detect C++ errors to fix 2288 and 18770
gcc/cp/
	PR c++/2288
	PR c++/18770
	* name-lookup.h (enum scope_kind): Add sk_cond.
	* name-lookup.c (pushdecl_maybe_friend): Get scope of shadowed local.
	Detect and report error for redeclaration from for-init or if
	or switch condition.
	(begin_scope): Handle sk_cond.
	* semantics.c (begin_if_stmt): Use sk_cond.
	(begin switch_stmt): Ditto.
gcc/testsuite/
	PR c++/2288
	PR c++/18770
	* g++.old-deja/g++.jason/cond.C: Remove xfails.
	* g++.dg/parse/pr18770.C: New test.
	* g++.dg/cpp0x/range-for5.C: Add dg-error marker.

Co-Authored-By: Nathan Froyd <froydnj@codesourcery.com>

From-SVN: r174307

gcc/
	PR rtl-optimization/48575
	* genrecog.c (position_type): New enum.
	(position): New structure.
	(decision): Use position structure instead of a string.
	(root_pos, peep2_insn_pos_list): New variables.
	(next_position, compare_positions): New functions.
	(new_decision): Use position structures instead of strings.
	(maybe_both_true): Likewise.
	(change_state): Likewise.
	(write_tree): Likewise.
	(make_insn_sequence): Likewise.

From-SVN: r174305

	PR c++/48211
	* name-lookup.h (cp_class_binding): Make base a pointer.
	* name-lookup.c (new_class_binding): Adjust.
	(poplevel_class): Adjust.

From-SVN: r174303

2011-05-26  Paul Thomas  <pault@gcc.gnu.org>
	    Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/48955
	* trans-expr.c (gfc_trans_assignment_1): GFC_REVERSE_NOT_SET
	changed to GFC_ENABLE_REVERSE.
	* trans-array.c (gfc_init_loopinfo): GFC_CANNOT_REVERSE changed
	to GFC_INHIBIT_REVERSE.
	* gfortran.h : Enum gfc_reverse is now GFC_ENABLE_REVERSE,
	GFC_FORWARD_SET, GFC_REVERSE_SET and GFC_INHIBIT_REVERSE.
	* dependency.c (gfc_dep_resolver): Change names for elements of
	gfc_reverse as necessary. Change the logic so that forward
	dependences are remembered as well as backward ones. When both
	have appeared, force a temporary.

2011-05-26  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/48955
	* gfortran.dg/dependency_40.f90 : New test.

From-SVN: r174302

2011-05-26  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * trans-array.c (gfc_conv_array_ref): Handle pointer coarrays.
        * trans-decl.c (has_coarray_vars, caf_init_block,
        gfor_fndecl_caf_register): New file-global variables.
        (gfc_finish_var_decl): Make sure that coarrays in main are static.
        (gfc_build_qualified_array): Generate coarray token variable.
        (gfc_get_symbol_decl): Don't use a static initializer for coarrays.
        (gfc_build_builtin_function_decls): Set gfor_fndecl_caf_register.
        (gfc_trans_deferred_vars, gfc_emit_parameter_debug_info): Skip for
        static coarrays.
        (generate_local_decl): Check for local coarrays.
        (create_main_function): SYNC ALL before calling MAIN.
        (generate_coarray_sym_init): Register static coarray.
        (generate_coarray_init): Generate CAF registering constructor
        function.
        (gfc_generate_function_code): Call it, if needed, do not create
        cgraph twice.
        (gfc_generate_module_vars, gfc_process_block_locals): Call
        generate_coarray_init.
        * trans-types.c (gfc_get_nodesc_array_type): Generate pointers
        * for
        -fcoarray=lib.
        * trans.h (gfor_fndecl_caf_register): New variable.
        (lang_type): New element caf_token.
        (GFC_TYPE_ARRAY_CAF_TOKEN): New macro.

2011-05-26  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * gfortran.dg/coarray/registering_1.f90: New.

From-SVN: r174301

make TS_BLOCK a substructure of TS_BASE
gcc/
	* tree.c (initialize_tree_contains_struct): Mark TS_BLOCK as
	TS_BASE instead of TS_COMMON.
	(find_decls_types_r): Check for TS_TYPED structure before looking at
	TREE_TYPE.
	* tree.h (struct tree_block): Inherit from tree_base, not tree_common.
	Add chain field.
	(BLOCK_CHAIN): Use new chain field.

gcc/c-family/
	* c-common.c (warning_candidate_p): Check for BLOCKs.

gcc/java/
	* decl.c (poplevel): Don't access TREE_TYPE of BLOCKs.
	* expr.c (build_jni_stub): Likewise.

From-SVN: r174300

2011-05-26  Richard Guenther  <rguenther@suse.de>

	lto/
	* lto.c (uniquify_nodes): Fix bug in one of the previous changes.

From-SVN: r174296

2011-05-26  Paolo Carlini  <paolo.carlini@oracle.com>

	* src/list.cc: Use noexcept per the FDIS.
	* src/compatibility-list-2.cc: Likewise.
	* include/debug/set.h: Likewise.
	* include/debug/unordered_map: Likewise.
	* include/debug/multiset.h: Likewise.
	* include/debug/forward_list: Likewise.
	* include/debug/unordered_set: Likewise.
	* include/debug/vector: Likewise.
	* include/debug/map.h: Likewise.
	* include/debug/deque: Likewise.
	* include/debug/list: Likewise.
	* include/debug/multimap.h: Likewise.
	* include/profile/set.h: Likewise.
	* include/profile/unordered_map: Likewise.
	* include/profile/multiset.h: Likewise.
	* include/profile/forward_list: Likewise.
	* include/profile/vector: Likewise.
	* include/profile/unordered_set: Likewise.
	* include/profile/map.h: Likewise.
	* include/profile/deque: Likewise.
	* include/profile/list: Likewise.
	* include/profile/multimap.h: Likewise.
	* include/bits/hashtable.h: Likewise.
	* include/bits/stl_list.h: Likewise.
	* include/bits/stl_map.h: Likewise.
	* include/bits/hashtable_policy.h: Likewise.
	* include/bits/stl_set.h: Likewise.
	* include/bits/forward_list.h: Likewise.
	* include/bits/stl_multimap.h: Likewise.
	* include/bits/stl_vector.h: Likewise.
	* include/bits/stl_deque.h: Likewise.
	* include/bits/stl_multiset.h: Likewise.
	* include/bits/stl_bvector.h: Likewise.
	* include/bits/stl_tree.h: Likewise.

From-SVN: r174295

        * config/rs6000/rs6000.c (rs6000_register_move_cost): Make LR/CTR
        moves expensive on Power7 also.

From-SVN: r174292

2011-05-26  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (fold_unary_loc): Remove bogus code.

From-SVN: r174290

From-SVN: r174288

make TS_IDENTIFIER be a substructure of TS_TYPED
gcc/
	* tree.h (struct tree_identifier): Inherit from tree_typed, not
	tree_common.
	(HT_IDENT_TO_GCC_IDENT): Adjust for said change.
	* tree.c (initialize_tree_contains_struct): Mark TS_IDENTIFIER as
	TS_BASE instead of TS_COMMON.
	* varasm.c (assemble_name): Remove assert.

gcc/c-family/
	* c-common.h (struct c_common_identifier): Inherit from tree_typed,
	not tree_common.

From-SVN: r174286

	PR c++/48424
	* decl.c (grokparms): Function parameter packs don't need to
	go at the end.
	* pt.c (type_unification_real): But they aren't deduced otherwise.

From-SVN: r174285

	* Makefile.in (srcdirify): Change order so that libgcc_objdir is
	substituted first.
	* libgcc-std.ver: Delete file.

From-SVN: r174284

2011-05-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/48702
	* tree-ssa-address.c (create_mem_ref_raw): Create MEM_REFs
	only when we know the base address is within bounds.
	* tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Do not
	assume the base address of TARGET_MEM_REFs is in bounds.

	* gcc.dg/torture/pr48702.c: New testcase.

From-SVN: r174282

re PR target/49099 (sparc.c:‘sparc_solaris_elf_asm_named_section’ declared ‘static’ but never defined)

	PR target/49099
	* config/sparc/sparc.c (sparc_solaris_elf_asm_named_section): Wrap
	declaration in TARGET_SOLARIS.

From-SVN: r174279

        * config/picochip/picochip.md (cbranchhi4): No :CC for match_operator.
          The instruction is then expanded explicitly. 
        (supported_compare): Callable instruction.
        (compare): Likewise.

From-SVN: r174277

From-SVN: r174276

 gcov-profile/48845
	* g++.dg/tree-prof/tree-prof.exp: Check for -fprofile-generate
	support.
	* gcc.dg/matrix/matrix.exp: Likewise.
	* gcc.dg/tree-prof/tree-prof.exp: Likewise.
	* lib/target-supports-dg.exp (dg-require-profiling): Don't pass
	line number to check_profiling_available.
	* lib/target-supports.exp (check_profiling_available): Account for
	this.
	Require TLS runtime support with -fprofile-generate.
	* lib/profopt.exp (profopt-execute): Add TLS options for
	-fprofile-generate.
	* gcc.dg/pr47793.c: Add dg-require-profiling "-fprofile-generate".

From-SVN: r174275

	PR c++/49165
	* gimplify.c (shortcut_cond_r): Don't special case
	COND_EXPRs if they have void type on one of their arms.

	* g++.dg/eh/cond5.C: New test.

From-SVN: r174273

	* haifa-sched.c (schedule-block): Reorder the inner scheduling loop
	to reduce duplication, and to achieve a slightly more logical order
	of operations.

From-SVN: r174271

	PR tree-optimization/49161
	* tree-vrp.c (struct case_info): New type.
	(compare_case_labels): Sort case_info structs instead of
	trees, and not primarily by CASE_LABEL uids but by
	label_for_block indexes.
	(find_switch_asserts): Put case labels into struct case_info
	array instead of TREE_VEC, adjust sorting, compare label_for_block
	values instead of CASE_LABELs.

	* gcc.c-torture/execute/pr49161.c: New test.

From-SVN: r174270

In libobjc/:
2011-05-26  Nicola Pero  <nicola.pero@meta-innovation.com>

	* sendmsg.c: Reindented part of the file.  No non-trivial changes
	in code.

From-SVN: r174269

In libobjc/:
2011-05-26  Nicola Pero  <nicola.pero@meta-innovation.com>

	* sendmsg.c (__objc_install_dtable_for_class): Use objc_getClass,
	not objc_lookupClass.

From-SVN: r174268

From-SVN: r174267

From-SVN: r174266

        PR tree-optimization/49038
        * tree-vect-loop-manip.c (vect_generate_tmps_on_preheader):
        Ensure at least one epilogue iteration if required by data
        accesses with gaps.
        * tree-vectorizer.h (struct _loop_vec_info): Add new field 
        to mark loops that require peeling for gaps.
        * tree-vect-loop.c (new_loop_vec_info): Initialize new field.
        (vect_get_known_peeling_cost): Take peeling for gaps into 
        account.
        (vect_transform_loop): Generate epilogue if required by data
        access with gaps.
        * tree-vect-data-refs.c (vect_analyze_group_access): Mark the
        loop as requiring an epilogue if there are gaps in the end of
        the strided group.

From-SVN: r174265

From-SVN: r174264

2011-05-26  Fabien Chene  <fabien@gcc.gnu.org>
	* g++.dg/init/pr25811-2.C: New.
	* g++.dg/init/pr25811-3.C: New.
	* g++.dg/init/pr25811-4.C: New.

From-SVN: r174263

	* godump.c (go_format_type): Output the first field with a usable
	Go type, if any.

From-SVN: r174262

From-SVN: r174259

	PR c++/48536
	* decl.c (build_enumerator): If incremented enumerator won't fit in
	previous integral type, find one it will fit in.

From-SVN: r174258

	PR c++/48599
	* decl.c (create_array_type_for_decl): Complain about array of auto.

From-SVN: r174257

	PR c++/49156
	* error.c (dump_template_bindings): Set processing_template_decl
	for a partial instantiation.

From-SVN: r174256

	PR c++/45401
	* decl.c (grokdeclarator): Don't change type when adding rvalue ref
	to another reference type.

From-SVN: r174255

2011-05-25  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/bits/stl_queue.h: Use noexcept per the FDIS.
	* include/bits/stl_stack.h: Likewise.

From-SVN: r174254

godump.c (go_format_type): Check for invalid type names, pointer target types, and struct field types.

	* godump.c (go_format_type): Check for invalid type names, pointer
	target types, and struct field types.

From-SVN: r174253

From-SVN: r174252

2011-05-25  Paolo Carlini  <paolo.carlini@oracle.com>

	* config/abi/pre/gnu.ver: Correct last change, export instead
	at the existing @3.4.16.
	* configure.ac: Revert last change.
	* testsuite/util/testsuite_abi.cc: Likewise.
	* configure: Regenerate.

From-SVN: r174246

2011-05-26  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* doc/xml/manual/documentation_hacking.xml: Minor corrections.

From-SVN: r174245