runtime: If O_CLOEXEC is not defined, define it as 0.

From-SVN: r181814

compiler: Define and use backend-independent Location class.

From Sanjoy Das.

* go-location.h: New file.
* go-linemap.cc: New file.
* go-gcc.cc: Change all uses of source_location to Location.
* Make-lang.in (GO_OBJS): Add go/go-linemap.o.
(GO_LINEMAP_H): New variable.
(GO_LEX_H): Use $(GO_LINEMAP_H).
(GO_GOGO_H, GO_TYPES_H, GO_IMPORT_H): Likewise.
(go/go-linemap.o): New target.

Co-Authored-By: Ian Lance Taylor <iant@google.com>
From-SVN: r181813

sync.md (UNSPEC_LDA, UNSPEC_STA): New unspecs.

* config/i386/sync.md (UNSPEC_LDA, UNSPEC_STA): New unspecs.
(movdi_via_fpu): Remove.
(loaddi_via_fpu): New insn pattern.
(storedi_via_fpu): Ditto.
(atomic_loaddi_fpu): Use loaddi_via_fpu and storedi_via_fpu.
(atomic_storedi_fpu): Ditto.
* reg-stack.c (get_true_reg): Handle UNSPEC_LDA.
(subst_stack_regs_pat): Handle UNSPEC_STA.

From-SVN: r181812

i386.md (*floathi<mode>2_i387_with_temp): Do not allocate scratch memory for alternative 0.

* config/i386/i386.md (*floathi<mode>2_i387_with_temp): Do not
allocate scratch memory for alternative 0.

From-SVN: r181811

re PR fortran/40958 (module files too large)

2011-11-29  Thomas Koenig  <tkoenig@gcc.gnu.org>

PR fortran/40958
* module.c (prev_module_line):  New variable.
(prev_module_column):  New variable.
(prev_character):  New variable.
(module_char):  Update the new variables.
(module_unget_char):  New function.
(parse_string):  Use module_unget_char.
(parse_integer):  Likewise.
(parse_name):  Likewise.

From-SVN: r181810

Enable target specific builtins and macros when using the target attribute or pragma on rs6000

From-SVN: r181809

tree-diagnostic (struct loc_t): Rename into struct loc_map_pair.

2011-11-29  Dodji Seketeli  <dodji@redhat.com>

        * tree-diagnostic (struct loc_t): Rename into struct loc_map_pair.
        (maybe_unwind_expanded_macro_loc): Adjust.

From-SVN: r181808

trans-mem.c (ipa_tm_create_version_alias): Mangle new_decl if DECL_ONE_ONLY.

2011-11-21  David Edelsohn  <dje.gcc@gmail.com>
            Aldy Hernandez  <aldyh@redhat.com>

        * trans-mem.c (ipa_tm_create_version_alias): Mangle new_decl
        if DECL_ONE_ONLY.
        (ipa_tm_create_version): Same.

Co-Authored-By: Aldy Hernandez <aldyh@redhat.com>
From-SVN: r181807

haifa-sched.c (recompute_todo_spec): Simplify and correct the code checking for a clobber of a condition register...

* haifa-sched.c (recompute_todo_spec): Simplify and correct the
code checking for a clobber of a condition register when deciding
whether to predicate.

From-SVN: r181806

config.host (tic6x-*-uclinux): Append to extra_parts.

* config.host (tic6x-*-uclinux): Append to extra_parts.  Fix
formatting.

From-SVN: r181805

Use complex floating-point constant in CDBL.

2011-11-29  Yufeng Zhang  <yufeng.zhang@arm.com>

Use complex floating-point constant in CDBL.

* gcc.dg/compat/compat-common.h (CDBL): Replace 1i with 1.0i.

From-SVN: r181804

gimple.c (gimple_call_set_cannot_inline): Move from gimple.h.

* gimple.c (gimple_call_set_cannot_inline): Move from gimple.h.
  Update field call_stmt_cannot_inline_p from call graph edge, if
  needed.
  * gimple.h (gimple_call_set_cannot_inline): Move to gimple.c.

From-SVN: r181803

arm.md (arm_movdi): Update NEG_POOL_RANGE.

* config/arm/arm.md (arm_movdi): Update NEG_POOL_RANGE.
  (movdf_soft_insn): Likewise.

* config/arm/fpa.md (thumb2_movdf_fpa): Likewise.

* config/arm/neon.md (neon_mov<mode>): Likewise.

* config/arm/vfp.md (movdi_vfp): Likewise.
  (movdi_vfp_cortexa8): Likewise.
  (movdf_vfp): Likewise.

From-SVN: r181802

re PR fortran/51306 (MOVE_ALLOC: Make more middle end friendlier)

2011-11-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51306
        PR fortran/48700
        * check.c (gfc_check_move_alloc): Make sure that from/to
        are both polymorphic or neither.
        * trans-intrinsic.c (conv_intrinsic_move_alloc): Cleanup,
        generate inline code.

2011-11-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51306
        PR fortran/48700
        * gfortran.dg/move_alloc_5.f90: Add dg-error.
        * gfortran.dg/select_type_23.f03: Add dg-error.
        * gfortran.dg/move_alloc_6.f90: New.
        * gfortran.dg/move_alloc_7.f90: New.

From-SVN: r181801

re PR middle-end/50074 (gcc.dg/sibcall-6.c execution test on x86_64 with -fPIC)

PR middle-end/50074
* expr.c (expand_expr_addr_expr_1): Don't call force_operand for
EXPAND_SUM modifier.

From-SVN: r181800

hashtable.h (_Hashtable<>::_M_rehash): Remove code useless now that the hashtable implementation put the hash code in...

2011-11-29  François Dumont <fdumont@gcc.gnu.org>

* include/bits/hashtable.h (_Hashtable<>::_M_rehash): Remove code
useless now that the hashtable implementation put the hash code in
cache if the hash functor throws.
* testsuite/23_containers/unordered_set/erase/1.cc: Enhance test by
checking also distance between begin and end iterators to validate
underlying data model.
* testsuite/23_containers/unordered_multiset/erase/1.cc: Likewise.
* testsuire/23_containers/unordered_map/erase/1.cc: Likewise.
* testsuite/23_containers/unordered_multimap/erase/1.cc: Likewise.
* testsuite/23_containers/unordered_multiset/erase/2.cc: New.
* testsuite/23_containers/unordered_multimap/erase/2.cc: New.

From-SVN: r181799

Implement predefined error interface.

From-SVN: r181798

re PR tree-optimization/51301 (Compiler ICE in vect_is_simple_use_1)

        PR tree-optimization/51301
        * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
        that the last statement doesn't convert to a bigger type than the
        original type of the computation.

From-SVN: r181797

rs6000: Streamline boolval output for compare-and-swap.

        * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
        Handle overlap between retval and oldval.  Always compute boolval
        from CR0 EQ value.

From-SVN: r181796

rs6000.c (rs6000_expand_atomic_compare_and_swap): Get new pseudo for target after convert_modes.

        * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap): Get
        new pseudo for target after convert_modes.
        (rs6000_expand_atomic_exchange, rs6000_expand_atomic_op): Likewise.

From-SVN: r181795

* libgomp.h (enum memmodel): New.

From-SVN: r181794

Daily bump.

From-SVN: r181793

cdce3.C: Use dg-additional-options.

* g++.dg/cdce3.C: Use dg-additional-options.

From-SVN: r181789

re PR debug/50317 (missing DW_OP_GNU_implicit_pointer)

PR debug/50317
* tree-ssa.c (execute_update_addresses_taken): Remove
var ={v} {CLOBBER} stmts instead of rewriting them into
var_N ={v} {CLOBBER}.

From-SVN: r181788

re PR middle-end/50907 (EDGE_CROSSING incorrectly set across same section with -freorder-blocks-and-partition -fPIC -fprofile-use)

PR middle-end/50907
* function.c (convert_jumps_to_returns): When redirecting an edge
succ to EXIT_BLOCK_PTR, clear EDGE_CROSSING flag.

* gcc.dg/tree-prof/pr50907.c: New test.

From-SVN: r181787

re PR tree-optimization/50078 (combine wrong code: volatile accesses optimized out)

PR tree-optimization/50078
* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Copy over
TREE_THIS_VOLATILE also from the old to new lhs resp. rhs.

* gcc.dg/pr50078.c: New test.

From-SVN: r181786

re PR tree-optimization/50682 (ICE: SIGSEGV in main_block_label with -O2 -fnon-call-exceptions -ftracer)

PR tree-optimization/50682
* tree-eh.c (maybe_remove_unreachable_handlers): New function.
* tree-flow.h (maybe_remove_unreachable_handlers): New prototype.
* tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call it.

* g++.dg/opt/pr50682.C: New test.

From-SVN: r181785

c-family
* c-cpp-builtin.c (cpp_atomic_builtins):New.  Emit all atomic
predefines in one place.  Add LOCK_FREE predefines.
(c_cpp_builtins): Move Legacy HAVE_SYNC predefines to
new func.

libstdc++-v3
* include/bits/atomic_base.h (ATOMIC_*_LOCK_FREE): Use new cpp
predefined macros.
* testsuite/29_atomics/headers/atomic/macros.cc: Add BOOL and POINTER
macro checks.  Check for expected compile time values.

From-SVN: r181784

Cleanup rs6000/t-ppccomm configurations (PR other/51022)

PR other/51022
* config/rs6000/t-savresfgpr: New file.
* config/rs6000/t-ppccomm (LIB2ADD_ST): Remove all but
$(srcdir)/config/rs6000/eabi.S.
* config/rs6000/t-ppccomm-ldbl: Remove.
* config.host (powerpc-*-freebsd*): Add rs6000/t-savresfgpr to
tmake_file.
(powerpc-*-eabispe*): Likewise.
(powerpc-*-eabi*): Likewise.
(powerpc-*-linux*, powerpc64-*-linux*): Likewise.
(powerpc-wrs-vxworks, powerpc-wrs-vxworksae): Add rs6000/t-ppccomm
to tmake_file, remove rs6000/t-ppccomm-ldbl.
(powerpc-*-eabisimaltivec*): Remove rs6000/t-ppccomm-ldbl from
tmake_file.
(powerpc-*-eabisim*): Likewise.
(powerpc-*-elf*): Likewise.
(powerpc-*-eabialtivec*): Likewise.
(powerpc-xilinx-eabi*): Likewise.
(powerpc-*-rtems*): Likewise.
(powerpcle-*-elf*): Likewise.
(powerpcle-*-eabisim*): Likewise.
(powerpcle-*-eabi*): Likewise.

From-SVN: r181782

Really commit the test case:

2011-11-28  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51308
        * gfortran.dg/iso_c_binding_compiler_4.f90: New.

From-SVN: r181779

re PR fortran/51308 (PARAMETER attribute conflicts with SAVE attribute)

2011-11-28  Tobias Burnus  <burnus@net-b.de>
            Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/51308
        * symbol.c (check_conflict): Ignore BIND(C) + PARAMETER
        conflicts for ISO_C_BINDING variables.
        (gen_special_c_interop_ptr): Don't mark c_ptr_null/c_funptr_null
        as SAVE.

2011-11-28  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51308
        * gfortran.dg/iso_c_binding_compiler_4.f90: New.

Co-Authored-By: Steven G. Kargl <kargl@gcc.gnu.org>
From-SVN: r181778

re PR libstdc++/51288 ([C++0x] get_money implementation is missing the sentry object (does not skip leading whitespace))

2011-11-28  Paolo Carlini  <paolo.carlini@oracle.com>

PR libstdc++/51288
* include/std/iomanip (get_money, put_money): Use sentry.
* testsuite/27_io/manipulators/extended/get_money/char/51288.cc: New.
* testsuite/27_io/manipulators/extended/get_money/wchar_t/51288.cc:
Likewise.
* testsuite/27_io/manipulators/extended/put_money/char/51288.cc:
Likewise.
* testsuite/27_io/manipulators/extended/put_money/wchar_t/51288.cc:
Likewise.

From-SVN: r181775

extend.texi (AVR Built-in Functions): Add documentation for __builtin_avr_map8 and __builtin_avr_map16.

* doc/extend.texi (AVR Built-in Functions): Add documentation for
__builtin_avr_map8 and __builtin_avr_map16.
* config/avr/avr.md: Document new %t and %T asm output codes.
(define_c_enum "unspec"): Add UNSPEC_MAP_BITS.
(adjust_len): Add map_bits.
(map_bitsqi, map_bitshi): New insns.
* config/avr/avr-protos.h (avr_out_map_bits): New.
* config/avr/avr-protos.c (print_operand): Implement %t and %T.
(adjust_insn_length): Handle ADJUST_LEN_MAP_BITS.
(avr_double_int_push_digit): New function.
(avr_map, avr_revert_map, avr_swap_map, avr_id_map): New functions.
(avr_sig_map, avr_map_hamming_byte): New functions.
(avr_out_swap_bits, avr_out_revert_bits, avr_move_bits,
avr_out_map_bits): New functions.
(enum avr_builtin_id): Add AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
(avr_init_builtins): Populate __builtin_avr_map8, __builtin_avr_map16.
(bdesc_2arg): Add __builtin_avr_map8, __builtin_avr_map16 ...
(avr_expand_builtin): ...and expand them.
* config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
__BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.

From-SVN: r181773

runtime: Multiplex goroutines onto OS threads.

From-SVN: r181772

generic-morestack.c (__splitstack_find): Check for NULL old stack value.

* generic-morestack.c (__splitstack_find): Check for NULL old
stack value.
(__splitstack_resetcontext): New function.
(__splitstack_releasecontext): New function.
* libgcc-std.ver.in: Add new functions to GCC_4.7.0.

From-SVN: r181771

Daily bump.

From-SVN: r181770

trans-mem-2_0.c: Add dg-lto-do link.

gcc/testsuite:
2011-11-27  Aldy Hernandez  <aldyh@redhat.com>
    Iain Sandoe  <iains@gcc.gnu.org>

* gcc.dg/lto/trans-mem-2_0.c: Add dg-lto-do link.  Add dummy
functions for _ITM_registerTMCloneTable, _ITM_deregisterTMCloneTable.
* gcc.dg/lto/trans-mem-1_0.c: Add dg-lto-do link.
* gcc.dg/lto/trans-mem-1_1.c:  Add dummy functions for
_ITM_registerTMCloneTable, _ITM_deregisterTMCloneTable.

Co-Authored-By: Iain Sandoe <iains@gcc.gnu.org>
From-SVN: r181766

darwin-crt-tm.c: Correct comments, use correct licence.

libgcc:

* config/darwin-crt-tm.c: Correct comments, use correct licence.

From-SVN: r181765

darwin-crt-tm.c: Remove dummy _ITM_ functions.

libgcc:

* config/darwin-crt-tm.c: Remove dummy _ITM_ functions.

From-SVN: r181764

re PR target/51278 (gcc.target/mips/octeon-baddu-1.c fails on the trunk)

gcc/
PR target/51278
* config/mips/mips.c (mips_rtx_costs): Handle baddu.

From-SVN: r181763

mips.c (mips16_unextended_reference_p): Test for BLKmode.

gcc/
* config/mips/mips.c (mips16_unextended_reference_p): Test for BLKmode.

From-SVN: r181762

mips-protos.h (mips_emit_binary): Declare.

gcc/
* config/mips/mips-protos.h (mips_emit_binary): Declare.
* config/mips/mips.c (mips_emit_binary): Make global.
(mips_set_mips16_mode): Turn off -mfix-r4000 in MIPS16 mode.
(mips_conditional_register_usage): Don't treat LO and HI as
register operands in MIPS16 mode.
(mips_mulsidi3_gen_fn): Use {u,}mulsidi3_{32,64}bit_mips16
for MIPS16 code.
* config/mips/predicates.md (muldiv_target_operand): New predicate.
(move_operand): Allow hilo_operand.
* config/mips/mips.md (mul<mode>3): Explicitly specify LO as the
target of MIPS16 multiplies, then move it into the target register.
(mul<mode>3_internal, *macc2, *msac2): Use muldiv_target_operand.
(<u>mulsidi3_32bit_mips16): New expander.
(<u>mulsidi3_32bit): Use muldiv_target_operand.
(<u>mulsidi3_32bit_r4000): Disable for ISA_HAS_DSP.
(<u>mulsidi3_64bit): Require !TARGET_MIPS16.  Split into
<u>mulsidi3_64bit_split.
(<u>mulsidi3_64bit_mips16): New expander.
(<u>mulsidi3_64bit_split): Likewise, using expansions from
two previous define_splits.
(<u>mulsidi3_64bit_hilo, *muls<u>_di, <u>msubsidi4): Use
muldiv_target_operand.
(<su>mulsi3_highpart): Use <su>mulsi3_highpart_split for MIPS16 code.
(<su>mulsi3_highpart_internal): Require !TARGET_MIPS16.
Split into <su>mulsi3_highpart_split.
(<su>mulsi3_highpart_split): New expander.
(<su>muldi3_highpart): Turn into a define_expand.
Use <su>muldi3_highpart_split for MIPS16 code.
(<su>muldi3_highpart_internal): Renamed from <su>muldi3_highpart.
Require !TARGET_MIPS16.  Split into <su>muldi3_highpart_split.
(<su>muldi3_highpart_split): New expander.
(<u>mulditi3): Explicitly specify LO as the target of MIPS16
multiplies, then move it into the target register.
(<u>mulditi3_internal, <u>maddsidi4): Use muldiv_target_operand.
(divmod<mode>4, udivmod<mode>4): Turn into define_expands.
Use <u>divmod<mode>4_split for MIPS16 code, then explicitly
move LO into operand 0.
(divmod<mode>4_internal, udivmod<mode>4_internal): Renamed
from <u>divmod<mode>4.  Use muldiv_target_operand.
Require !TARGET_MIPS16.  Split into <u>divmod<mode>4_split.
(<u>divmod<mode>4_split): New expander.
(<u>divmod<GPR:mode>4_hilo_<HILO:mode>): Use muldiv_target_operand.
(mfhi<GPR:mode>_<HILO:mode>): Use hilo_operand.

gcc/testsuite/
* gcc.target/mips/mult-2.c, gcc.target/mips/mult-3.c,
gcc.target/mips/mult-4.c, gcc.target/mips/mult-5.c,
gcc.target/mips/mult-6.c, gcc.target/mips/mult-7.c,
gcc.target/mips/mult-8.c, gcc.target/mips/mult-9.c,
gcc.target/mips/mult-10.c, gcc.target/mips/mult-11.c,
gcc.target/mips/mult-12.c, gcc.target/mips/mult-13.c,
gcc.target/mips/mult-14.c, gcc.target/mips/mult-15.c,
gcc.target/mips/mult-16.c, gcc.target/mips/mult-17.c,
gcc.target/mips/mult-18.c, gcc.target/mips/mult-19.c,
gcc.target/mips/div-1.c, gcc.target/mips/div-2.c,
gcc.target/mips/div-3.c, gcc.target/mips/div-4.c,
gcc.target/mips/div-5.c, gcc.target/mips/div-6.c,
gcc.target/mips/div-7.c, gcc.target/mips/div-8.c,
gcc.target/mips/div-9.c, gcc.target/mips/div-10.c,
gcc.target/mips/div-11.c, gcc.target/mips/div-12.c: New tests.
* gcc.target/mips/fix-r4000-1.c (foo, bar): Add NOMIPS16.
* gcc.target/mips/fix-r4000-2.c (foo): Likewise.
* gcc.target/mips/fix-r4000-3.c (foo): Likewise.
* gcc.target/mips/fix-r4000-4.c (foo): Likewise.
* gcc.target/mips/fix-r4000-5.c (foo): Likewise.
* gcc.target/mips/fix-r4000-6.c (foo): Likewise.
* gcc.target/mips/fix-r4000-7.c (foo): Likewise.
* gcc.target/mips/fix-r4000-8.c (foo): Likewise.
* gcc.target/mips/fix-r4000-9.c (foo): Likewise.
* gcc.target/mips/fix-r4000-10.c (foo): Likewise.
* gcc.target/mips/fix-r4000-11.c (foo): Likewise.
* gcc.target/mips/fix-r4000-12.c (foo): Likewise.

From-SVN: r181761

hard-reg-set.h (target_hard_regs): Add x_accessible_reg_set and x_operand_reg_set.

gcc/
* hard-reg-set.h (target_hard_regs): Add x_accessible_reg_set
and x_operand_reg_set.
(accessible_reg_set, operand_reg_set): New macros.
* reginfo.c (init_reg_sets): Initialize accessible_reg_set and
operand_reg_set.
(saved_accessible_reg_set, saved_operand_reg_set): New variables.
(save_register_info): Save them.
(restore_register_info): Restore them.
(init_reg_sets_1): Limit operand_reg_set to accessible_reg_set.
Remove NO_REGS registers from operand_reg_set.  Treat members
of operand_reg_set as fixed.
* recog.c (general_operand): Check operand_reg_set rather than
NO_REGS.
(register_operand, nonmemory_operand): Likewise.
* varasm.c (make_decl_rtl): Always use DECL_MODE as the mode of
register variables.  Check accessible_reg_set and operand_reg_set.
* config/mips/mips.c (mips_conditional_register_usage): Remove
inaccessible register from accessible_reg_set, rather than just
making them fixed.

gcc/testsuite/
* gcc.target/mips/mips.exp (mips-dg-options): Make -mno-dsp
imply -mno-dspr2.
* gcc.target/mips/no-dsp-1.c: New test.
* gcc.target/mips/soft-float-1.c: Likewise.

From-SVN: r181760

* config/pa/pa-linux.h (TARGET_GAS): Remove comment.

From-SVN: r181759

using.xml (Prerequisites): Refer to x86 instead of i386.

* doc/xml/manual/using.xml (Prerequisites): Refer to x86 instead
of i386.

From-SVN: r181758

run_doxygen (problematic): Change Linux reference to GNU/Linux.

* scripts/run_doxygen (problematic): Change Linux reference to
GNU/Linux.

From-SVN: r181757

abi.xml (Prerequisites): Refer to GNU/Linux.

* doc/xml/manual/abi.xml (Prerequisites): Refer to GNU/Linux.
Fix reference to GCC.

From-SVN: r181756

arm: Install __sync libfuncs for Linux.

        * config/arm/arm.c (arm_init_libfuncs): Call init_sync_libfuncs
        for Linux.

From-SVN: r181755

Daily bump.

From-SVN: r181754

Fix expand_atomic_fetch_op wrt unused_result.

        * optabs.c (expand_atomic_fetch_op): Always return result.

From-SVN: r181750

Fix init_sync_libfuncs_1 iteration.

        * optabs.c (init_sync_libfuncs_1): Include max in iteration.

From-SVN: r181749

omp-low: Assume anything aligned to BIGGEST_ALIGNMENT is aligned.

        * omp-low.c (expand_omp_atomic): Assume anything aligned to
        BIGGEST_ALIGNMENT is aligned.

From-SVN: r181748

m68k: Implement CAS and TAS patterns.

        * config/m68k/m68k.md (UNSPECV_CAS_1, UNSPECV_CAS_2): New.
        (UNSPECV_TAS_1, UNSPECV_TAS_2): New.
        (I): New mode iterator.
        (xz): New mode attribute.
        * config/m68k/sync.md: New file.

From-SVN: r181747

m68k-linux: Implement atomic operations via syscall.

libgcc/
* config/m68k/linux.h (TARGET_INIT_LIBFUNCS): New.
* config/m68k/m68k.c (m68k_init_sync_libfuncs): New.
gcc/
* config/m68k/linux-atomic.c: New file.
* config/m68k/t-linux: New file.
* config.host (m68k-uclinux, m68k-linux): Use it.

From-SVN: r181746

re PR gcov-profile/51297 (Many gcov tests FAIL on Tru64, Solaris 8 and 9)

PR gcov-profile/51297
* gcov.c (main): Allocate initial names and sources arrays.
(find_source): Don't check for null name or source arrays here.

From-SVN: r181745

crtstuff: adjust tm clones for no attribute hidden

        * crtstuff.c (__TMC_LIST__): Mark used not unused.
        (__TMC_END__): Only declare if hidden is available; in the definition,
        if hidden is unavailable add a null record.
        (deregister_tm_clones, register_tm_clones): New.
        (__do_global_dtors_aux, frame_dummy): Use them.
        (__do_global_dtors, __do_global_ctors_1): Likewise.

From-SVN: r181744

re PR rtl-optimization/49912 (ICE from -freorder-blocks-and-partition : verify_flow_info failed)

PR rtl-optimization/49912
* cfgrtl.c (rtl_verify_flow_info_1): Ignore also EDGE_PRESERVE bit
when counting n_branch.

* g++.dg/other/pr49912.C: New test.

From-SVN: r181743

fast-math-vect-call-2.c: Require vect_double effective target.

* gcc.dg/vect/fast-math-vect-call-2.c: Require vect_double
effective target.
* gcc.dg/vect/fast-math-bb-slp-call-2.c: Ditto.

From-SVN: r181742

fast-math-vect-call-2.c: Require vect_double effective target.

* gcc.dg/vect/fast-math-vect-call-2.c: Require vect_double
effective target.

From-SVN: r181741

re PR libstdc++/51296 (Several 30_threads tests FAIL on Tru64 UNIX)

PR libstdc++/51296
* testsuite/30_threads/thread/native_handle/typesizes.cc: Do not run
on alpha*-*-osf*.
* testsuite/30_threads/future/cons/constexpr.cc: Disable debug
symbols.
* testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.

From-SVN: r181740

sync.md (movdi_via_fpu): Add %Z insn suffixes.

* config/i386/sync.md (movdi_via_fpu): Add %Z insn suffixes.

From-SVN: r181739

re PR middle-end/50074 (gcc.dg/sibcall-6.c execution test on x86_64 with -fPIC)

        PR middle-end/50074
        * calls.c (mem_overlaps_already_clobbered_arg_p):
        Return false if no outgoing arguments have been stored so far.

From-SVN: r181738

Daily bump.

From-SVN: r181735

trans-array.c (set_loop_bounds): Remove dead conditions.

* trans-array.c (set_loop_bounds): Remove dead conditions.

From-SVN: r181731

re PR fortran/51250 (Bug with SUM(,dim,mask))

fortran/
PR fortran/51250
PR fortran/43829
* trans-array.c (gfc_trans_create_temp_array): Get dimension from
the right gfc_ss struct.

testsuite/
PR fortran/51250
PR fortran/43829
* gfortran.dg/inline_sum_3.f90: New test.

From-SVN: r181730

re PR testsuite/51258 (64-bit gcc.dg/atomic-compare-exchange-5.c link failure on 32-bit Solaris/x86)

PR testsuite/51258
* lib/target-supports.exp
(check_effective_target_sync_long_long): Also supported on 32bit
x86 targets.  Add comment about required dg-options.
Add alpha*-*-* targets.
(check_effective_target_sync_long_long_runtime): Ditto.

* gcc.dg/atomic-op-4.c (dg-options): Add -march=pentium for
32bit x86 targets.
* gcc.dg/atomic-compare-exchange-4.c: Ditto.
* gcc.dg/atomic-exchange-4.c: Ditto.
* gcc.dg/atomic-load-4.c: Ditto.
* gcc.dg/atomic-store-4.c: Ditto.
* gcc.dg/di-longlong64-sync-1.c: Ditto.
* gcc.dg/di-sync-multithread.c: Ditto.
* gcc.dg/simulate-thread/atomic-load-longlong.c: Ditto.
* gcc.dg/simulate-thread/atomic-other-longlong.c: Ditto.

From-SVN: r181728

re PR testsuite/51258 (64-bit gcc.dg/atomic-compare-exchange-5.c link failure on 32-bit Solaris/x86)

PR testsuite/51258
* lib/target-supports.exp
(check_effective_target_sync_int_128_runtime): New procedure.
(check_effective_target_sync_long_long_runtime): Ditto.
(check_effective_target_sync_long_long): Add arm*-*-*.
(check_effective_target_sync_longlong): Remove.

* gcc.dg/atomic-op-5.c: Require sync_int_128_runtime effective target.
* gcc.dg/atomic-compare-exchange-5.c: Ditto.
* gcc.dg/atomic-exchange-5.c: Ditto.
* gcc.dg/atomic-load-5.c: Ditto.
* gcc.dg/atomic-store-5.c: Ditto.
* gcc.dg/simulate-thread/atomic-load-int128.c: Ditto.
* gcc.dg/simulate-thread/atomic-other-int128.c: Ditto.
* gcc.dg/atomic-op-4.c: Require sync_long_long_runtime
effective target.
* gcc.dg/atomic-compare-exchange-4.c: Ditto.
* gcc.dg/atomic-exchange-4.c: Ditto.
* gcc.dg/atomic-load-4.c: Ditto.
* gcc.dg/atomic-store-4.c: Ditto.
* gcc.dg/di-longlong64-sync-1.c: Ditto.
* gcc.dg/di-sync-multithread.c: Ditto.
* gcc.dg/simulate-thread/atomic-load-longlong.c: Ditto.
* gcc.dg/simulate-thread/atomic-other-longlong.c: Ditto.

From-SVN: r181727

re PR fortran/50408 (ICE in transfer_expr)

2011-11-25  Tobias Burnus  <burnus@net-b.de>

        PR fortran/50408
        * trans-decl.c (gfc_get_module_backend_decl): Also copy
        ts.u.derived from the gsym if the ts.type is BT_CLASS.
        (gfc_get_extern_function_decl): Copy also the backend_decl
        for the symbol's ts.u.{derived,cl} from the gsym.
        * trans-types.c (gfc_copy_dt_decls_ifequal): Directly
        return if "from" and "to" are the same.

2011-11-25  Tobias Burnus  <burnus@net-b.de>

        PR fortran/50408
        * gfortran.dg/whole_file_35.f90: New.

From-SVN: r181725

re PR fortran/51302 (ICE with VOLATILE loop variable)

2011-11-25  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51302
        * trans-stmt.c (gfc_trans_simple_do): Add a fold_convert.

2011-11-25  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51302
        * gfortran.dg/volatile13.f90: New.

From-SVN: r181724

Add myself in write-after-approval list

From-SVN: r181723

avr.c (print_operand): Support code = 'i' for CONST_INT.

* config/avr/avr.c (print_operand): Support code = 'i' for CONST_INT.

From-SVN: r181722

re PR other/51011 (FAIL: gcc.dg/atomic-generic.c (test for excess errors))

2011-11-24  Andrew MacLeod  <amacleod@redhat.com>

PR other/51011
* tree.h (is_builtin_name): No longer external.
* builtins.c (is_builtin_name): Make static.
* varasm.c (incorporeal_function_p): __sync and __atomic external calls
are not incorporeal and may need asm label processing.

From-SVN: r181721

re PR target/50566 ([avr]: Add support for better logging similar to -mdeb)

PR target/50566
* config/avr/avr-protos.h (avr_log_t): Add field .builtin.
* config/avr/avr-log.c (avr_log_set_avr_log): Initialize it.
Don't bypass TARGET_ALL_DEBUG.  Print self-info with ?.
(avr_log_vadump): Support %D and %X to print double_int.
(avr_double_int_pop_digit): New static function.
(avr_dump_double_int_hex): New static function.

From-SVN: r181718

Fix ChangeLog typo for last commit.

From-SVN: r181715

re PR target/51287 (252.eon compfail with -march=atom)

       PR target/51287
       * i386.c (distance_non_agu_define): Fix insn attr check.

From-SVN: r181713

re PR c/51256 (ICE with invalid parameter for __atomic builtin)

2011-11-24  Andrew MacLeod  <amacleod@redhat.com>

PR c/51256
* c-common.c (get_atomic_generic_size): Check for various error
conditions
(resolve_overloaded_atomic_exchange,
resolve_overloaded_atomic_compare_exchange,
resolve_overloaded_atomic_load, resolve_overloaded_atomic_store): Return
error_mark_node for error conditions.
* gcc.dg/atomic-pr51256.c: New.  Test error conditions.

From-SVN: r181709

re PR c++/51227 ([c++0x] ICE with invalid parameter in lambda expression)

/cp
2011-11-24  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/51227
* pt.c (instantiate_class_template_1): If lambda_function (type)
is NULL_TREE do not instantiate_decl.

/testsuite
2011-11-24  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/51227
* g++.dg/cpp0x/lambda/lambda-ice5.C: New.

From-SVN: r181707

Daily bump.

From-SVN: r181706

optab.c (maybe_emit_atomic_exchange): New.

2011-11-24  Andrew MacLeod  <amacleod@redhat.com>

* optab.c (maybe_emit_atomic_exchange): New.  Try to emit an
atomic_exchange pattern.
(maybe_emit_sync_lock_test_and_set): New.  Try to emit an exchange
using __sync_lock_test_and_set.
(maybe_emit_compare_and_swap_exchange_loop): New. Try to emit an
exchange using a compare_and_swap loop.
(expand_sync_lock_test_and_set): New.  Expand sync_lock_test_and_set.
(expand_atomic_test_and_set): New.  Expand test_and_set operation.
(expand_atomic_exchange): Use new maybe_emit_* functions.
(expand_atomic_store): Use new maybe_emit_* functions.
* builtins.c (expand_builtin_sync_lock_test_and_set): Call
expand_sync_lock_test_and_set routine.
(expand_builtin_atomic_exchange): Remove parameter from call.
(expand_builtin_atomic_clear): Use atomic_clear pattern if present.
(expand_builtin_atomic_test_and_set): Add target and simply call
expand_atomic_test_and_set.
(expand_builtin): Add target to expand_builtin_atomic_test_and_set.
* expr.h (expand_atomic_exchange): Add parameter.
(expand_sync_lock_test_and_set): New prototype.
(expand_atomic_test_and_set, expand_atomic_clear): New prototypes.

From-SVN: r181702

Revert revision 181357.

gcc/

2011-11-24  H.J. Lu  <hongjiu.lu@intel.com>

PR target/51134
* config/i386/i386.h (processor_costs): Revert revision 181357.
* config/i386/i386.c (cost models): Likewise.
(core_cost): Likewise.
(promote_duplicated_reg): Likewise.
(promote_duplicated_reg_to_size): Likewise.
(processor_target): Likewise.
(expand_set_or_movmem_via_loop_with_iter): Likewise.
(expand_set_or_movmem_via_loop): Likewise.
(emit_strset): Likewise.
(expand_movmem_epilogue): Likewise.
(expand_setmem_epilogue): Likewise.
(expand_movmem_prologue): Likewise.
(expand_setmem_prologue): Likewise.
(expand_constant_movmem_prologue): Likewise.
(expand_constant_setmem_prologue): Likewise.
(decide_alg): Likewise.
(decide_alignment): Likewise.
(ix86_expand_movmem): Likewise.
(ix86_expand_setmem): Likewise.
(ix86_slow_unaligned_access): Likewise.
* config/i386/i386.md (strset): Likewise.
* config/i386/sse.md (vec_dupv4si): Likewise.
(vec_dupv2di): Likewise.

gcc/testsuite/

2011-11-24  H.J. Lu  <hongjiu.lu@intel.com>

PR target/51134
* gcc.target/i386/sw-1.c: Revert revision 181357.

From-SVN: r181701

avr.md (*rotlhi2.15): Set length to 4.

* config/avr/avr.md (*rotlhi2.15): Set length to 4.

From-SVN: r181700

re PR fortran/51218 (Potential optimization bug due to implicit_pure?)

2011-11-24  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51218
        * resolve.c (pure_subroutine): If called subroutine is
        impure, unset implicit_pure.
        (resolve_function): Move impure check to simplify code.

2011-11-24  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51218
        * gfortran.dg/implicit_pure_1.f90: New.

From-SVN: r181698

Fix several atomic tests on 32-bit x86 (PR testsuite/51258)

PR testsuite/51258
* gcc.dg/atomic-compare-exchange-5.c: Add -mcx16 on i?86-*-*.
* gcc.dg/atomic-exchange-5.c: Likewise.
* gcc.dg/atomic-load-5.c: Likewise.
* gcc.dg/atomic-op-5.c: Likewise.
* gcc.dg/atomic-store-5.c: Likewise.
* gcc.dg/simulate-thread/atomic-other-int128.c: Fix typo.

From-SVN: r181697

Fix bootstrap error in s-taprop-tru64.adb

* s-taprop-tru64.adb (Create_Task): Use Unrestricted_Access.

From-SVN: r181696

re PR rtl-optimization/50290 (ICE: in distribute_notes, at combine.c:13282 with -O2 -fwhole-program -fno-tree-loop-optimize -fno-tree-vrp -funroll-loops)

PR rtl-optimization/50290
* gcc.dg/pr50290.c: New test.

From-SVN: r181694

tree-data-ref.c (initialize_data_dependence_relation): Update

        * tree-data-ref.c (initialize_data_dependence_relation): Update
        * comment for the
        self dependence case.
        (compute_self_dependence): Remove.
        * tree-vect-data-refs.c (vect_analyze_data_refs): Remove call to
        compute_self_dependenc.

From-SVN: r181691

re PR c++/51290 (Bogus warning: zero as null pointer constant with static_cast)

/cp
2011-11-24  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/51290
* class.c (build_base_path): For the null pointer check use
nullptr_node instead of integer_zero_node.

/testsuite
2011-11-24  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/51290
* g++.dg/warn/Wzero-as-null-pointer-constant-3.C: New.

From-SVN: r181690

re PR bootstrap/50888 (Bootstrap failure in libjava against latest git glibc)

PR bootstrap/50888
* prims.cc: Don't include ctype.h.
(c_isspace): Define.
(next_property_key, next_property_value): Use it instead
of isspace.

From-SVN: r181685

c-decl.c (warn_if_shadowing): Don't warn if shadowed identifier is from system header.

* c-decl.c (warn_if_shadowing): Don't warn if shadowed
identifier is from system header.

From-SVN: r181684

Daily bump.

From-SVN: r181683

re PR libstdc++/41975 ([C++0x] [DR579] unordered_set::erase performs worse when nearly empty)

2011-11-23  François Dumont <fdumont@gcc.gnu.org>

PR libstdc++/41975
* include/bits/hashtable.h (_Hashtable<>): Major data model
modification to limit performance impact of empty buckets in
erase(iterator) implementation.
* include/bits/hashtable_policy.h (_Hashtable_iterator,
_Hashtable_const_iterator): Remove not used anymore.
* include/bits/hashtable_policy.h (_Prime_rehash_policy): Remove
_M_grow_factor, just use natural evolution of prime numbers. Add
_M_prev_size to know when the number of buckets can be reduced.
* include/bits/unordered_set.h (__unordered_set<>,
__unordered_multiset<>), unordered_map.h (__unordered_map<>,
__unordered_multimap<>): Change default value of cache hash code
template parameter, false for integral types with noexcept hash
functor, true otherwise.
* include/debug/unordered_map, unordered_set: Adapt transformation
from iterator/const_iterator to respectively
local_iterator/const_local_iterator.
* testsuite/performance/23_containers/copy_construct/unordered_set.cc:
New.
* testsuite/23_containers/unordered_set/instantiation_neg.cc: New.
* testsuite/23_containers/unordered_set/hash_policy/rehash.cc: New.
* testsuite/23_containers/unordered_multiset/cons/copy.cc: New.
* testsuite/23_containers/unordered_multiset/erase/1.cc,
24061-multiset.cc: Add checks on the number of bucket elements.
* testsuite/23_containers/unordered_multiset/insert/multiset_range.cc,
multiset_single.cc, multiset_single_move.cc: Likewise.

From-SVN: r181677

re PR target/51261 (-fcompare-debug with memset())

PR target/51261
* config/i386/i386.c (decide_alg): Initialize *dynamic_check
even if !optimize.

* gcc.dg/pr51261.c: New test.

From-SVN: r181676

re PR rtl-optimization/48455 (Huge code size regression for all ARM configurations)

2011-11-23  Vladimir Makarov  <vmakarov@redhat.com>

PR rtl-optimization/48455
* doc/invoke.texi (-fira-region): Document default values.

* flags-types.h (enum ira_region): Add new value
IRA_REGION_AUTODETECT.

* common.opt (fira-region): Set up initial value to
IRA_REGION_AUTODETECT.

* toplev.c (process_options): Set up flag_ira_region depending on
-O options.

* ira.c (ira.c): Remove optimize guard for ira_build.

From-SVN: r181675

lang.c (java_init_options_struct): Disable optimizations which assume a NULL pointer dereference will cause a fault.

* lang.c (java_init_options_struct): Disable optimizations
which assume a NULL pointer dereference will cause a fault.

From-SVN: r181674

[multiple changes]

2011-11-23  Thomas Quinot  <quinot@adacore.com>

* thread.c, s-oscons-tmplt.c: Generate __gnat_pthread_condattr_setup
only on platforms where this is required, as determined by
s-oscons.h.

2011-11-23  Ed Schonberg  <schonberg@adacore.com>

* sem_ch9.adb: No check on entry index if error on index.

2011-11-23  Gary Dismukes  <dismukes@adacore.com>

* sem_ch6.adb (Analyze_Return_Statement): Improve error messages for
return statements nested inside an extended_return_statement.
* gcc-interface/Make-lang.in: Update dependencies.
* gcc-interface/Makefile.in (MISCLIB): Add -lutil for BSD targets.

From-SVN: r181670

mlib-tgt-specific-vxworks.adb: Minor reformatting.

2011-11-23  Thomas Quinot  <quinot@adacore.com>

* mlib-tgt-specific-vxworks.adb: Minor reformatting.

2011-11-23  Thomas Quinot  <quinot@adacore.com>

* Make-generated.in (Sdefault.Target_Name): Set to
$(target_noncanonical) instead of $(target) for consistency.

From-SVN: r181669

[multiple changes]

2011-11-23  Ed Schonberg  <schonberg@adacore.com>

* freeze.adb (Freeze_All_Ent): An incomplete type is not
frozen by a subprogram body that does not come from source.

2011-11-23  Pascal Obry  <obry@adacore.com>

* s-oscons-tmplt.c: Add PTY_Library constant. It contains
the library for pseudo terminal support.
* g-exptty.ads: Add pseudo-terminal library into a Linker_Options
pragma.

2011-11-23  Ed Schonberg  <schonberg@adacore.com>

* sem_ch9.adb: No check on entry family index if generic.

2011-11-23  Thomas Quinot  <quinot@adacore.com>

* sem_ch9.adb, s-taprop.ads, s-taprop-hpux-dce.adb, s-taprop-irix.adb,
s-taprop-posix.adb, s-taprop-rtx.adb, s-taprop-solaris.adb,
s-taprop-tru64.adb, s-taprop-vxworks.adb: Move dependency on
System.OS_Constants from shared spec of
System.Tasking.Primitive_Operations to the specific body variants
that really require this dependency.

2011-11-23  Ed Schonberg  <schonberg@adacore.com>

* sem_ch8.adb (Analyze_Subprogram_Renaming_Declaration):
If the declaration has aspects, analyze them so they can be
properly rejected.

2011-11-23  Hristian Kirtchev  <kirtchev@adacore.com>

* a-comutr.adb, a-coorma.adb, a-coorse.adb, a-convec.adb, a-cihase.adb,
a-cimutr.adb, a-coinve.adb, a-ciorma.adb, a-ciorse.adb, a-cobove.adb,
a-cohama.adb, a-cihama.adb, a-cidlli.adb, a-cdlili.adb, a-cbhama.adb,
a-cbhase.adb, a-cbmutr.adb, a-cborma.adb, a-cborse.adb, a-cbdlli.adb:
Add with and use clause for Ada.Finalization. Type
Iterator and Child_Iterator are now derived from Limited_Controlled.
(Finalize): New routine.
(Iterate): Add a renaming of counter Busy and
increment it. Update the return aggregate.
(Iterate_Children): Add a renaming of
counter Busy and increment it. Update the return aggregate.
(Iterate_Subtree): Add a renaming of counter Busy and increment
it. Update the return aggregate.
* a-cdlili.ads, a-cidlli.ads: Type List_Access is now a general access
type.
* a-cihama.ads: Type Map_Access is now a general access type.
* a-comutr.ads, a-cimutr.ads: Use type Natural for the two locks
associated with the tree.
* a-cohama.ads: Type Map_Access is now a general access type.
* a-coinve.ads, a-convec.ads: Type Vector_Access is now a general
access type.
* exp_ch5.adb (Expand_Iterator_Loop): Do not create a block
to wrap the loop as this is done at an earlier step, during
analysis. The declarations of the iterator and the cursor use
the usual Insert_Action mechanism when added into the tree.
* sem_ch5.adb (Analyze_Loop_Statement): Remove local constant
Loop_Statement and replace all respective uses by N. Add local
constant Loc. Preanalyze the loop iterator to discover whether
it is a container iterator and if it is, wrap the loop in a
block. This ensures that any controlled temporaries produced
by the iteration scheme share the same lifetime of the loop.
(Is_Container_Iterator): New routine.
(Is_Wrapped_In_Block): New routine.
(Pre_Analyze_Range): Move spec and body to the library level.

2011-11-23  Sergey Rybin  <rybin@adacore.com frybin>

* gnat_ugn.texi, vms_data.ads: Add documentation for new gnatpp option
that controls casing of type and subtype names.

2011-11-23  Yannick Moy  <moy@adacore.com>

* sem_ch3.adb: Minor addition of comments.

2011-11-23  Thomas Quinot  <quinot@adacore.com>

* prj-part.adb (Extension_Withs): New global variable,
contains the head of the list of WITH clauses from the EXTENDS
ALL projects for which virtual packages are being created.
(Look_For_Virtual_Projects_For): When recursing through
an EXTENDS ALL, add the WITH clauses of the extending
project to Extension_Withs.  When adding a project to the
Virtual_Hash, record the associated Extension_Withs list.
(Create_Virtual_Extending_Project): Add a copy of the appropriate
Extension_Withs to the virtual project.

2011-11-23  Thomas Quinot  <quinot@adacore.com>

* mlib-tgt-specific-vxworks.adb: Minor reformatting.

2011-11-23  Thomas Quinot  <quinot@adacore.com>

* Make-generated.in (Sdefault.Target_Name): Set to
$(target_noncanonical) instead of $(target) for consistency.

From-SVN: r181668

a-cdlili.adb, [...] (Iterator): Declared Iterator type as limited (First...

2011-11-23  Matthew Heaney  <heaney@adacore.com>

* a-cdlili.adb, a-cidlli.adb, a-cbdlli.adb (Iterator): Declared
Iterator type as limited (First, Last): Cursor return value
depends on iterator node value (Iterate): Use start position as
iterator node value (Next, Previous): Forward to corresponding
cursor-based operation.

From-SVN: r181667

[multiple changes]

2011-11-23  Matthew Heaney  <heaney@adacore.com>

* a-coorse.ads, a-ciorse.ads, a-cborse.ads (Set_Iterator_Interfaces):
Renamed from Ordered_Set_Iterator_Interfaces.
* a-coorse.adb, a-ciorse.adb, a-cborse.adb (Iterator): Declared
Iterator type as limited (First, Last): Cursor return value
depends on iterator node value (Iterate): Use start position as
iterator node value (Next, Previous): Forward to corresponding
cursor-based operation.
* a-cohase.ads, a-cohase.adb: Implemented forward iterator.
* a-cihase.adb, a-cbhase.adb (Iterator): Removed unnecessary
node component (First, Next): Forward call to corresponding
cursor-based operation (Iterate): Representation of iterator no
longer has node component

2011-11-23  Hristian Kirtchev  <kirtchev@adacore.com>

* exp_intr.adb (Expand_Unc_Deallocation): Ensure that the
dereference has a proper type before the side effect removal
mechanism kicks in.
* sem_ch3.adb (Analyze_Subtype_Declaration): Handle a rare case
where the base type of the subtype is a private itype created
to act as the partial view of a constrained record type. This
scenario manifests with equivalent class-wide types for records
with unknown discriminants.

2011-11-23  Jerome Guitton  <guitton@adacore.com>

* s-osprim-vxworks.adb (Clock): Use Clock_RT_Ada.

2011-11-23  Thomas Quinot  <quinot@adacore.com>

* s-oscons-tmplt.c: Fix unbalanced preprocessor directives Minor
reformatting/reorganization.

From-SVN: r181666

g-htable.ads: Remove old comments.

2011-11-23  Thomas Quinot  <quinot@adacore.com>

* g-htable.ads: Remove old comments.

From-SVN: r181665