* config/i386/morestack.S (__morestack_non_split): Increase amount
of space allocated for non-split code stack.

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2012-08-21  Richard Guenther  <rguenther@suse.de>

Backport from mainline
2012-08-16  Richard Guenther  <rguenther@suse.de>

PR middle-end/54146
* tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
exit vector.
* ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
* cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
* tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
* tree-ssa-loop-im.c (analyze_memory_references): Adjust.
(tree_ssa_lim_finalize): Free all mem_refs.
* tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
scc when bailing out.
* modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
* ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
* graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
FOR_EACH_LOOP_BREAK.

2012-08-17  Richard Guenther  <rguenther@suse.de>

* tree-sra.c (modify_function): Free redirect_callers vector.
* ipa-split.c (split_function): Free args_to_pass vector.
* tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
vec_oprnds.
(new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
* tree-vect-slp.c (vect_free_slp_instance): Free the instance.
(vect_analyze_slp_instance): Free everything.
(destroy_bb_vec_info): Free the SLP instances.

2012-08-17  Richard Guenther  <rguenther@suse.de>

* params.def (integer-share-limit): Decrease from 256 to 251,
add rationale.

2012-08-21  Richard Guenther  <rguenther@suse.de>

* tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
the affine expansion cache.

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mksysinfo: Fix syscall.F_GETLK and friends for 32-bit x86.

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gcc/
2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>

Backported from trunk
2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>

PR middle-end/53992
* omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.

testsuite/
2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>

Backported from trunk
2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>

PR middle-end/53992
* gcc.dg/gomp/pr53992.c: New test.

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Fix PR target/54212

2012-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

Backport from mainline.
2012-08-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

PR target/54212
* config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
mark as predicable. Adjust asm template.
(vec_setv2di_internal): Likewise.
(vec_extract<mode> VD, VQ): Likewise.
(vec_extractv2di): Likewise.
(neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
(neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
(neon_vdup_n<mode> VX, V32): Likewise.
(neon_vdup_nv2di): Likewise.

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Define stubs for feedback instrumentation.
Backport from mainline
2012-08-17  Walter Lee  <walt@tilera.com>

* config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
(FEEDBACK_ENTER): Define.
(FEEDBACK_REENTER): Define.
(FEEDBACK_ENTRY): Define.
* config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
(FEEDBACK_ENTER): Define.
(FEEDBACK_REENTER): Define.
(FEEDBACK_ENTRY): Define.

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    * config.host (*-*-aix*): Move rs6000/t-ibm-ldouble after
        rs6000/t-slibgcc-aix.

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Add a stub header file "feedback.h," needed to compile glibc and
linux.
       Backport from mainline
       2012-08-16  Walter Lee  <walt@tilera.com>

       * config.gcc (tilegx-*-linux*): Add feedback.h.
       (tilepro-*-linux*): Likewise.
       * config/tilegx/feedback.h: New file.
       * config/tilepro/feedback.h: New file.

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    Backport from mainline r189840 and r187586:

        2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>

        * config/i386/i386.md (stack_protect_set): Disable the pattern
        for Android since Android libc (bionic) does not provide random
        value for stack protection guard at gs:0x14. Guard value
        will be provided from external symbol (default implementation).
        (stack_protect_set_<mode>): Likewise.
        (stack_protect_test): Likewise.
        (stack_protect_test_<mode>): Likewise.
        * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
        not have Bionic by default
        * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
        Macro OPTION_BIONIC is defined in this file and provides Bionic
        accessibility status

        2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>

        * configure.ac: Stack protector enabling for Android targets.
        * configure: Regenerate.

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2012-08-13  David Adler  <d.adler.s@gmail.com>

PR libstdc++/54185
* src/c++11/condition_variable.cc (condition_variable): Always
destroy native type in destructor.
* testsuite/30_threads/condition_variable/54185.cc: New.

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Backported from trunk
2012-07-19  Jakub Jelinek  <jakub@redhat.com>

PR rtl-optimization/53942
* function.c (assign_parm_setup_reg): Avoid zero/sign extension
directly from likely spilled non-fixed hard registers, move them
to pseudo first.

* gcc.dg/pr53942.c: New test.

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* config/i386/sse.md (xop_phaddbq):  Fix vec_select selectors.
(xop_phaddubq): Ditto.

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compiler: Reject type switch using non-interface type.

Fixes issue 16.

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ChangeLog:

Backport from mainline
2012-07-30  Ulrich Weigand  <ulrich.weigand@linaro.org>
    Richard Earnshaw  <rearnsha@arm.com>

* target.def (vector_alignment): New target hook.
* doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
* doc/tm.texi: Regenerate.
* targhooks.c (default_vector_alignment): New function.
* targhooks.h (default_vector_alignment): Add prototype.
* stor-layout.c (layout_type): Use targetm.vector_alignment.
* config/arm/arm.c (arm_vector_alignment): New function.
(TARGET_VECTOR_ALIGNMENT): Define.

* tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
vector type alignment instead of size.
* tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
element type size directly instead of computing it from alignment.
Fix variable naming and comment.

testsuite/ChangeLog:

Backport from mainline
2012-07-30  Ulrich Weigand  <ulrich.weigand@linaro.org>

* lib/target-supports.exp
(check_effective_target_vect_natural_alignment): New function.
* gcc.dg/align-2.c: Only run on targets with natural alignment
of vector types.
* gcc.dg/vect/slp-25.c: Adjust tests for targets without natural
alignment of vector types.

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* config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
(alpha_pad_function_end): ... this.  Also insert NOP between
sibling call and GP load.
(alpha_reorg): Update call to alpha_pad_function_end.  Expand comment.

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Don't return identity for CONST or symbolic reference

gcc/

2012-08-09  H.J. Lu  <hongjiu.lu@intel.com>

Backport from mainline
2012-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
    H.J. Lu  <hongjiu.lu@intel.com>

PR rtl-optimization/54157
* combine.c (gen_lowpart_for_combine): Don't return identity
for CONST or symbolic reference.

gcc/testsuite/

2012-08-09  H.J. Lu  <hongjiu.lu@intel.com>

Backport from mainline
2012-08-08  H.J. Lu  <hongjiu.lu@intel.com>

PR rtl-optimization/54157
* gcc.target/i386/pr54157.c: New file.

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2012-08-06  Peter Bergner  <bergner@vnet.ibm.com>

PR libstdc++/54036
* include/decimal/decimal.h (_DEFINE_DECIMAL_UNARY_OP): Use _Op as
a unary operator.
* testsuite/decimal/pr54036-1.cc: New test.
* testsuite/decimal/pr54036-2.cc: Likewise.
* testsuite/decimal/pr54036-3.cc: Likewise.

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Backport from mainline
2012-07-23  Uros Bizjak  <ubizjak@gmail.com>

* config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
* config/i386/i386.c (ix86_lea_outperforms): Make static.  Make
split_cost argument signed.
(ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
(ix86_avoid_lea_for_addr): Ditto.

2012-07-27  Uros Bizjak  <ubizjak@gmail.com>

* config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
the address has less than two components.

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Revert delta 190174

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Latest updates from FSF 4.7 branch

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2012-08-02  Steve Ellcey  <sellcey@mips.com>

Backport from Mainline
2012-07-19  Steve Ellcey  <sellcey@mips.com>

* config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
MIPS16 mode.

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Backport from mainline
2012-07-24  Uros Bizjak  <ubizjak@gmail.com>

PR target/53961
* config/i386/i386.c (ix86_legitimate_address_p): Move check for
negative constant address for TARGET_X32 ...
(ix86_decompose_address): ... here.  Reject constant addresses
that don't satisfy x86_64_immediate_operand predicate.

2012-07-23  Uros Bizjak  <ubizjak@gmail.com>

PR target/53961
* config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
* config/i386/i386.c (ix86_print_operand_address): Ditto.
(ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
addresses.  Prevent zero extensions of CONST_INT operands.

2012-07-22  Uros Bizjak  <ubizjak@gmail.com>

PR target/53961
* config/i386/i386.md (*lea): New insn pattern.
(*lea_1): Remove.
(*lea<mode>_2): Ditto.
(*lea_{3,4,5,6}_zext): Ditto.
* config/i386/predicates.md (lea_address_operand): Do not reject
zero-extended address operands.
* config/i386/constraints.md (j): Remove address constraint.
* config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
of an address.
(ix86_print_operand_address): Handle SImode subreg of an address.
(ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.

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2012-08-02  Michael Hope  <michael.hope@linaro.org>

Backport from mainline r186389:
2012-04-12  Andreas Schwab  <schwab@linux-m68k.org>

* testsuite/Makefile.am (check_DEJAGNUnormal0): Run
prettyprinters.exp.
* testsuite/Makefile.in: Regenerated.

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Backport from mainline
2012-03-09  Uros Bizjak  <ubizjak@gmail.com>

PR target/52530
* config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
(ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
to set code to 'q'.
* config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
(*movdi_internal_rex64): Use %E operand modifier for lea.
(*movsi_internal): Ditto.
(*lea_1): Ditto.
(*lea<mode>_2): Ditto.
(*lea_{3,4,5,6}_zext): Ditto.
(*tls_global_dynamic_32_gnu): Ditto.
(*tls_global_dynamic_64): Ditto.
(*tls_dynamic_gnu2_lea_32): Ditto.
(*tls_dynamic_gnu2_lea_64): Ditto.
(pro_epilogue_adjust_stack_<mode>_add): Ditto.

testsuite/ChangeLog:

Backport from mainline
2012-03-11  Uros Bizjak  <ubizjak@gmail.com>

PR target/52530
* gcc.dg/torture/pr52530.c: New test.

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Backport from mainline
2012-08-01  Uros Bizjak  <ubizjak@gmail.com>

* config/i386/i386.c (ix86_address_subreg_operand): Reject
stack pointer.
(ix86_print_operand_address): Assert that parts.base and parts.index
are non-NULL after call to simplify_subreg.

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2012-07-29  François Dumont  <fdumont@gcc.gnu.org>

PR libstdc++/54075
* include/bits/hashtable_policy.h
(_Prime_rehash_policy::_M_next_bkt): Add a growth factor set to 2
to boost growth in the number of buckets.
* testsuite/performance/23_containers/insert/unordered_set.cc: New.

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    * gcc.dg/20020201-1.c: Remove declarations for exit, abort,
        rand, srand. Include <stdlib.h>.

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2012-07-26  François Dumont  <fdumont@gcc.gnu.org>

PR libstdc++/54075
* include/bits/hashtable.h
(_Hashtable<>::_Hashtable(_InputIterator, _InputIterator,
size_type, ...): Remove std::max usage to guarantee that hashtable
state is consistent with hash policy state.
(_Hashtable<>::rehash): Likewise. Set _M_prev_resize to 0 to avoid
the hashtable shrinking on next insertion.
* testsuite/23_containers/unordered_set/modifiers/reserve.cc: New.
* testsuite/23_containers/unordered_multiset/modifiers/reserve.cc: New.
* testsuite/23_containers/unordered_map/modifiers/reserve.cc: New.
* testsuite/23_containers/unordered_multimap/modifiers/reserve.cc: New.

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runtime, runtime/pprof: Fix runtime/pprof test to pass, enable it.

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runtime: correct a logic error in hashmap growth.

The bug prevented maps to grow properly to sizes
larger than 1.3 million.

From Rémy Oudompheng.

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PR target/33135
* config/sh/sh.opt (mieee): Use Var instead of Mask.  Correct
description.
* config/sh/sh.c (sh_option_override): Do not change
flag_finite_math_only.  Set TARGET_IEEE to complement of
flag_finite_math_only.
* doc/invoke.texi (SH options): Add mno-ieee.  Correct
description of mieee and mno-ieee behavior.

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PR c++/54038
* tree.c (build_cplus_array_type): Use build_cplus_array_type to build
canonical array type rather than mess with its TYPE_*_VARIANT.

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2012-07-20  Paolo Carlini  <paolo.carlini@oracle.com>

* testsuite/30_threads/thread/adl.cc: Add missing dg-requires.

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2012-07-20  Kirill Yukhin  <kirill.yukhin@intel.com>

        PR target/53877
        * config/i386/lzcntintrin.h (_lzcnt_u32): New.
        (_lzcnt_u64): Ditto.

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    Backport from mainline
        2012-03-06  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/52250
        * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
        to put note list into.  Unconditionally call move_bb_info.
        (move_bb_info): Do not assert the blocks being in the same region,
        just drop the note list if they are not.

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PR c++/54026
* typeck.c (cp_apply_type_quals_to_decl): Check COMPLETE_TYPE_P.

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* config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.

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* tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
defining statement is a SSA name that occurs in abnormal PHIs.

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* gimple-fold.c (canonicalize_constructor_val): Strip only useless type
conversions.

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* gcc-interface/decl.c (gnat_to_gnu_entity) <object>: Try to ensure
that an object of CW type initialized to a value is sufficiently
aligned for this value.

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* tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
about transition from invariant to known bits.
(likely_value): Addresses with UNDEFINED components are UNDEFINED.

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* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Subtype>: Do not
look up the REP part of the base type in advance.  Deal with that of
the variant types.
(get_rep_part): Be prepared for record types with fields.

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PR middle-end/54017
* tree-cfgcleanup.c (cleanup_omp_return): Remove.
(cleanup_tree_cfg_bb): Don't call it.
* omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
handling.

* c-c++-common/gomp/pr54017.c: New test.

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PR target/54029
* config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.

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* method.c (process_subob_fn): Make sure no_implicit_p is non-null
before trying to store through it.

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2012-07-18  Ralf Corsépius  <ralf.corsepius@rtems.org>

       * config.gcc (v850-*-rtems*): New target.
       * config/v850/rtems.h: New.
       * config/v850/t-rtems: New.

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* doc/invoke.texi (ARM Options): Document -munaligned-access.

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2012-07-18  Richard Guenther  <rguenther@suse.de>

        Backport from mainline
        2012-05-03  Richard Guenther  <rguenther@suse.de>

        * gfortran.dg/pr52621.f90: Add -w to avoid diagnostic about
        unsupported prefetching support.

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PR c++/53995
* decl.c (finish_enum_value_list): Only call
insert_late_enum_def_into_classtype_sorted_fields in class scope.

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PR c++/53989
* tree.c (build_cplus_array_type): Also add TYPE_CANONICAL
to the list of variants.

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PR c++/53549
* parser.c (cp_parser_class_head): Call xref_basetypes here.
(cp_parser_class_specifier_1): Not here.
* pt.c (tsubst_decl) [USING_DECL]: Check uses_template_parms
as well as DECL_DEPENDENT_P.

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PR libstdc++/53270
* include/ext/concurrence.h: Use NSDMI for gthreads types.
* include/ext/rope: Likewise. Destroy mutexes in destructors. Add
system_header pragma.

Revert:
2012-06-19  Jonathan Wakely  <jwakely.gcc@gmail.com>

PR libstdc++/53270
* config/os/gnu-linux/os_defines.h: Disable static initializer macros
for gthreads types in C++11 mode.

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PR libstdc++/53978
* include/bits/alloc_traits.h (allocator_traits): Define static
constants.
* include/bits/ptr_traits.h (pointer_traits): Likewise.
* include/ext/alloc_traits.h (__allocator_always_compares_equal):
Likewise.

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PR target/53961

Backport from mainline
2012-04-25  Jakub Jelinek  <jakub@redhat.com>

PR target/53110
* config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
instead expand it as zero extension.

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* config/i386/i386.md (QImode and HImode cmove splitters): Merge
QImode and HImode splitters.  Use ix86_comparison_operator.
Explicitly match FLAGS_REG.
(DFmode cmove splitter): Explicitly match FLAGS_REG.

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PR rtl-optimization/53908
* gcc.dg/torture/pr53908.c: New test.

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PR rtl-optimization/53908
* df-problems.c (can_move_insns_across): When doing
memory-reference book-keeping, handle call insns.

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PR c++/53953
* method.c (synthesized_method_walk): Initialize no_implicit_p sooner.

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2012-07-13  Paolo Carlini  <paolo.carlini@oracle.com>

PR libstdc++/53657
* include/bits/stl_pair.h (pair<>::pair(pair&&)): Declare defaulted,
per C++11.
* include/bits/stl_map.h (map<>::insert(_Pair&&), map<>::insert
(const_iterator, _Pair&&)): Constrain with std::is_constructible,
per LWG2005.
* include/bits/stl_multimap.h (multimap<>::insert(_Pair&&),
multimap<>::insert(const_iterator, _Pair&&)): Likewise.
* include/bits/hashtable.h (_Hashtable<>::insert(_Pair&&),
_Hashtable<>::insert(const_iterator, _Pair&&)): Likewise.
* include/debug/unordered_map: Adjust.
* include/debug/map.h: Likewise.
* include/debug/multimap.h: Likewise.
* include/profile/unordered_map: Likewise.
* include/profile/map.h: Likewise.
* include/profile/multimap.h: Likewise.

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