mksysinfo: Define SIGPOLL and SIGCLD if necessary.

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Backport from mainline
2012-10-22  Uros Bizjak  <ubizjak@gmail.com>

* config/i386/i386.c (memory_address_length): Assert that non-null
base or index RTXes are registers.  Do not check for REG RTXes.
Determine addr32 prefix using SImode_address_operand or
from original base and index RTXes.  Simplify code.

2012-10-21  Uros Bizjak  <ubizjak@gmail.com>

* config/i386/i386-protos.h (memory_address_length): Add new bool
argument.  Update all uses.
* config/i386/i386.c (memory_address_length): If not LEA insn, then
add length of addr32 prefix based on mode of base or index register.
(ix86_attr_length_address_default) <TYPE_LEA>: Do not handle SImode
addresses here.  Update call to memory_address_length.
(ix86_print_address_operand): Use SImode_address_operand predicate.
* config/i386/predicates.md (SImode_address_operand): New.
* config/i386/i386.md (lea<mode>): Use SImode_address_operand
to calculate "mode" attribute.  Use SImode_address_operand predicate
instead of open-coding accepted RTX codes.

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PR go/54918
Revert previous patch: do not change libgo SONAME on branch.

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Set libgo.so version number for GCC 4.7 releases.

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Backport from 2012-10-22 trunk r192685.
* doc/invoke.texi (AVR Options): Document __AVR_ARCH__.
Note __AVR_<device>__ is not defined for cores.
Don't point to --help=target.
Order --mcu= documentation according to trunk:/gcc/doc/avr-mmcu.texi.

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* gcc-interface/Makefile.in: Remove outdated comment and reference to
non-existing file.

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* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Type>: Force
BLKmode on the type if it is passed by reference.
<E_Array_Subtype>: Likewise.
<E_Record_Type>: Guard the call to Is_By_Reference_Type predicate.
<E_Record_Subtype>: Likewise.

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* gcc-interface/trans.c (Loop_Statement_to_gnu): Use gnat_type_for_size
directly to obtain an unsigned version of the base type.

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* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Out_Parameter>: Do not
generate the special PARM_DECL for an Out parameter in LTO mode.

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* gnat.dg/specs/atomic1.ads: XFAIL on MIPS.
* gnat.dg/specs/addr1.ads: Likewise.

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PR54945

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gcc/ChangeLog
Backported from mainline
2012-10-19  Zhenqiang Chen <zhenqiang.chen@linaro.org>

PR target/54892
* config/arm/arm.c (arm_expand_compare_and_swap): Use SImode to make
sure the mode is correct when falling through from above cases.

gcc/testsuite/ChangeLog
Backported from mainline
2012-10-19  Zhenqiang Chen <zhenqiang.chen@linaro.org>

PR target/54892
* gcc.target/arm/pr54892.c: New.

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* configure.ac (HAVE_LD_NO_DOT_SYMS): Set if using gold.
(HAVE_LD_LARGE_TOC): Likewise.
* configure: Regenerate.

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* config/rs6000/predicates.md (splat_input_operand): Don't call
input_operand for MEMs.  Instead check for volatile and call
memory_address_addr_space_p with modified mode.

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Backported from mainline
2012-07-23  Ulrich Weigand  <ulrich.weigand@linaro.org>

* config/arm/arm.c (arm_reorg): Ensure all insns are split.

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PR rtl-optimization/54870
* tree.h (TREE_ADDRESSABLE): Document special usage on SSA_NAME.
* cfgexpand.c (update_alias_info_with_stack_vars ): Set it on the
SSA_NAME pointer that points to a partition if there is at least
one variable with it set in the partition.
* dse.c (local_variable_can_escape): New predicate.
(can_escape): Call it.
* gimplify.c (mark_addressable): If this is a partitioned decl, also
mark the SSA_NAME pointer that points to a partition.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192518 138bc75d-0d04-0410-961f-82ee72b054a4

2012-10-16  Andrey Belevantsev  <abel@ispras.ru>

    Backport from mainline
    2012-08-09  Andrey Belevantsev  <abel@ispras.ru>

    PR rtl-optimization/53701
    * sel-sched.c (vinsn_vec_has_expr_p): Clarify function comment.
    Process not only expr's vinsns but all old vinsns from expr's
    history of changes.
    (update_and_record_unavailable_insns): Clarify comment.

testsuite:
2012-10-16  Andrey Belevantsev  <abel@ispras.ru>

    Backport from mainline
    2012-08-09  Andrey Belevantsev  <abel@ispras.ru>

    PR rtl-optimization/53701
    * gcc.dg/pr53701.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192498 138bc75d-0d04-0410-961f-82ee72b054a4

    Backport from mainline
        2012-07-31  Andrey Belevantsev  <abel@ispras.ru>
        PR target/53975

        * sel-sched-ir.c (has_dependence_note_reg_use): Clarify comment.
        Revert
        2011-08-04  Sergey Grechanik  <mouseentity@ispras.ru>
        * sel-sched-ir.c (has_dependence_note_reg_use): Call ds_full_merge
        only if producer writes to the register given by regno.

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Backport from mainline
2012-10-15  Uros Bizjak  <ubizjak@gmail.com>

* config/i386/sse.md (UNSPEC_MOVU): Remove.
(UNSPEC_LOADU): New.
(UNSPEC_STOREU): Ditto.
(<sse>_movu<ssemodesuffix><avxsizesuffix>): Split to ...
(<sse>_loadu<ssemodesuffix><avxsizesuffix>): ... this and ...
(<sse>_storeu<ssemodesuffix><avxsizesuffix>) ... this.
(<sse2>_movdqu<avxsizesuffix>): Split to ...
(<sse2>_loaddqu<avxsizesuffix>): ... this and ...
(<sse2>_storedqu<avxsizesuffix>): ... this.
(*sse4_2_pcmpestr_unaligned): Update.
(*sse4_2_pcmpistr_unaligned): Ditto.

* config/i386/i386.c (ix86_avx256_split_vector_move_misalign): Use
gen_avx_load{dqu,ups,upd}256 to load from unaligned memory and
gen_avx_store{dqu,ups,upd}256 to store to unaligned memory.
(ix86_expand_vector_move_misalign): Use gen_sse_loadups or
gen_sse2_load{dqu,upd} to load from unaligned memory and
gen_sse_loadups or gen_sse2_store{dqu,upd}256 to store to
unaligned memory.
(struct builtin_description bdesc_spec) <IX86_BUILTIN_LOADUPS>:
Use CODE_FOR_sse_loadups.
<IX86_BUILTIN_LOADUPD>: Use CODE_FOR_sse2_loadupd.
<IX86_BUILTIN_LOADDQU>: Use CODE_FOR_sse2_loaddqu.
<IX86_BUILTIN_STOREUPS>: Use CODE_FOR_sse_storeups.
<IX86_BUILTIN_STOREUPD>: Use CODE_FOR_sse2_storeupd.
<IX86_BUILTIN_STOREDQU>: Use CODE_FOR_sse2_storedqu.
<IX86_BUILTIN_LOADUPS256>: Use CODE_FOR_avx_loadups256.
<IX86_BUILTIN_LOADUPD256>: Use CODE_FOR_avx_loadupd256.
<IX86_BUILTIN_LOADDQU256>: Use CODE_FOR_avx_loaddqu256.
<IX86_BUILTIN_STOREUPS256>: Use CODE_FOR_avx_storeups256.
<IX86_BUILTIN_STOREUPD256>: Use CODE_FOR_avx_storeupd256.
<IX86_BUILTIN_STOREDQU256>: Use CODE_FOR_avx_storedqu256.

testsuite/ChangeLog:

Bacport from mainline
2012-10-15  Uros Bizjak  <ubizjak@gmail.com>

* gcc.target/i386/avx256-unaligned-load-1.c: Update asm scan patterns.
* gcc.target/i386/avx256-unaligned-load-2.c: Ditto.
* gcc.target/i386/avx256-unaligned-load-3.c: Ditto.
* gcc.target/i386/avx256-unaligned-load-4.c: Ditto.
* gcc.target/i386/avx256-unaligned-store-1.c: Ditto.
* gcc.target/i386/avx256-unaligned-store-2.c: Ditto.
* gcc.target/i386/avx256-unaligned-store-3.c: Ditto.
* gcc.target/i386/avx256-unaligned-store-4.c: Ditto.

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Backport from trunk (r190222):

PR tree-optimization/54146
* ifcvt.c: Include pointer-set.h.
(cond_move_process_if_block): Change type of then_regs and
else_regs from alloca'd array to pointer_sets.
(check_cond_move_block): Update for this change.
(cond_move_convert_if_block): Likewise.
* Makefile.in: Fix dependencies for ifcvt.o.

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2012-10-15  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/54920
* tree-ssa-pre.c (create_expression_by_pieces): Properly
allocate temporary storage for all NARY elements.

* gcc.dg/torture/pr54920.c: New testcase.

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2012-10-14  Janus Weil  <janus@gcc.gnu.org>

PR fortran/54784
* trans-stmt.c (gfc_trans_allocate): Correctly determine the reference
to the _data component for polymorphic allocation with SOURCE.

2012-10-14  Janus Weil  <janus@gcc.gnu.org>

PR fortran/54784
* gfortran.dg/class_allocate_13.f90: New.

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2012-10-12  Thomas König  <tkoenig@gcc.gnu.org>

PR libfortran/54736
libgfortran/Changelog:  Fix date of last commit.

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2012-10-06  Thomas König  <tkoenig@gcc.gnu.org>

PR libfortran/54736
Backport from trunk
* runtime/environ.c (search_unit):  Correct logic
for binary search.
(mark_single):  Fix index errors.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192408 138bc75d-0d04-0410-961f-82ee72b054a4

Revert r192309.

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2012-10-10  Andrew MacLeod  <amacleod@redhat.com>

PR libstdc++/54861
* include/bits/atomic_base.h (atomic_signal_fence): Call
__atomic_signal_fence instead of __atomic_thread_fence.

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    Fix missing gthr-default.h issue on separate libstdc++ configure
        * acinclude.m4: Define glibcxx_thread_h.
        * include/Makefile.am: Use glibcxx_thread_h.
        * Makefile.in: Regenerate.
        * configure: Regenerate.
        * doc/Makefile.in: Regenerate.
        * include/Makefile.in: Regenerate.
        * libsupc++/Makefile.in: Regenerate.
        * po/Makefile.in: Regenerate.
        * python/Makefile.in: Regenerate.
        * src/Makefile.in: Regenerate.
        * src/c++11/Makefile.in: Regenerate.
        * src/c++98/Makefile.in: Regenerate.
        * testsuite/Makefile.in: Regenerate.

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Move my ChangeLog entry to correct place.

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* es.po: Update.

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PR c++/54858
* tree.c (cp_tree_equal): Handle FIELD_DECL.

* g++.dg/template/pr54858.C: New test.

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PR target/54854
* doc/invoke.texi (AVR Options): Deprecate -mshort-calls.

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2012-10-08  Terry Guo  <terry.guo@arm.com>

        Backported from mainline
        2012-09-19  Terry Guo  <terry.guo@arm.com>

        * lib/gcc-dg.exp (dg_runtest_extra_prunes): New variable to define
        extra prune rules that will be applied to all tests in a .exp file.
        (gcc-dg-prune): Use rules defined by the above variable.
        * gcc.target/arm/arm.exp (dg_runtest_extra_prunes): Skip all the
        harmless warnings on architecture switch conflict.

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* config.host (*-*-openbsd*): Add t-eh-dw2-dip to tmake_file.
* unwind-dw2-fde-dip.c: Don't include <elf.h> on OpenBSD.
(USE_PT_GNU_EH_FRAME): Define for OpenBSD.
(ElfW): Likewise.

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Fix date of ChangeLog entry for

* config.gcc (*-*-openbsd4.[3-9]|*-*-openbsd[5-9]*): Set
default_use_cxa_atexit to yes.

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* config.gcc (*-*-openbsd4.[3-9]|*-*-openbsd[5-9]*): Set
default_use_cxa_atexit to yes.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192147 138bc75d-0d04-0410-961f-82ee72b054a4

* config/pa/pa.md: Adjust unamed HImode add insn pattern.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192144 138bc75d-0d04-0410-961f-82ee72b054a4

PR tree-optimization/33763
* tree-inline.c (expand_call_inline): Silently ignore always_inline
attribute for redefined extern inline functions.

* c-c++-common/pr33763.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192121 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

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Daily bump.

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Fix SSE and YMM state support check logic for -march=native

Backported from mainline
*  config/i386/driver-i386.c (host_detect_local_cpu): Fix logic
in SSE and YMM state support check for -march=native.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192045 138bc75d-0d04-0410-961f-82ee72b054a4

PR c++/54777
* semantics.c (cxx_eval_constant_expression) <case COMPOUND_EXPR>: If
not ignoring the second operand, pass the original second operand
and not one with stripped nops to cxx_eval_constant_expression.

* g++.dg/cpp0x/constexpr-ref4.C: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192037 138bc75d-0d04-0410-961f-82ee72b054a4

libgo: Update to Go 1.0.3.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192024 138bc75d-0d04-0410-961f-82ee72b054a4

compiler: Fix a, b, c := b, a, 1 when a and b already exist.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192023 138bc75d-0d04-0410-961f-82ee72b054a4

PR debug/53135
* dwarf2out.c (value_format): Use block4 for dw_val_class_loc
when needed.

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Daily bump.

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compiler: Fix a couple of type reflection strings.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192015 138bc75d-0d04-0410-961f-82ee72b054a4

compiler: Fix parse of (<- chan <- chan <- int)(x).

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192012 138bc75d-0d04-0410-961f-82ee72b054a4

Add a blank line in ChangeLog

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192010 138bc75d-0d04-0410-961f-82ee72b054a4

Document -mprefer-avx128

Backported from mainline
PR target/54785
* doc/invoke.texi: Document -mprefer-avx128.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192008 138bc75d-0d04-0410-961f-82ee72b054a4

Check SSE and YMM state support for -march=native

Backported from mainline

PR target/54741
*  config/i386/driver-i386.c (XCR_XFEATURE_ENABLED_MASK): New.
(XSTATE_FP): Likewise.
(XSTATE_SSE): Likewise.
(XSTATE_YMM): Likewise.
(host_detect_local_cpu): Disable AVX, AVX2, FMA, FMA4 and XOP if
SSE and YMM states aren't supported.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192003 138bc75d-0d04-0410-961f-82ee72b054a4

* gcc-interfaces/decl.c (elaborate_expression_1): Use the variable for
bounds of loop iteraration scheme only for locally defined subtypes.

* gcc-interface/trans.c (build_return_expr): Apply the NRV optimization
only for BLKmode.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@191972 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

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2012-10-01  Tom de Vries  <tom@codesourcery.com>

* var-tracking.c (set_dv_changed): Add an 'inline' function specifier to
the prototype.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@191916 138bc75d-0d04-0410-961f-82ee72b054a4

2012-10-01  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

PR target/54746
* config/s390/s390.c (s390_option_override): Add missing break.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@191888 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

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PR target/54083
* gcc.dg/torture/pr53922.c: Skip on 32-bit hppa-*-hpux*.

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Daily bump.

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2012-09-29  Andreas Tobler  <andreast@fgznet.ch>

Backport from mainline
2012-09-29  Andreas Tobler  <andreast@fgznet.ch>

* config.gcc: Replace 'host' with 'target' when configuring for
powerpc64*-*-freebsd.

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Daily bump.

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compiler: Fix handling of omitted expression in switch.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@191843 138bc75d-0d04-0410-961f-82ee72b054a4

runtime: Better detection of memory allocation request overflow.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@191840 138bc75d-0d04-0410-961f-82ee72b054a4

2012-09-28  Meador Inge  <meadori@codesourcery.com>

Backport from mainline
2012-09-27  Meador Inge  <meadori@codesourcery.com>

* gcc-ar.c (main): Handle the returning of the sub-process error
code correctly.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@191836 138bc75d-0d04-0410-961f-82ee72b054a4

Backport from 2012-09-28 trunk r191821.
* config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@191822 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

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PR target/54703
* simplify-rtx.c (simplify_binary_operation_1): Perform
(x - (x & y)) -> (x & ~y) optimization only for integral
modes.

* gcc.target/i386/pr54703.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@191802 138bc75d-0d04-0410-961f-82ee72b054a4

compiler: Better error for missing comma in composite literal.

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Daily bump.

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* sv.po: Update.

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* sv.po: Update.

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Daily bump.

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* vi.po: Update.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@191710 138bc75d-0d04-0410-961f-82ee72b054a4

* be.po, da.po, de.po, el.po, es.po, fi.po, fr.po, hr.po, id.po,
ja.po, nl.po, ru.po, sr.po, sv.po, tr.po, vi.po, zh_CN.po,
zh_TW.po: Update.

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Daily bump.

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compiler: Better warning for switch on non-comparable type.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@191684 138bc75d-0d04-0410-961f-82ee72b054a4

Backport from mainline:

2012-07-24  Janis Johnson  <janisjo@codesourcery.com>
* lib/gcc-dg.exp (process-message): Don't ignore errors.

2012-07-25  Janis Johnson  <janisjo@codesourcery.com>
* g++.dg/cpp0x/nullptr21.c: Remove printfs, make self-checking.

2012-07-26  Janis Johnson  <janisjo@codesourcery.com>
* gcc.dg/pr45259.c: Only -fpic depends on fpic support.

2012-09-18  Janis Johnson  <janisjo@codesourcery.com>
* gcc.dg/vect/pr52298.c: Remove "dg-do run".

2012-09-18  Janis Johnson  <janisjo@codesourcery.com>
* lib/target-supports.exp
(check_effective_target_vect_widen_mult_qi_to_hi,
check_effective_target_vect_widen_mult_hi_to_si,
check_effective_target_vect_widen_mult_qi_to_hi_pattern,
check_effective_target_vect_widen_mult_hi_to_si_pattern,
check_effective_target_vect_pack_trunc,
check_effective_target_vect_unpack,
check_effective_target_vect_multiple_sizes): Check arm_neon_ok
instead of arm_none.

2012-09-18  Janis Johnson  <janisjo@codesourcery.com>
* gcc.dg/vect/no-vfa-vect-101.c: Skip a check for an irrelevant
target instead of xfailing it.
* gcc.dg/vect/no-vfa-vect-102.c: Likewise.
* gcc.dg/vect/no-vfa-vect-102a.c: Likewise.
* gcc.dg/vect/no-vfa-vect-37.c: Likewise.
* gcc.dg/vect/no-vfa-vect-79.c: Likewise.
* gcc.dg/vect/vect-104.c: Likewise.
* gcc.dg/vect/vect-outer-1-big-array.c: Likewise.
* gcc.dg/vect/vect-outer-1.c: Likewise.
* gcc.dg/vect/vect-outer-1a-big-array.c: Likewise.
* gcc.dg/vect/vect-outer-1a.c: Likewise.
* gcc.dg/vect/vect-outer-1b-big-array.c: Likewise.
* gcc.dg/vect/vect-outer-1b.c: Likewise.
* gcc.dg/vect/vect-outer-2b.c: Likewise.
* gcc.dg/vect/vect-outer-3a-big-array.c: Likewise.
* gcc.dg/vect/vect-outer-3a.c: Likewise.
* gcc.dg/vect/vect-outer-3b.c: Likewise.
* gcc.dg/vect/vect-reduc-dot-s8b.c: Likewise.

2012-09-18  Janis Johnson  <janisjo@codesourcery.com>
* gcc.dg/vect/fast-math-pr35982.c: Skip check instead of xfail.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@191674 138bc75d-0d04-0410-961f-82ee72b054a4

* tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
TYPE_NONALIASED_COMPONENT flag.
* tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
TYPE_NONALIASED_COMPONENT flag.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@191663 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

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Daily bump.

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Backport from mainline:
2012-09-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

PR testsuite/54007
* gnat.dg/lto15.adb: Require lto.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@191644 138bc75d-0d04-0410-961f-82ee72b054a4

runtime: Reject surrogate pairs in range over string.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@191639 138bc75d-0d04-0410-961f-82ee72b054a4

compiler, runtime: Reject surrogate pair converting int to string.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@191637 138bc75d-0d04-0410-961f-82ee72b054a4