This patch only introduces the structure definition and adjusts
the existing routines to use the new cur_trace global to access
the variables that were moved into the structure.

        * dwarf2cfi.c (dw_trace_info): New.
        (dw_label_info): New.
        (cie_return_save): New.
        (cur_trace): New.
        (queued_args_size): Rename from args_size.  Update all users.
        (cfa_store, cfa_temp, regs_saved_in_regs): Remove.
        (def_cfa_1): Use cur_trace instead of cfa_*.
        (dwarf2out_stack_adjust, record_reg_saved_in_reg): Likewise.
        (clobbers_queued_reg_save, reg_saved_in): Likewise.
        (dwarf2out_frame_debug_expr): Likewise.
        (create_cie_data): Split out from ...
        (execute_dwarf2_frame): ... here.  Initialize cur_trace.

From-SVN: r176704

        * dwarf2cfi.c (regs_saved_in_regs): Allocate from heap, not gc.
        Update all users to match.
        (execute_dwarf2_frame): Free reg_saved_in_data.

From-SVN: r176703

Also, allocate it in the heap instead of garbage collected.

        * dwarf2cfi.c (queued_reg_save): Reorder for packing.  Don't GTY.
        (queued_reg_saves): Don't GTY.  Change to a VEC.
        (queue_reg_save): Update to match.
        (dwarf2out_flush_queued_reg_saves): Likewise.
        (clobbers_queued_reg_save): Likewise.
        (reg_saved_in): Likewise.
        (execute_dwarf2_frame): Free queued_reg_saves.

From-SVN: r176702

        * dwarf2cfi.c (dw_cfi_row_ref): Remove.  Update all users.

From-SVN: r176701

Add a generic function to adjust cfi state from one row to another.
Use this to implement text section switching.  This will also be
usable for arbitrary changes around a cfg for shrink-wrapping.

        * dwarf2cfi.c (add_cfi_args_size): Split out from...
        (dwarf2out_args_size): ... here.
        (add_cfi_restore): Split out from ...
        (dwarf2out_frame_debug_cfa_restore): ... here.
        (def_cfa_0): Split out from ...
        (def_cfa_1): ... here.
        (cfi_oprnd_equal_p, cfi_equal_p): New.
        (change_cfi_row): New.
        (add_cfis_to_fde): Set fde->dw_fde_switch_cfi_index.
        (create_cfi_notes): Use change_cfi_row at SWITCH_TEXT note.
        (output_cfis): Remove.
        * dwarf2out.c (output_fde): Simplify output_cfi loop.
        (dwarf2out_switch_text_section): Don't call output_cfis.
        (dw_val_equal_p, loc_descr_equal_p_1, loc_descr_equal_p): New.
        * dwarf2out.h: Update decls.
        (enum dw_val_class): Add dw_val_class_none.

From-SVN: r176700

To be actually used by a subsequent patch.

        * dwarf2cfi.c (update_row_reg_save): New.
        (dwarf2out_frame_debug_cfa_expression): Use it.
        (dwarf2out_frame_debug_cfa_restore): Likewise.
        (reg_save): Likewise.  Do not emit DW_CFA_same_value.

From-SVN: r176699

Make it consistent with add_cfi_vec.

        * dwarf2cfi.c (add_cfi_insn): Rename from cfi_insn.  Update all users.

From-SVN: r176698

Use it instead of old_cfa, old_args_size, and cfa_remember variables.

Remove the global cfa variable, as it was usually a duplicate of
old_cfa and otherwise confusing.  Always make a local copy of the
cur_row->cfa variable before modification instead.

        * dwarf2cfi.c (dw_cfi_row, dw_cfi_row_ref): New.
        (cie_cfi_row): New.
        (new_cfi_row, copy_cfi_row, free_cfi_row): New.
        (cfa, old_cfa, cfa_remember, old_cfa_remember, old_args_size): Remove.
        (cur_row, remember_row): New.
        (def_cfa_1): Use cur_row instead of the old_* variables.
        (dwarf2out_frame_debug_restore_state): Similarly.
        (dwarf2out_args_size, dwarf2out_notice_stack_adjust): Likewise.
        (dwarf2out_frame_debug_def_cfa): Use a local variable instead of cfa.
        (dwarf2out_frame_debug_adjust_cfa): Likewise.
        (dwarf2out_frame_debug_cfa_offset): Likewise.
        (dwarf2out_frame_debug_expr): Likewise.
        (execute_dwarf2_frame): Set up cur_row.
        * dwarf2out.h (struct cfa_loc): Mark for GTY.

From-SVN: r176697

From-SVN: r176696

	PR target/49816
	* arm.c (aapcs_vfp_allocate_return_reg): Return NULL on failure.

From-SVN: r176687

* libgfortran/intrinsics/ctime.c: Include <stdlib.h>.
* libgfortran/intrinsics/getlog.c: Likewise.
* libgfortran/runtime/stop.c: Likewise.

From-SVN: r176675

2011-07-23  Arnaud Charlet  <charlet@adacore.com>

	PR ada/49819
	* gcc-interface/Makefile.in (powerpc-linux): Remove reference to
	g-trasym-dwarf.adb.

From-SVN: r176673

2011-07-22  Benjamin Kosnik  <bkoz@redhat.com>
	    Daniel Krugler  <daniel.kruegler@googlemail.com>

	* include/bits/move.h (move, forward): Mark constexpr.
	* include/bits/stl_pair.h (pair): Mark move ctors constexpr.
	* testsuite/20_util/pair/make_pair/constexpr.cc: New.
	* testsuite/20_util/pair/cons/constexpr.cc: Add tests.


Co-Authored-By: Daniel Krugler <daniel.kruegler@googlemail.com>

From-SVN: r176672

From-SVN: r176670

From-SVN: r176669

	PR c++/49793
	* typeck2.c (check_narrowing): Downgrade permerror to pedwarn.
	Make conditional on -Wnarrowing.

From-SVN: r176665

From-SVN: r176664

        * jump.c (maybe_propagate_label_ref): Split out of...
        (mark_all_labels): ... here.  Do not attempt label_ref
        propagation while in cfglayout mode.

From-SVN: r176663

	PR target/49817
	* stack-limit.c: Include <stdint.h>.

From-SVN: r176662

2011-07-23  Tobias Burnus  <burnus@net-b.de>

        PR fortran/49791
        * io/list_read.c (nml_parse_qualifier): Remove check to
        enabled extended read for another case.

2011-07-23  Tobias Burnus  <burnus@net-b.de>

        PR fortran/49791
        * gfortran.dg/namelist_72.f: New.

From-SVN: r176661

2011-07-23  Tobias Burnus  <burnus@net-b.de>

        * resolve.c (resolve_symbol): Fix coarray var decl check.

2011-07-23  Tobias Burnus  <burnus@net-b.de>

        * gfortran.dg/coarray_25.f90: New.

From-SVN: r176660

	Warn about the use of final/override in non-c++0x mode, and
	add __final for non-c++0x mode.
	* cp-tree.h (cpp0x_warn_str): Add CPP0X_OVERRIDE_CONTROLS.
	* error.c (maybe_warn_cpp0x): Adjust.
	* parser.c (cp_parser_virt_specifier_seq_opt): Use it. Add
	'__final' as a non-c++0x alternative for 'final'.

From-SVN: r176655

	* dwarf2.h (DW_AT_GNU_macros): New.
	(enum dwarf_macro_record_type): New enum.  Add DW_MACRO_GNU_*.

	* dwarf2out.c (struct macinfo_struct): Change code to unsigned char.
	(DEBUG_MACRO_SECTION, DEBUG_MACRO_SECTION_LABEL): Define.
	(dwarf_attr_name): Handle DW_AT_GNU_macros.
	(dwarf2out_define): If the vector is empty and
	lineno is 0, emit a dummy entry first.
	(dwarf2out_undef): Likewise.  Remove redundant semicolon.
	(htab_macinfo_hash, htab_macinfo_eq, output_macinfo_op,
	optimize_macinfo_range): New functions.
	(output_macinfo): Use them.  If !dwarf_strict and .debug_str is
	mergeable, optimize longer strings using
	DW_MACRO_GNU_{define,undef}_indirect and if HAVE_COMDAT_GROUP,
	optimize longer sequences of define/undef ops from headers
	using DW_MACRO_GNU_transparent_include.  For !dwarf_strict
	emit a section headers.
	(dwarf2out_init): For !dwarf_strict set debug_macinfo_section
	and macinfo_section_label to DEBUG_MACRO_SECTION
	resp. DEBUG_MACRO_SECTION_LABEL.
	(dwarf2out_finish): For !dwarf_strict emit DW_AT_GNU_macros
	instead of DW_AT_macro_info.

From-SVN: r176653

	PR other/32998
	* common.opt (grecord-gcc-switches, gno-record-gcc-switches): New
	options.
	* dwarf2out.c: Include opts.h.
	(dchar_p): New typedef.  Define heap VEC for it.
	(producer_string): New variable.
	(gen_producer_string): New function.
	(gen_compile_unit_die): Use it.
	(dwarf2out_finish): Fix up comp_unit_die () DW_AT_producer
	if needed.
	* Makefile.in (dwarf2out.o): Depend on $(OPTS_H).
	* doc/invoke.texi: Document -grecord-gcc-switches and
	-gno-record-gcc-switches, add a -grecord-gcc-switches reference
	to -frecord-gcc-switches description.

From-SVN: r176652

	PR c++/30112
gcc/c-family/
	* c-common.h: Declare c_linkage_bindings.
	* c-pragma.c (handle_pragma_redefine_extname): Use it.
gcc/
	* c-decl.c (c_linkage_bindings): Define.
gcc/cp/
	* decl.c (cp_finish_decl): Apply pragma redefine_extname in
	other namespaces as well.
	* name-lookup.c (c_linkage_bindings): Define.
	(lookup_extern_c_fun_in_all_ns): Rename from
	lookup_extern_c_fun_binding_in_all_ns.  Return tree.
	(pushdecl_maybe_friend_1): Adjust.  Copy DECL_ASSEMBLER_NAME.

Co-Authored-By: Mark Glisse <marc.glisse@normalesup.org>

From-SVN: r176650

	PR debug/49815
	* var-tracking.c (vt_finalize): Always free windowed_parm_regs.

From-SVN: r176647

	PR c++/49813
	* c-opts.c (set_std_cxx0x): Set flag_isoc94 and flag_isoc99.
	* c-pretty-print.c (pp_c_cv_qualifiers): Check c_dialect_cxx as well
	as flag_isoc99 for 'restrict'.
	(pp_c_specifier_qualifier_list): Likewise for _Complex.

From-SVN: r176635

gcc/

2011-07-22  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_option_override_internal): Disallow
	MS ABI in x32 mode.
	(ix86_init_builtins): Call ix86_init_builtins_va_builtins_abi
	only for TARGET_LP64.
	(ix86_handle_abi_attribute): Check TARGET_LP64 instead of
	TARGET_64BIT.

gcc/testsuite/

2011-07-22  H.J. Lu  <hongjiu.lu@intel.com>

	* gcc/testsuite/gcc.target/i386/avx-vzeroupper-16.c: Only run
	on lp64 targets.
	* gcc/testsuite/gcc.target/i386/avx-vzeroupper-17.c: Likewise.
	* gcc/testsuite/gcc.target/i386/avx-vzeroupper-18.c: Likewise.
	* gcc/testsuite/gcc.target/i386/pr43662.c: Likewise.
	* gcc/testsuite/gcc.target/i386/pr43869.c: Likewise.

	* gcc.target/x86_64/abi/callabi/callabi.exp: Check ilp32
	instead of ia32.

From-SVN: r176634

From-SVN: r176632

From-SVN: r176631

2011-07-22  Martin Jambor  <mjambor@suse.cz>

	PR lto/49796
	* cgraphunit.c (verify_edge_corresponds_to_fndecl): Return false
	if decl node is in another partition, call cgraph_get_node only
	once.

From-SVN: r176630

From-SVN: r176629

	* config.gcc (i[34567]86-*-linux*): Set
	default_gnu_indirect_function to yes.

From-SVN: r176628

	* fragment.am (CONFIG_CXXFLAGS): Add -frandom-seed.
	* Makefile.in: Rebuild.
	* doc/Makefile.in: Rebuild.
	* include/Makefile.in: Rebuild.
	* libsupc++/Makefile.in: Rebuild.
	* po/Makefile.in: Rebuild.
	* python/Makefile.in: Rebuild.
	* src/Makefile.in: Rebuild.
	* testsuite/Makefile.in: Rebuild.

From-SVN: r176626

2011-07-22  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/45819
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
	preserve volatile and notrap flags.

	* gcc.dg/pr45819.c: New testcase.

From-SVN: r176623

	PR c++/49756
	* libiberty.h (stack_limit_increase): New prototype.

	* stack-limit.c: New file.
	* Makefile.in: Regenerate deps.
	(CFILES): Add stack-limit.c.
	(REQUIRED_OFILES): Add ./stack-limit.$(objext).
	* configure.ac (checkfuncs): Add getrlimit and setrlimit.
	(AC_CHECK_FUNCS): Likewise.
	* configure: Regenerated.
	* config.in: Regenerated.

	* gcc.c (main): Call stack_limit_increase (64MB).
	* toplev.c (toplev_main): Likewise.

From-SVN: r176622

From-SVN: r176621

2011-07-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
	    Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	gcc:
	PR bootstrap/49794
	* configure.ac: Test AM_ICONV with CXX.
	* configure: Regenerate.
	* config/sol2-c.c (solaris_format_types): Use EXPORTED_CONST.

	gcc/ada:
	PR bootstrap/49794
	* init.c [sun && __SVR4 && !__vxworks] (__gnat_install_handler):
	Assign to act.sa_sigaction.
	* tracebak.c [USE_GENERIC_UNWINDER] (__gnat_backtrace): Cast
	current->return_address to char * before arithmetic.

	libcpp:
	PR bootstrap/49794
	* configure.ac: Test AM_ICONV with CXX.
	* configure: Regenerate.
	* system.h (HAVE_DESIGNATED_INITIALIZERS): Never define for C++.

Co-Authored-By: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>

From-SVN: r176620

	* init.c [sgi] (__gnat_error_handler): Update sigaction(2) citation.
	Correct argument types.
	Extract code from reason.
	(__gnat_install_handler): Assign to act.sa_sigaction.

From-SVN: r176619

	PR bootstrap/49797
	* graphite-clast-to-gimple.c (CLOOG_LANGUAGE_C): Provide if missing.
	(set_cloog_options): Use it.

From-SVN: r176618