2009-10-28  Rafael Avila de Espindola  <espindola@google.com>

	* trans-common.c (create_common): Set TREE_PUBLIC to false on
	fake variables.

2009-10-28  Rafael Avila de Espindola  <espindola@google.com>

	* dbxout.c (dbxout_common_check): Accept non public trees.
	* dwarf2out.c (fortran_common): Accept non public trees.

From-SVN: r153685

2009-10-28  Rafael Avila de Espindola  <espindola@google.com>

	* common.opt (fuse-linker-plugin): New option.
	* gcc.c (LINK_COMMAND_SPEC, main): Rename use-linker-plugin to
	fuse-linker-plugin.
	* opts.c (common_handle_option): Ignore OPT_fuse_linker_plugin.

From-SVN: r153683

	Core issue 812, 861
	* name-lookup.c (set_decl_namespace): Deal properly with inline
	namespaces.
	(qualified_lookup_using_namespace): Overhaul.
	* pt.c (print_candidates): Handle getting an OVERLOAD.

change lookup algorithm

From-SVN: r153682

From-SVN: r153681

2009-10-28  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/39715
	* config/arm/arm.md (cstoresi4): Use gen_cstoresi_ltu_thumb1.
	(gen_cstoresi_ltu_thumb1): New splitter.

2009-10-28  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/39715
	* gcc.target/arm/thumb-ltu.c: New.

From-SVN: r153678

2009-10-28  Richard Guenther  <rguenther@suse.de>

	PR lto/41808
	PR lto/41839
	* tree-ssa.c (useless_type_conversion_p): Do not treat
	conversions to pointers to incomplete types as useless.
	* gimple.c (gimple_types_compatible_p): Compare struct tags,
	not typedef names.

	* gcc.dg/lto/20091027-1_0.c: New testcase.
	* gcc.dg/lto/20091027-1_1.c: Likewise.
	* g++.dg/lto/20091026-1_0.C: Likewise.
	* g++.dg/lto/20091026-1_1.C: Likewise.
	* g++.dg/lto/20091026-1_a.h: Likewise.

From-SVN: r153671

re PR middle-end/41837 (Using '-O -fipa-struct-reorg -fwhole-program -fprofile-generate' gives 'internal compiler error: Segmentation fault')

	PR middle-end/41837
	* ipa-struct-reorg.c (find_field_in_struct_1): Return NULL if
	fields don't have DECL_NAME.

	* gcc.dg/pr41837.c: New test.

From-SVN: r153670

	PR debug/41801
	* builtins.c (get_builtin_sync_mem): Expand loc in ptr_mode,
	call convert_memory_address on addr.

	* g++.dg/ext/sync-3.C: New test.

From-SVN: r153669

	PR target/41762
	* config/i386/i386.c (ix86_pic_register_p): Don't call
	rtx_equal_for_cselib_p for VALUEs discarded as useless.

	* gcc.dg/pr41762.c: New test.

From-SVN: r153667

var-tracking.c (emit_note_insn_var_location): Don't call the second vt_expand_loc unnecessarily when...

	* var-tracking.c (emit_note_insn_var_location): Don't call the second
	vt_expand_loc unnecessarily when location is not a register nor
	memory.

From-SVN: r153666

var-tracking.c (emit_note_insn_var_location): Get the mode of a variable part from its REG, MEM or VALUE.

	* var-tracking.c (emit_note_insn_var_location): Get the mode of
	a variable part from its REG, MEM or VALUE.

From-SVN: r153665

2009-10-28  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gimple_get_alias_set): Fix comment typo.

From-SVN: r153664

2009-10-28  Bob Duff  <duff@adacore.com>

	* s-fileio.adb: Give more information in exception messages.

2009-10-28  Robert Dewar  <dewar@adacore.com>

	* gnat_ugn.texi: Document new -gnatyt requirement for space after right
	paren if next token starts with digit or letter.
	* styleg.adb (Check_Right_Paren): New rule for space after if next
	character is a letter or digit.

From-SVN: r153663

2009-10-28  Thomas Quinot  <quinot@adacore.com>

	* s-crtl.ads (System.CRTL.strerror): New function.

2009-10-28  Ed Schonberg  <schonberg@adacore.com>

	* sem_type.adb: Add guard to recover some type errors.

From-SVN: r153662

2009-10-28  Vincent Celier  <celier@adacore.com>

	* prj-nmsc.adb (Add_To_Or_Remove_From_List): New name of procedure
	Add_If_Not_In_List to account to the fact that a directory may be
	removed from the list. Only remove directory if Removed is True.

2009-10-28  Gary Dismukes  <dismukes@adacore.com>

	* a-textio.ads, a-textio.ads: Put back function EOF_Char in private
	part. Put back body of function EOF_Char.
	* a-tienau.adb: Remove with of Interfaces.C_Streams and change EOF back
	to EOF_Char.

2009-10-28  Emmanuel Briot  <briot@adacore.com>

	* prj-tree.adb (Free): Fix memory leak.

2009-10-28  Thomas Quinot  <quinot@adacore.com>

	* s-fileio.adb: Minor reformatting

From-SVN: r153661

From-SVN: r153660

2009-10-28  Richard Guenther  <rguenther@suse.de>

	* tree.c (free_lang_data_in_type): Do not call get_alias_set.
	(free_lang_data): Unconditionally compute alias sets for all
	standard integer types.  Bail out if gate bailed out previously.
	Do not reset the types_compatible_p langhook.
	(gate_free_lang_data): Remove.
	(struct pass_ipa_free_lang_data): Enable unconditionally.
	* gimple.c (gimple_get_alias_set): Use the same alias-set for
	all pointer types.

From-SVN: r153659

2009-10-28  Robert Dewar  <dewar@adacore.com>

	* exp_attr.adb, exp_ch9.adb, prj-nmsc.adb, tbuild.adb, ali.adb,
	types.ads: Minor reformatting

2009-10-28  Tristan Gingold  <gingold@adacore.com>

	* init.c: Fix __gnat_error_handler for Darwin10 (Snow Leopard)

From-SVN: r153658

2009-10-28  Thomas Quinot  <quinot@adacore.com>

	* exp_ch4.adb (Expand_N_Type_Conversion): Perform Integer promotion for
	the operand of the unary minus and ABS operators.

	* sem_type.adb (Covers): A concurrent type and its corresponding record
	type are compatible.
	* exp_attr.adb (Expand_N_Attribute_Reference): Do not rewrite a 'Access
	attribute reference for the current instance of a protected type while
	analyzing an access discriminant constraint in a component definition.
	Such a reference is handled in the corresponding record's init proc,
	while initializing the constrained component.
	* exp_ch9.adb (Expand_N_Protected_Type_Declaration): When creating the
	corresponding record type, propagate components'
	Has_Per_Object_Constraint flag.
	* exp_ch3.adb (Build_Init_Procedure.Build_Init_Statements):
	For a concurrent type, set up concurrent aspects before initializing
	components with a per object constrain, because they may be controlled,
	and their initialization may call entries or protected subprograms of
	the enclosing concurrent object.

2009-10-28  Emmanuel Briot  <briot@adacore.com>

	* prj-nmsc.adb (Add_If_Not_In_List): New subprogram, for better sharing
	of code.
	(Find_Source_Dirs): resolve links if Opt.Follow_Links_For_Dirs when
	processing the directories specified explicitly in the project file.

From-SVN: r153657

2009-10-28  Robert Dewar  <dewar@adacore.com>

	* a-ztexio.adb, a-ztexio.ads, a-witeio.ads, a-witeio.adb,
	a-textio.ads, a-textio.adb: Reorganize (moving specs from private part
	to body).
	(Initialize_Standard_Files): New procedure.
	* a-tienau.adb: Minor change to make EOF directly visible
	* a-tirsfi.ads, a-wrstfi.adb, a-wrstfi.ads, a-zrstfi.adb,
	a-zrstfi.ads, a-tirsfi.adb: New unit, initial version.
	* gnat_rm.texi: Add documentation for
	Ada.[Wide_[Wide_]]Text_IO.Reset_Standard_Files.
	* Makefile.rtl: Add entries for
	Ada.[Wide_[Wide_]]Text_IO.Reset_Standard_Files

2009-10-28  Thomas Quinot  <quinot@adacore.com>

	* exp_ch9.ads: Minor reformatting
	* sem_ch3.adb: Minor reformatting
	* sem_aggr.adb: Minor reformatting.
	* sem_attr.adb: Minor reformatting
	* tbuild.adb, tbuild.ads, par-ch4.adb, exp_ch4.adb (Tbuild.New_Op_Node):
	New subprogram.
	Minor code reorganization/factoring.

From-SVN: r153656

2009-10-28  Richard Guenther  <rguenther@suse.de>

	PR middle-end/41855
	* tree-ssa-alias.c (refs_may_alias_p_1): Deal with CONST_DECLs
	(ref_maybe_used_by_call_p_1): Fix bcopy handling.
	(call_may_clobber_ref_p_1): Likewise.
	* tree-ssa-structalias.c (find_func_aliases): Likewise.
	* alias.c (nonoverlapping_memrefs_p): Deal with CONST_DECLs.

	* gfortran.dg/lto/20091028-1_0.f90: New testcase.
	* gfortran.dg/lto/20091028-1_1.c: Likewise.
	* gfortran.dg/lto/20091028-2_0.f90: Likewise.
	* gfortran.dg/lto/20091028-2_1.c: Likewise.

From-SVN: r153655

stl_iterator_base_funcs.h: (next): Change template parameter name consistently with the resolution of DR...

2009-10-28  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/bits/stl_iterator_base_funcs.h: (next): Change
	template parameter name consistently with the resolution
	of DR 1011 ([Ready] in Santa Cruz).

From-SVN: r153654

2009-10-28  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/41812

	Revert:
	2009-06-27  Paolo Bonzini  <bonzini@gnu.org>

	* df-problems.c (df_md_scratch): New.
	(df_md_alloc, df_md_free): Allocate/free it.
	(df_md_local_compute): Only include live registers in init.
	(df_md_transfer_function): Prune the in-set computed by
	the confluence function, and the gen-set too.

From-SVN: r153652

2009-10-28  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/39715
	* combine.c (simplify_comparison): Use extensions to
	widen comparisons.  Try an ANDing first.

testsuite:
2009-10-28  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/39715
	* gcc.target/arm/thumb-bitfld1.c: New.

From-SVN: r153651

2009-10-28  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/40741
	* config/arm/arm.c (thumb1_rtx_costs): IOR or XOR with
	a small constant is cheap.
	* config/arm/arm.md (andsi3, iorsi3): Try to place the result of
	force_reg on the LHS.
	(xorsi3): Likewise, and split the XOR if the constant is complex
	and not in Thumb mode.

2009-10-28  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/40741
	* gcc.target/arm/thumb-branch1.c: New.

From-SVN: r153650

re PR libstdc++/40852 ([parallel-mode] parallel sort run time increases ~10 fold when vector size gets over ~4*10^9)

2009-10-28  Johannes Singler  <singler@kit.edu>

        PR libstdc++/40852
        * include/parallel/multiseq_selection.h
        (multiseq_partition, multiseq_selection):  Avoid intermediate
        values exceeding the integer type range for very large inputs.

From-SVN: r153648

2009-10-28  Paolo Bonzini  <bonzini@gnu.org>

	* expmed.c (emit_store_flag): Check costs before
	transforming to the opposite representation.

From-SVN: r153647

2009-10-28  Paolo Bonzini  <bonzini@gnu.org>

	* config/sh/sh.md (cbranchfp4_media): Remove hack extending
	cstore result to DImode.

From-SVN: r153646

	* config/sh/sh.md (stuff_delay_slot): Move const_int pattern
	inside the unspec vector.

From-SVN: r153643

From-SVN: r153621

From-SVN: r153618

	* semantics.c (maybe_add_lambda_conv_op): New.
	* parser.c (cp_parser_lambda_expression): Call it.
	(cp_parser_lambda_declarator_opt): Make op() static if
	no captures.
	* mangle.c (write_closure_type_name): Adjust.
	* semantics.c (finish_this_expr): Adjust.
	* decl.c (grok_op_properties): Allow it.
	* call.c (build_user_type_conversion_1): Handle static conversion op.
	(build_op_call): And op().

From-SVN: r153617

	* gcc-interface/decl.c (purpose_member_field): New static function.
	(annotate_rep): Use it instead of purpose_member.

From-SVN: r153616

        PR c++/41819
        * tree-eh.c (eh_region_may_contain_throw_map): Rename from
        eh_region_may_contain_throw; update users.
        (eh_region_may_contain_throw): New function.
        (lower_catch): Check flag_exceptions before creating exception region.
        (lower_eh_filter, lower_eh_must_not_throw): Likewise.
        (lower_cleanup): Tidy existing flag_exceptions check to match.

From-SVN: r153615

raise-gcc (db_region_for): Use _Unwind_GetIPInfo instead of _Unwind_GetIP if HAVE_GETIPINFO is defined.

	* raise-gcc (db_region_for): Use _Unwind_GetIPInfo instead of
	_Unwind_GetIP if HAVE_GETIPINFO is defined.
	(db_action_for): Likewise.

From-SVN: r153613

2009-10-27  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>

	PR lto/41652
	* configure.ac: Call AC_SYS_LARGEFILE before AC_OUTPUT.
	* configure: Regenerate.

From-SVN: r153610

2009-10-27  Kai Tietz <kai.tietz@onevision.com>

        PR/41799
        * config/i386/mingw32.h (CHECK_EXECUTE_STACK_ENABLED): New macro.
        * config/i386/mingw.opt: Add fset-stack-executable.
        * config/i386/i386.c (ix86_trampoline_init): Make call to
        emit_library_call conditional, if CHECK_EXECUTE_STACK_ENABLED is
        defined and its value is not zero.
        * doc/invoke.texi

From-SVN: r153606

	* ChangeLog: Fix formatting.
	* testsuite/ChangeLog: Ditto.

From-SVN: r153604

tree-ssa-structalias.c (find_func_aliases): In IPA mode handle calls to externally visible functions like in regular mode.

2009-10-27  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (find_func_aliases): In IPA mode
	handle calls to externally visible functions like in regular mode.
	(create_variable_info_for): Do not create function infos here.
	(have_alias_info): Remove write-only variable.
	(solve_constraints): New function split out from common code
	in compute_points_to_sets and ipa_pta_execute.
	(compute_points_to_sets): Adjust.
	(ipa_pta_execute): Likewise.  Handle clones and externally visible
	functions like in non-IPA mode.

	* gcc.dg/torture/ipa-pta-1.c: Adjust testcase.

From-SVN: r153600

	PR c/41842
	* c-typeck.c (convert_arguments): Return -1 if any of the arguments is
	error_mark_node.

	* gcc.dg/pr41842.c: New test.

From-SVN: r153599