocate () to
reflect the no longer needed typespec.
* trans-expr.c (gfc_find_and_cut_at_last_class_ref): New.
(gfc_reset_len): New.
(gfc_get_class_array_ref): Switch to new function name for
getting a class' vtab's field.
(gfc_copy_class_to_class):  Added flag to know whether the class
to copy is unlimited polymorphic.  Adding _len dependent code
then, which calls ->vptr->copy () with four arguments adding
the length information ->vptr->copy(from, to, from_len, to_cap).
(gfc_conv_procedure_call): Switch to new function name for
getting a class' vtab's field.
(alloc_scalar_allocatable_for_assignment): Use the string_length
as computed by gfc_conv_expr and not the statically backend_decl
which may be incorrect when ref-ing.
(gfc_trans_assignment_1): Use the string_length variable and
not the rse.string_length.  The former has been computed more
generally.
* trans-intrinsic.c (gfc_conv_intrinsic_sizeof): Switch to new
function name for getting a class' vtab's field.
(gfc_conv_intrinsic_storage_size): Likewise.
(gfc_conv_intrinsic_transfer): Likewise.
* trans-stmt.c (gfc_trans_allocate): Restructured to evaluate
source=expr3 only once before the loop over the objects to
allocate, when the objects are not arrays. Doing correct _len
initialization and calling of vptr->copy () fixing PR 64787.
(gfc_trans_deallocate): Reseting _len to 0, preventing future
errors.
* trans.c (gfc_build_array_ref): Switch to new function name
for getting a class' vtab's field.
(gfc_add_comp_finalizer_call): Likewise.
* trans.h: Define the prototypes for the gfc_class_vtab_*_get ()
and gfc_vptr_*_get () functions.
Added gfc_find_and_cut_at_last_class_ref () and
gfc_reset_len () routine prototype.  Added flag to
gfc_copy_class_to_class () prototype to signal an unlimited
polymorphic entity to copy.

gcc/testsuite/ChangeLog

2015-03-24  Andre Vehreschild  <vehre@gmx.de>

* gfortran.dg/allocate_alloc_opt_13.f90: Added tests for
source= and mold= expressions functionality.
* gfortran.dg/allocate_class_4.f90: New test.
* gfortran.dg/unlimited_polymorphic_20.f90: Added test whether
copying an unlimited polymorhpic object containing a char array
to another unlimited polymorphic object respects the _len
component.
* gfortran.dg/unlimited_polymorphic_22.f90: Extended to check
whether deferred length char array allocate works, unlimited
polymorphic object allocation from a string works and if
allocating an array of deferred length strings works.
* gfortran.dg/unlimited_polymorphic_24.f03: New test.

From-SVN: r221621

re PR c++/65513 (gcc stops with "internal compiler error")

2015-03-24  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/65513
* g++.dg/cpp0x/constexpr-array11.C: New.

From-SVN: r221620

re PR middle-end/65517 (ICE: in get_loop_body, at cfgloop.c:856)

2015-03-24  Richard Biener  <rguenther@suse.de>

PR middle-end/65517
* tree-cfg.c (remove_edge_and_dominated_blocks): Mark loops
for fixup if necessary.

* gcc.dg/torture/pr65517.c: New testcase.

From-SVN: r221619

coindexed_1.f90: Moved from gfortran.dg/coarray/coindexed_3.f90; added dg-options.

2015-03-24  Tobias Burnus  <burnus@net-b.de>

        * gfortran.dg/coindexed_1.f90: Moved from
        gfortran.dg/coarray/coindexed_3.f90; added dg-options.

From-SVN: r221618

gfortran.texi (_gfortran_caf_sync_memory): Improve wording.

2015-03-24  Iain Sandoe  <iain@codesourcery.com>
            Tobias Burnus  <burnus@net-b.de>

        * gfortran.texi (_gfortran_caf_sync_memory): Improve wording.

Co-Authored-By: Tobias Burnus <burnus@net-b.de>
From-SVN: r221615

extend.texi (Function Attributes): Add @cindex entries for all attributes and regularize their format.

2015-03-23  Sandra Loosemore  <sandra@codesourcery.com>

gcc/
* doc/extend.texi (Function Attributes): Add @cindex entries
for all attributes and regularize their format.  Delete text
about long-obsolete 68HC11 and 68HC12 targets.  Move misplaced
information about "eightbit_data", "tiny_data", and "model"
variable attributes to the Variable Attributes section.  Fix
some obvious typos and copy-editing issues.
(Variable Attributes, Type Attributes): Likewise add/fix
@cindex entries for all attributes.

From-SVN: r221614

Daily bump.

From-SVN: r221613

re PR testsuite/65506 (FAIL: gcc.dg/pr29215.c scan-tree-dump-not gimple "memcpy")

2015-03-23  Jakub Jelinek  <jakub@redhat.com>

PR testsuite/65506
* gcc.dg/pr29215.c: Dump and analyze ccp1 dump instead of
gimple dump.

From-SVN: r221607

re PR target/65523 (ICE: in gimple_op, at gimple.h:2270 with -fcheck-pointer-bounds -mmpx)

PR target/65523
* tree-chkp.c (chkp_build_returned_bound): Ignore
ERF_RETURNS_ARG calls if they have fewer than needed arguments.

* gcc.target/i386/pr65523.c: New test.

From-SVN: r221606

re PR lto/65475 (ICE in odr_vtable_hasher::equal (Segmentation fault))

PR ipa/65475
* g++.dg/lto/pr65475_0.C: Use dg-lto-options instead of
dg-options.
* g++.dg/lto/pr65475b_0.C: Likewise.

From-SVN: r221605

re PR target/65505 ([SH] ICE in sh_disp_addr_displacement)

gcc/
PR target/65505
* config/sh/predicates.md (simple_mem_operand,
displacement_mem_operand): Add test for reg.
(short_displacement_mem_operand): Test for displacement_mem_operand
before invoking sh_disp_addr_displacement.
* config/sh/constraints.md (Sdd, Sra): Simplify.
* config/sh/sync.md (atomic_mem_operand_0, atomic_mem_operand_1):
Remove redundant displacement_mem_operand tests.

gcc/testsuite/
PR target/65505
* gcc.target/sh/torture/pr65505.c: New.

From-SVN: r221604

re PR target/65296 ([avr] fix various issues with specs file generation)

PR target/65296
* config/avr/driver-avr.c (avr_devicespecs_file): Allow to specify
the same -mmcu=MCU more than once.

From-SVN: r221602

re PR testsuite/63175 (FAIL: gcc.dg/vect/costmodel/ppc/costmodel-bb-slp-9a.c scan-tree-dump-times slp2" basic block vectorized using SLP" 1)

2015-03-23  Martin Sebor  <msebor@redhat.com>

PR testsuite/63175
* gcc.dg/vect/costmodel/ppc/costmodel-bb-slp-9a-pr63175.c: Scan
assembly for lvx in addition to lxv.

From-SVN: r221601

re PR libstdc++/64967 (Bootstrap fails due to errors in libstdc++ sources with `--enable-symvers=gnu-versioned-namespace')

PR libstdc++/64967
* acinclude.m4: Disable dual ABI when gnu-versioned-namespace in use.
* configure: Regenerate.
* src/c++11/compatibility-c++0x.cc (error_category), generic_category,
system_category): Use macros for versioned namespace.
* src/c++11/futex.cc: Add missing end macro for versioned namespace.

From-SVN: r221600

re PR bootstrap/65522 (Svn revision 221590 fails bootstrap - ../libiberty/libiberty.a(cplus-dem.o): In function `ada_demangle': cplus-dem.c:(.text+0xdb8): multiple definition of `ada_demangle' ada/adadecode.o:adadecode.c:(.text+0x863): first defined here)

PR bootstrap/65522
* ipa-devirt.c: Remove duplicate demangle.h include.

* adadecode.c (ada_demangle): Guard with IN_RTS instead of IN_GCC.

From-SVN: r221599

* fr.po: Update.

From-SVN: r221598

re PR target/65504 (select case with strings and -fgcse -O)

PR target/65504
* config/i386/i386.c (ix86_copy_addr_to_reg): Set REG_POINTER
on the pseudo.
(expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Set
REG_POINTER on *destptr after adjusting it for prologue size.

* gfortran.dg/pr65504.f90: New test.

From-SVN: r221597

re PR ipa/65521 (nondeterministic -fcompare-debug failures)

PR ipa/65521
* ipa-icf.c (sem_item::update_hash_by_addr_refs): Hash
ultimate_alias_target ()->order ints instead of
ultimate_alias_target () pointers.

* gcc.dg/pr65521.c: New test.

From-SVN: r221596

re PR tree-optimization/65518 (gcc consumes all memory with -O3)

2015-03-23  Richard Biener  <rguenther@suse.de>

PR tree-optimization/65518
* tree-vect-stmts.c (vectorizable_load): Reject single-element
interleaving cases we generate absymal code for.

* gcc.dg/vect/pr65518.c: New testcase.

From-SVN: r221595

re PR sanitizer/59009 (libsanitizer merge from upstream r191666 breaks bootstrap on powerpc64-linux and aarch64-linux)

2015-03-23  Christophe Lyon  <christophe.lyon@linaro.org>

PR sanitizer/59009
* sanitizer_common/sanitizer_platform_limits_posix.cc: Cherry pick
upstream r230324.
* sanitizer_common/sanitizer_platform.h: Likewise.
* sanitizer_common/sanitizer_common_syscalls.inc: Likewise.

From-SVN: r221593

re PR tree-optimization/65494 (Loop is not vectorized because of operand canonicalization.)

2015-03-23  Richard Biener  <rguenther@suse.de>

PR tree-optimization/65494
* tree-vect-slp.c (vect_build_slp_tree): Do not (re-)allocate
matches here.
(vect_analyze_slp_instance): But do that here, always and once.

* gcc.dg/vect/pr65494.c: New testcase.

From-SVN: r221592

[expmed][trivial] Fix comment about multiplying by T-1 and adding T.

* expmed.c (synth_mult): Fix comment about multiplying by T-1 and
adding T or multiplying by T+1 and subracting T.

From-SVN: r221588

re PR preprocessor/65238 (__has_attribute is not handled properly with -traditional-cpp.)

PR preprocessor/65238
* internal.h (_cpp_scan_out_logical_line): Add third argument.
* directives.c (prepare_directive_trad): Pass false to it.
* traditional.c (_cpp_read_logical_line_trad,
_cpp_create_trad_definition): Likewise.
(struct fun_macro): Add paramc field.
(fun_like_macro): New function.
(maybe_start_funlike): Handle NODE_BUILTIN macros.  Initialize
macro->paramc field.
(save_argument): Use macro->paramc instead of
macro->node->value.macro->paramc.
(push_replacement_text): Formatting fix.
(recursive_macro): Use fun_like_macro helper.
(_cpp_scan_out_logical_line): Likewise.  Add BUILTIN_MACRO_ARG
argument.  Initialize fmacro.paramc field.  Handle builtin
function-like macros.

* c-c++-common/cpp/pr65238-1.c: New test.
* gcc.dg/cpp/pr65238-2.c: New test.
* gcc.dg/cpp/trad/pr65238-3.c: New test.
* gcc.dg/cpp/trad/pr65238-4.c: New test.

From-SVN: r221587

re PR fortran/64952 (Missing temporary in assignment from elemental function)

2015-03-23  Paul Thomas  <pault@gcc.gnu.org>
    Mikael Morin  <mikael@gcc.gnu.org>

PR fortran/64952
fortran/
* gfortran.h (struct symbol_attribute) : New field
'array_outer_dependency'.
* trans.h (struct gfc_ss_info): New field 'array_outer_dependency'.
* module.c (enum ab_attribute): New value AB_ARRAY_OUTER_DEPENDENCY.
(attr_bits): Append same value to initializer.
(mio_symbol_attribute): Handle 'array_outer_dependency' attr
in module read and write.
* resolve.c (update_current_proc_outer_array_dependency): New function.
(resolve_function, resolve_call): Add code to update current procedure's
'array_outer_dependency' attribute.
(resolve_variable): Mark current procedure with attribute
array_outer_dependency if the variable is an array coming from outside
the current namespace.
(resolve_fl_procedure): Mark a procedure without body with attribute
'array_outer_dependency'.
* trans-array.c (gfc_conv_resolve_dependencies): If any ss is
marked as 'array_outer_dependency' generate a temporary.
(gfc_walk_function_expr): If the function may reference external arrays,
mark the head gfc_ss with flag 'array_outer_dependency'.
testsuite/
* gfortran.dg/elemental_dependency_4.f90: New.
* gfortran.dg/elemental_dependency_5.f90: New.

Co-Authored-By: Mikael Morin <mikael@gcc.gnu.org>
From-SVN: r221586