gcc/java/
	* java-gimplify.c (java_gimplify_block): New argument to
	build_empty_stmt.
	* expr.c (force_evaluation_order): Same.
	* typeck.c: Add location to build_decl or PUSH_FIELD calls.
	* class.c: Same.
	* decl.c: Same.
	* jcf-parse.c: Same.
	* constants.c: Same.
	* resource.c: Same.
	* except.c: Same.
	* builtins.c: Same.
	* expr.c: Same.
	* java-tree.h (PUSH_FIELD): Add location field.
gcc/objc/
	* objc-act.c (finish_var_decl): Pass location to finish_decl.
	(objc_get_parm_info): Same.
	(get_super_receiver): Same.
	* objc-act.c (objc_build_component_ref): Pass location to
	build_compound_ref.
	(build_module_initializer_routine): Pass location to
	c_end_compound_stmt.
	(objc_generate_static_init_call): Pass location to build_stmt.
	(build_typed_selector_reference): New location argument.
	(build_selector_reference): Same.
	(objc_substitute_decl): Pass location to build_array_ref.
	(next_sjlj_build_try_catch_finally): Pass location to build_stmt.
	(objc_begin_catch_clause): Same.
	(objc_finish_try_stmt): Same.
	(objc_finish_catch_clause): Pass location to c_end_compound_stmt.
	(objc_build_throw_stmt): New argument.
	(generate_shared_structures): Pass location to build_c_cast.
	(objc_build_message_expr): Use local location.
	(objc_finish_message_expr): Use input_location.
	(build_objc_method_call): New argument.
	(objc_build_selector_expr): Same.
	(get_super_receiver): Pass location to build_c_cast,
	build_modify_expr, build_compound_expr.
	* objc-act.c: Add location to all calls to start_struct, build_decl,
	finish_struct.
gcc/
	* tree-pretty-print.c (dump_generic_node): Dump column numbers.
	* gimple-pretty-print.c (dump_gimple_stmt): Same.
	* gimplify.c (gimplify_modify_expr): Set location for GIMPLE_ASSIGNs
	created.
	* c-parser.c (c_parser_binary_expression): Use current column while
	building binary operations.
	* common.opt (fshow-column): Enable by default.
	* tree-vrp.c (check_array_ref): Use warning_at.
	(check_array_bounds): Use location from call back if expr has no
	location.
	* tree.h: Add location argument to maybe_fold_*.
	* tree-ssa-ccp.c (ccp_fold): Pass location to maybe_fold_*.
	(maybe_fold_offset_to_array_ref): Add location argument and use it.
	(maybe_fold_offset_to_component_ref): Same.
	(maybe_fold_offset_to_reference): Same.
	(maybe_fold_offset_to_address): Same.
	(maybe_fold_stmt_indirect): Same.
	(maybe_fold_stmt_addition): Same.
	(fold_stmt_r): Pass location to maybe_fold_*.
	(fold_gimple_assign): Same.
	* c-tree.h: Add location argument to finish_decl,
	default_function_array_conversion, store_init_value.
	* c-decl.c (define_label): Use error_at.
	(c_make_fname_decl): Pass location to finish_decl.
	(finish_decl): New location argument.
	(build_compound_literal): Pass location to store_init_value.
	(grokdeclarator): Pass location to finish_decl.
	(grokfield): Same.
	* c-typeck.c (array_to_pointer_conversion): New location argument.
	(function_to_pointer_conversion): Same.
	(default_function_array_conversion): Same.
	(parser_build_unary_op): Pass location to overflow_warning.
	(parser_build_binary_op): Same.  Use warning_at.
	(build_unary_op): Pass location to array_to_pointer_conversion.
	(build_c_cast): Pass location to digest_init.
	(build_modify_expr): New location argument.
	(convert_for_assignment): Same.
	(store_init_value): Same.
	(digest_init): Same.
	(output_init_element): Pass location to digest_init and
	array_to_pointer_conversion.
	(c_finish_return): Pass location to convert_for_assignment.
	* gimplify.c (gimplify_conversion): Pass location to
	maybe_fold_offset_to_address.
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Pass location
	to maybe_fold_stmt_addition.
	* c-omp.c (c_finish_omp_atomic): Pass new location to
	build_modify_expr.
	(c_finish_omp_for): Same.
	* c-common.c (overflow_warning): New argument.
	* c-common.h: New argument to build_modify_expr, overflow_warning.
	* c-parser.c (c_parser_declaration_or_fndef): Pass location to
	finish_decl.
	(c_parser_initializer): Pass location to
	default_function_array_conversion.
	(c_parser_initelt): Same.
	(c_parser_initval): Same.
	(c_parser_asm_operands): Same.
	(c_parser_expr_no_commas): Same.  Pass location to build_modify_expr.
	(c_parser_conditional_expression): Same.
	(c_parser_binary_expression): Add location info to stack.  Use it.
	(c_parser_unary_expression): Pass location to
	default_function_array_conversion, parser_build_unary_op,
	build_indirect_ref, c_parser_postfix_expression_after_primary.
	(c_parser_postfix_expression_after_primary): New location argument.
	Use it.
	(c_parser_expression_conv): Pass location to
	default_function_array_conversion.
	(c_parser_expr_list): Same.
	(c_parser_omp_atomic): Same.
	(c_parser_omp_for_loop): Same.
	* c-tree.h: (struct c_declarator): Add comment to id_loc.
	(build_array_declarator): New argument.
	* c-decl.c (build_array_declarator): Add location argument.
	(grokdeclarator): Set id_loc for cdk_array.
	* c-parser.c (c_parser_direct_declarator_inner): Pass location to
	build_array_declarator.
	* tree.c (build_omp_clause): Add location argument.
	* tree.h (OMP_CLAUSE_HAS_LOCATION): New macro.
	(OMP_CLAUSE_LOCATION): New macro.
	(struct tree_omp_clause): Add location field.
	(build_omp_clause): Add argument.
	* testsuite/gcc.dg/gomp/for-1.c: Fix column.
	* cp/pt.c (tsubst_omp_for_iterator): Pass location to
	build_omp_clause.
	* cp/parser.c (cp_parser_omp_var_list_no_open): Same.
	(cp_parser_omp_clause_collapse): Same.
	(cp_parser_omp_clause_default): Same.
	(cp_parser_omp_clause_if): Same.
	(cp_parser_omp_clause_nowait): Same.
	(cp_parser_omp_clause_num_threads): Same.
	(cp_parser_omp_clause_ordered): Same.
	(cp_parser_omp_clause_schedule): Same.
	(cp_parser_omp_clause_untied): Same.
	(cp_parser_omp_for_loop): Same.
	(cp_parser_omp_parallel): Pass location to c_split_parallel_clauses.
	* c-tree.h (c_start_case): Add location argument.
	(c_process_expr_stmt): Same.
	(c_finish_goto_*): Same.
	* tree-parloops.c (initialize_reductions): Pass location to
	build_omp_clause.
	(create_parallel_loop): Same.
	* fortran/trans-openmp.c (gfc_trans_omp_variable_list): Same.
	(gfc_trans_omp_reduction_list): Same.
	(gfc_trans_omp_clauses): Same.
	(gfc_trans_omp_do): Same.
	* c-typeck.c (c_finish_goto_label): Same.
	(c_finish_goto_ptr): New location argument.
	(c_start_case): Same.
	(emit_side_effect_warnings): Same.
	(c_process_expr_stmt): Same.
	(c_finish_stmt_expr): Same.
	(c_finish_omp_clauses): Use error_at instead of error.
	* gimplify.c (gimplify_adjust_omp_clauses_1): Pass location to
	build_omp_clause.
	* c-omp.c (c_split_parallel_clauses): New location argument.
	* tree-nested.c (convert_nonlocal_reference_stmt): Pass location
	to build_omp_clause.
	(convert_local_reference_stmt): Same.
	(convert_gimple_call): Same.
	* c-common.h (c_split_parallel_clauses): New argument.
	* c-parser.c (c_parser_statement_after_labels): Pass location to
	c_finish_goto_label.
	(c_parser_switch_statement): Pass location to c_start_case.
	(c_parser_for_statement): Pass location to c_finish_expr_stmt,
	and c_process_expr_stmt.
	(c_parser_omp_variable_list): Add location argument.
	(c_parser_omp_clause_collapse): Pass location to
	build_omp_clause.
	(c_parser_omp_clause_default): Same.
	(c_parser_omp_clause_if): Same.
	(c_parser_omp_clause_num_threads): Same.
	(-c_parser_omp_clause_ordered): Same.
	(c_parser_omp_clause_reduction): Pass location to
	c_parser_omp_variable_list.
	(c_parser_omp_clause_schedule): Pass location to build_omp_clause.
	(c_parser_omp_clause_untied): Same.
	(c_parser_omp_for_loop): Pass location to c_process_expr_stmt.
	(c_parser_omp_parallel): Pass location to
	c_split_parallel_clauses.
	* c-tree.h (check_for_loop_decls, undeclared_variable,
	build_component_ref, build_array_ref, build_external_ref,
	c_expr_sizeof_expr, c_expr_sizeof_type, parser_build_unary_op,
	build_conditional_expr, build_compound_expr, c_cast_expr,
	build_c_cast, build_asm_expr, c_end_compound_stmt, c_finish_stmt_expr,
	c_finish_return, c_finish_omp_parallel, c_finish_omp_task): New
	argument.
	* c-semantics.c (build_stmt): Same.
	(build_case_label): Same.
	* c-decl.c (c_finish_incomplete_decl): Pass location on down.
	(undeclared_variable): New argument.
	(make_label): Same.
	(lookup_label): Pass location on down.
	(define_label): Same.
	(finish_decl): Same.
	(build_compound_literal): Same.
	(finish_struct): Same.
	(finish_function): Do not set location here.
	(check_for_loop_decls): New argument.
	* tree.c (save_expr): Set location.
	(build_empty_stmt): New argument.
	* tree.h (build_empty_stmt): New argument to build_empty_stmt.
	(CAN_HAVE_LOCATION_P): Make sure we have a non empty node.
	* builtins.c (gimplify_va_arg_expr): Use locations.
	(expand_builtin_sync_operation): Same.
	* c-typeck.c (build_component_ref): New argument.
	(build_array_ref): Same.
	(build_external_ref): Same.
	(c_expr_sizeof_expr): Same.
	(c_expr_sizeof_type): Same.
	(parser_build_unary_op): Same.
	(build_conditional_expr): Same.
	(build_compound_expr): Pass location on down.
	(build_compound_expr): New argument.
	(build_c_cast): Same.
	(c_cast_expr): Same.
	(build_asm_expr): Same.
	(c_finish_return): Same.
	(c_process_expr_stmt): Pass location on down.
	(c_finish_stmt_expr): New argument.
	(push_clenaup): Same.
	(c_finish_omp_parallel): Same.
	(c_finish_omp_task): Same.
	* gimplify.c (gimplify_call_expr): Pass location on down.
	* c-omp.c (c_finish_omp_master): New argument.
	(c_finish_omp_critical): Same.
	(c_finish_omp_ordered): Same.
	(c_finish_omp_barrier): Same.
	(-c_finish_omp_taskwait): Same.
	(c_finish_omp_atomic): Same.
	(c_finish_omp_flush): Same.
	* tree-inline.c (copy_tree_body_r): Pass location on down.
	(inline_forbidden_p): Remove use of input_location.
	* c-gimplify.c (c_build_bind_expr): New argument.
	* c-common.c (c_common_truthvalue_conversion): Pass location on down.
	(c_sizeof_or_alignof_type): New argument.
	(c_alignof_expr): Same.
	(build_va_arg): Same.
	(c_add_case_label): Same.
	* c-common.h (c_sizeof_or_alignof_type, c_alignof_expr,
	c_sizeof, c_alignof, build_va_arg, build_stmt, build_case_label,
	c_build_bind_expr, objc_build_selector_expr, objc_build_throw_stmt,
	c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered,
	c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush,
	c_finish_omp_taskwait, c_finish_omp_for, c_split_parallel_clauses):
	New argument.
	* stub-objc.c (objc_build_selector_expr): Same.
	(objc_build_throw_stmt): Same.
	* c-parser.c (c_parser_declaration_or_fndef): Pass location on down.
	(c_parser_initelt): Same.
	(c_parser_compound_statement): Same.
	(c_parser_compound_statement_nostart): Same.
	(c_parser_label): Same.
	(c_parser_statement_after_labels): Same.
	(c_parser_if_body): Same.
	(c_parser_else_body): Same.
	(c_parser_if_statement): Same.
	(c_parser_switch_statement): Same.
	(c_parser_while_statement): Same.
	(c_parser_do_statement): Same.
	(c_parser_for_statement): Same.
	(c_parser_asm_statement): Same.
	(c_parser_conditional_expression): Same.
	(c_parser_binary_expression): Same.
	(c_parser_cast_expression): Same.
	(c_parser_unary_expression): Same.
	(c_parser_sizeof_expression): Same.
	(c_parser_alignof_expression): Same.
	(c_parser_postfix_expression): Same.
	(c_parser_expression): Same.
	(c_parser_objc_receiver): Same.
	(c_parser_omp_variable_list): Same.
	(c_parser_omp_structured_block): Same.
	(c_parser_omp_atomic): New argument.
	(c_parser_omp_barrier): Same.
	(c_parser_omp_critical): Same.
	(c_parser_omp_flush): Pass location on down.
	(c_parser_omp_for_loop): New argument.
	(c_parser_omp_for): Same.
	(c_parser_omp_master): Same.
	(c_parser_omp_ordered): Same.
	(c_parser_omp_sections_scope): Same.
	(c_parser_omp_sections): Same.
	(c_parser_omp_parallel): Same.
	(c_parser_omp_single): Same.
	(c_parser_omp_task): Same.
	(c_parser_omp_taskwait): Pass location on down.
	(c_parser_omp_construct): Same.
	(c_parser_omp_threadprivate): Same.
	* dwarf2asm.c, targhooks.c, optabs.c, tree.c, tree.h, target.h,
	builtins.c, omp-low.c, cgraphunit.c, tree-call-cdce.c,
	tree-ssa-alias.c, gimple-low.c, c-tree.h, expr.c, tree-parloops.c,
	c-decl.c, tree-eh.c, langhooks.c, function.c, stor-layout.c,
	c-typeck.c, gimplify.c, c-pragma.c, expmed.c, except.c, coverage.c,
	emit-rtl.c, cfgexpand.c, tree-mudflap.c, varasm.c, tree-nested.c,
	rtl.h, tree-inline.c, tree-profile.c, c-common.c, c-common.h,
	tree-switch-conversion.c, tree-cfg.c, ipa-struct-reorg.c, c-parser.c,
	config/i386/i386.c, stmt.c:
	Add location argument to the following function definitions and/or
	function calls: build_decl, objcp_start_struct, objcp_finish_struct,
	start_struct, finish_struct, PUSH_FIELD, create_artificial_label,
	cp_make_fname_decl, pushtag, implicitly_declare, c_make_fname_decl,
	build_compound_literal, parser_xref_tag, resolve_overloaded_builtin,
	do_case, c_finish_bc_stmt, build_compound_literal,
	build_function_call.
	* c-decl.c (build_compound_literal): Add location argument.
	Make all diagnostic calls use location.
	(start_struct): Same.
	(finish_struct): Same.
	(start_enum): Same.
	(build_enumerator): Same.
	(start_function): Same.
	(grokdeclarator): Make all diagnostic calls use location.
	(store_parm_decls_oldstyle): Same.
	* c-typeck.c (build_function_call): Add location argument.
	Make all diagnostic calls use location.
	(do_case): Same.
	(c_finish_bc_stmt): Same.
	* tree-nested.c (get_trampoline_type): Add argument.
	Pass location to build_decl.
	(lookup_tramp_for_decl): Pass location to get_trampoline_type.
	* rtl.h (RTL_LOCATION): New.
	* c-common.c (c_add_case_label): Add location argument.
	Make all diagnostic calls use location.
	* c-common.h: Add location argument to make_fname_decl, do_case,
	c_add_case_label, build_function_call, resolve_overloaded_builtin.
	* c-parser.c (c_parser_enum_specifier): Rename ident_loc to enum_loc.
	Set it appropriately for every case.  Pass enum_loc to start_enum
	call.  Pass value_loc first to build_enumerator.  Pass enum_loc to
	parser_xref_tag.
	(c_parser_struct_or_union_specifier): Save location.  Use it for
	start_struct, finish_struct, and parser_xref_tag.
gcc/testsuite/
	* gcc.dg/old-style-prom-3.c: Add column info.
	* gcc.dg/overflow-warn-1.c
	* gcc.dg/gomp/pr27415.c
	* gcc.dg/gomp/for-1.c: Same.
	* gcc.dg/enum-compat-1.c: Same.
	* gcc.dg/c99-tag-3.c: Same.
	* gcc.dg/Wredundant-decls-2.c: Same.
	* gcc.dg/func-ptr-conv-1.c: Same.
	* gcc.dg/asm-wide-1.c: Same.
	* gcc.dg/nofixed-point-2.c: Same.
	* gcc.dg/cpp/line3.c: Same.
	* gcc.dg/array-10.c: Same.
	* gcc.dg/c99-vla-jump-1.c: Same.
	* gcc.dg/pr20368-1.c: Same.
	* gcc.dg/Wshadow-3.c: Same.
	* gcc.dg/c90-const-expr-8.c: Same.
	* gcc.dg/label-decl-2.c: Same.
	* gcc.dg/dremf-type-compat-2.c: Same.
	* gcc.dg/c90-const-expr-5.c: Same.
	* gcc.dg/builtins-30.c: Same.
	* gcc.dg/Warray-bounds.c: Same.
	* gcc.dg/Wcxx-compat-2.c: Same.
	* gcc.dg/tree-ssa/col-1.c: Same.
	* gcc.dg/old-style-prom-2.c: Same.
	* gcc.dg/cast-function-1.c: Same.
	* gcc.dg/pr15698-1.c: Same.
	* gcc.dg/dremf-type-compat-3.c: Same.
	* gcc.dg/vla-8.c: Same.
	* gcc.dg/gomp/pr27415.c: Move firstprivate diagnostics to correct
	line.
	* gcc.dg/label-decl-2.c: Move label diagnostic to correct line.
	* gcc.dg/old-style-prom-3.c: Check for error on the correct line.
	* gcc.dg/enum-compat-1.c: Same.
	* gcc.dg/dremf-type-compat-2.c: Same.
	* gcc.dg/old-style-prom-2.c: Same.
	* gcc.dg/pr15698-1.c: Same.
	* gcc.dg/pr20368-1.c: Same.
	* gcc.dg/dremf-type-compat-3.c: Same.
	* gcc.dg/builtins-30.c: Same.  Test for columns.
gcc/objcp/
	* objcp-decl.h (c_end_compound_stmt): New argument.
	* objcp-decl.c (objcp_start_struct): Add argument.
	(objcp_finish_struct): Same.
gcc/cp/
	* typeck.c (cp_build_binary_op): Pass location to overflow_warning.
	(build_modify_expr): New arg.
	* semantics.c (finish_unary_op_expr): Pass location to
	overflow_warning.
	(handle_omp_for_class_iterator): Pass location to build_modify_expr.
	* typeck.c (cxx_sizeof_or_alignof_type): Pass location to
	c_sizeof_or_alignof_type.
	(build_array_ref): New argument.
	(build_compound_expr): Same.
	(build_const_cast): Same.
	(build_ptrmemfunc): Pass location to build_c_cast.
	* init.c (avoid_placement_new_aliasing): Pass location to
	build_stmt.
	(build_vec_delete_1): Pass location to cp_build_modify_expr,
	build_compound_expr.
	* class.c (build_vtbl_ref_1): Pass location to build_array_ref.
	* decl.c (poplevel): Pass location to c_build_bind_expr.
	(finish_case_label): Pass location to build_case_label.
	(finish_constructor_body): Same.
	(finish_destructor_body): Pass location to build_stmt.
	(cxx_maybe_build_cleanup): Same, but to build_compound_expr.
	* call.c (build_new_op): Pass location to build_array_ref.
	(build_x_va_arg): Pass location to build_va_arg.
	* except.c (expand_end_catch_block): Pass location to
	build_stmt.
	* cp-tree.h (build_array_ref): New argument.
	(build_compound_expr): Same.
	(build_c_cast): Same.
	* cp-gimplify.c (gimplify_if_stmt): Pass location on down.
	(gimplify_switch_stmt): Same.
	* typeck2.c (split_nonconstant_init_1): Same.
	* pt.c (tsubst_copy): Same.
	* semantics.c (add_decl_expr): Same.
	(do_poplevel): Same.
	(push_cleanup): Same.
	(finish_goto_stmt): Same.
	(finish_expr_stmt): Same.
	(begin_if_stmt): Same.
	(begin_while_stmt): Same.
	(begin_do_stmt): Same.
	(finish_return_stmt): Same.
	(begin_for_stmt): Same.
	(finish_break_stmt): Same.
	(finish_continue_stmt): Same.
	(begin_switch_stmt): Same.
	(begin_try_block): Same.
	(begin_handler): Same.
	(finish_asm_stmt): Same.
	(finish_label_stmt): Same.
	(finish_stmt_expr_expr): Same.
	(finalize_nrv_r): Same.
	(finish_omp_atomic): Same.
	* name-lookup.c (do_using_directive): Same.
	* decl2.c (grok_array_decl): Same.
	* parser.c (cp_parser_cast_expression): Same.
	(cp_parser_selection_statement): Same.
	(cp_parser_implicitly_scoped_statement): Same.
	(cp_parser_objc_selector_expression): Same.
	(cp_parser_objc_synchronized_statement): Same.
	(cp_parser_objc_throw_statement): Same.
	(cp_parser_omp_critical): Same.
	(cp_parser_omp_master): Same.
	* typeck.c (build_function_call): Add location argument.
	* init.c: Add location argument to all build_decl calls.
	* class.c: Same.
	* method.c: Same.
	* rtti.c: Same.
	* tree.c: Same.
	* pt.c: Same.
	* semantics.c: Same.
	* lex.c: Same.
	* decl2.c: Same.
	* cp-gimplify.c: Same.
	* decl.c: Same.
	(cp_make_fname_decl): Add location argument.  Pass location ot
	build_decl.
	(finish_case_label): Same.
	* cp-tree.h (finish_case_label): Add location argument.
	* parser.c (cp_parser_label_for_labeled_statement): Pass location to
	finish_case_label.
gcc/fortran/
	* trans-array.c (gfc_trans_allocate_array_storage): Pass
	location on down.
	(gfc_trans_array_constructor_value): Same.
	(gfc_trans_scalarized_loop_end): Same.
	(gfc_conv_ss_startstride): Same.
	(gfc_trans_g77_array): Same.
	(gfc_trans_dummy_array_bias): Same.
	(gfc_conv_array_parameter): Same.
	(structure_alloc_comps): Same.
	* trans-expr.c (gfc_conv_function_call): Same.
	(fill_with_spaces): Same.
	(gfc_trans_string_copy): Same.
	(gfc_trans_scalar_assign): Same.
	* trans-stmt.c (gfc_trans_goto): Same.
	(gfc_trans_if_1): Same.
	(gfc_trans_simple_do): Same.
	(gfc_trans_do): Same.
	(gfc_trans_do_while): Same.
	(gfc_trans_logical_select): Same.
	(gfc_trans_select): Same.
	(gfc_trans_forall_loop): Same.
	(gfc_trans_nested_forall_loop): Same.
	(generate_loop_for_temp_to_lhs): Same.
	(generate_loop_for_rhs_to_temp): Same.
	(gfc_trans_forall_1): Same.
	(gfc_trans_where_assign): Same.
	(gfc_trans_where_3): Same.
	(gfc_trans_allocate): Same.
	* trans.c (gfc_finish_block): Same.
	(gfc_trans_runtime_check): Same.
	(gfc_call_malloc): Same.
	(gfc_allocate_with_status): Same.
	(gfc_call_free): Same.
	(gfc_deallocate_with_status): Same.
	(gfc_call_realloc): Same.
	(gfc_trans_code): Same.
	* trans-decl.c (gfc_init_default_dt): Same.
	(gfc_generate_constructors): Same.
	* trans-io.c (gfc_trans_io_runtime_check): Same.
	* trans-intrinsic.c (gfc_conv_intrinsic_ctime): Same.
	(gfc_conv_intrinsic_fdate): Same.
	(gfc_conv_intrinsic_ttynam): Same.
	(gfc_conv_intrinsic_minmax): Same.
	(gfc_conv_intrinsic_minmax_char): Same.
	(gfc_conv_intrinsic_anyall): Same.
	(gfc_conv_intrinsic_count): Same.
	(gfc_conv_intrinsic_arith): Same.
	(gfc_conv_intrinsic_minmaxloc): Same.
	(gfc_conv_intrinsic_minmaxval): Same.
	(gfc_conv_intrinsic_rrspacing): Same.
	(gfc_conv_intrinsic_array_transfer): Same.
	(gfc_conv_intrinsic_trim): Same.
	(gfc_conv_intrinsic_repeat): Same.

From-SVN: r148442

2009-06-12  Steven G. Kargl  <kargls@comcast.net>

	* arith.c (gfc_enum_initializer): Move function ...
	* decl.c: ... here.  Remove gfc_ prefix and make static.
	(enumerator_decl): Update function call.
	* gfortran.h:  Remove gfc_enum_initializer prototype.

From-SVN: r148441

2009-06-12  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40176
	* resolve.c (resolve_symbol): Additional error check, preventing an
	infinite loop.


2009-06-12  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40176
	* gfortran.dg/proc_decl_1.f90: Extended.

From-SVN: r148440

libcpp/:
	* include/cpplib.h (struct cpp_options): Add
	warn_cxx_operator_names field.
	(NODE_WARN_OPERATOR): Define.
	(struct cpp_hashnode): Increase flags field to 10 bits, decrease
	type to 6 bits.
	* init.c (mark_named_operators): Add flags parameter.
	(cpp_post_options): Pick flags value to pass to
	mark_named_operators.
	* lex.c (lex_identifier): If NODE_WARN_OPERATOR is set, warn that
	identifier is an operator name in C++.
gcc/:
	* fold-const.c (fold_unary): Rename local variable and to
	and_expr.
	* c-opts.c (c_common_handle_option): For -Wc++-compat set
	cpp_opts->warn_cxx_operator_names.
gcc/testsuite/:
	* gcc.dg/Wcxx-compat-13.c: New testcase.

From-SVN: r148438

2009-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/38865
        * tree-ssa-sccvn.c (visit_reference_op_load): If vn_reference_lookup
        is returns NULL and OP is a VCE, look through the VCE.



2009-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/38865
        * gcc.dg/tree-ssa/fre-vce-1.c
:

From-SVN: r148437

re PR bootstrap/40430 (collect2.c fails to compile: new qualifiers in middle of multi-level non-const cast are unsafe)

	PR bootstrap/40430
	* collect2.c (main): Use CONST_CAST2 in code inside #if
	LINK_ELIMINATE_DUPLICATE_LDIRECTORIES.

From-SVN: r148434

2009-06-12  Andrew Haley  <aph@redhat.com>

	* ChangeLog.libffi: testsuite/libffi.call/cls_align_sint64.c,
	testsuite/libffi.call/cls_align_uint64.c,
	testsuite/libffi.call/cls_ulonglong.c,
	testsuite/libffi.call/return_ll1.c,
	testsuite/libffi.call/stret_medium2.c: Fix printf format
	specifiers.
	testsuite/libffi.special/unwindtest.cc: include stdint.h.

2009-06-11  Timothy Wall  <twall@users.sf.net>

	* Makefile.am,
        configure.ac,
        include/ffi.h.in,
        include/ffi_common.h,
        src/closures.c,
        src/dlmalloc.c,
        src/x86/ffi.c,
        src/x86/ffitarget.h,
        src/x86/win64.S (new),
	README: Added win64 support (mingw or MSVC)
        * Makefile.in,
        include/Makefile.in,
        man/Makefile.in,
        testsuite/Makefile.in,
        configure,
        aclocal.m4: Regenerated
        * ltcf-c.sh: properly escape cygwin/w32 path
        * man/ffi_call.3: Clarify size requirements for return value.
        * src/x86/ffi64.c: Fix filename in comment.
        * src/x86/win32.S: Remove unused extern.

        * testsuite/libffi.call/closure_fn0.c,
        testsuite/libffi.call/closure_fn1.c,
        testsuite/libffi.call/closure_fn2.c,
        testsuite/libffi.call/closure_fn3.c,
        testsuite/libffi.call/closure_fn4.c,
        testsuite/libffi.call/closure_fn5.c,
        testsuite/libffi.call/closure_fn6.c,
	testsuite/libffi.call/closure_stdcall.c,
	testsuite/libffi.call/cls_12byte.c,
	testsuite/libffi.call/cls_16byte.c,
	testsuite/libffi.call/cls_18byte.c,
	testsuite/libffi.call/cls_19byte.c,
	testsuite/libffi.call/cls_1_1byte.c,
	testsuite/libffi.call/cls_20byte.c,
	testsuite/libffi.call/cls_20byte1.c,
	testsuite/libffi.call/cls_24byte.c,
	testsuite/libffi.call/cls_2byte.c,
	testsuite/libffi.call/cls_3_1byte.c,
	testsuite/libffi.call/cls_3byte1.c,
 	testsuite/libffi.call/cls_3byte2.c,
 	testsuite/libffi.call/cls_4_1byte.c,
 	testsuite/libffi.call/cls_4byte.c,
 	testsuite/libffi.call/cls_5_1_byte.c,
 	testsuite/libffi.call/cls_5byte.c,
 	testsuite/libffi.call/cls_64byte.c,
 	testsuite/libffi.call/cls_6_1_byte.c,
 	testsuite/libffi.call/cls_6byte.c,
 	testsuite/libffi.call/cls_7_1_byte.c,
 	testsuite/libffi.call/cls_7byte.c,
 	testsuite/libffi.call/cls_8byte.c,
 	testsuite/libffi.call/cls_9byte1.c,
 	testsuite/libffi.call/cls_9byte2.c,
 	testsuite/libffi.call/cls_align_double.c,
 	testsuite/libffi.call/cls_align_float.c,
 	testsuite/libffi.call/cls_align_longdouble.c,
 	testsuite/libffi.call/cls_align_longdouble_split.c,
 	testsuite/libffi.call/cls_align_longdouble_split2.c,
 	testsuite/libffi.call/cls_align_pointer.c,
 	testsuite/libffi.call/cls_align_sint16.c,
 	testsuite/libffi.call/cls_align_sint32.c,
 	testsuite/libffi.call/cls_align_sint64.c,
 	testsuite/libffi.call/cls_align_uint16.c,
 	testsuite/libffi.call/cls_align_uint32.c,
 	testsuite/libffi.call/cls_align_uint64.c,
 	testsuite/libffi.call/cls_dbls_struct.c,
 	testsuite/libffi.call/cls_double.c,
 	testsuite/libffi.call/cls_double_va.c,
 	testsuite/libffi.call/cls_float.c,
 	testsuite/libffi.call/cls_longdouble.c,
 	testsuite/libffi.call/cls_longdouble_va.c,
 	testsuite/libffi.call/cls_multi_schar.c,
 	testsuite/libffi.call/cls_multi_sshort.c,
 	testsuite/libffi.call/cls_multi_sshortchar.c,
 	testsuite/libffi.call/cls_multi_uchar.c,
 	testsuite/libffi.call/cls_multi_ushort.c,
 	testsuite/libffi.call/cls_multi_ushortchar.c,
 	testsuite/libffi.call/cls_pointer.c,
 	testsuite/libffi.call/cls_pointer_stack.c,
 	testsuite/libffi.call/cls_schar.c,
 	testsuite/libffi.call/cls_sint.c,
 	testsuite/libffi.call/cls_sshort.c,
 	testsuite/libffi.call/cls_uchar.c,
 	testsuite/libffi.call/cls_uint.c,
 	testsuite/libffi.call/cls_ulonglong.c,
 	testsuite/libffi.call/cls_ushort.c,
 	testsuite/libffi.call/err_bad_abi.c,
 	testsuite/libffi.call/err_bad_typedef.c,
 	testsuite/libffi.call/float2.c,
 	testsuite/libffi.call/huge_struct.c,
 	testsuite/libffi.call/nested_struct.c,
 	testsuite/libffi.call/nested_struct1.c,
 	testsuite/libffi.call/nested_struct10.c,
 	testsuite/libffi.call/nested_struct2.c,
 	testsuite/libffi.call/nested_struct3.c,
 	testsuite/libffi.call/nested_struct4.c,
 	testsuite/libffi.call/nested_struct5.c,
 	testsuite/libffi.call/nested_struct6.c,
 	testsuite/libffi.call/nested_struct7.c,
 	testsuite/libffi.call/nested_struct8.c,
 	testsuite/libffi.call/nested_struct9.c,
 	testsuite/libffi.call/problem1.c,
 	testsuite/libffi.call/return_ldl.c,
 	testsuite/libffi.call/return_ll1.c,
 	testsuite/libffi.call/stret_large.c,
 	testsuite/libffi.call/stret_large2.c,
 	testsuite/libffi.call/stret_medium.c,
 	testsuite/libffi.call/stret_medium2.c,
        testsuite/libffi.special/unwindtest.cc: use ffi_closure_alloc instead
        of checking for MMAP.  Use intptr_t instead of long casts.

2009-06-12  Andrew Haley  <aph@redhat.com>

	* Makefile.am: Remove info_TEXINFOS.

From-SVN: r148433

2009-06-12  H.J. Lu  <hongjiu.lu@intel.com>

	PR testsuite/40384
	* gcc.dg/tree-ssa/prefetch-5.c: Add --param min-insn-to-prefetch-ratio=5.

From-SVN: r148431

gcc/

2009-06-12  Joey Ye  <joey.ye@intel.com>

	PR middle-end/39146
	* cfgexpand.c (get_decl_align_unit): Update
	max_used_stack_slot_alignment with align instead of
	stack_alignment_needed.

	* function.c (assign_stack_local_1): Update
	max_used_stack_slot_alignment with alignment_in_bits instead
	of stack_alignment_needed.
	(locate_and_pad_parm): Don't update max_used_stack_slot_alignment
	here.

gcc/testsuite/

2009-06-12  Joey Ye  <joey.ye@intel.com>
	    H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/39146
	* gcc.target/i386/stackalign/pr39146.c: New.

From-SVN: r148428

	* dwarf2out.c (last_var_location_insn): New variable.
	(dwarf2out_end_epilogue): Clear last_var_location_insn.
	(dwarf2out_var_location): Don't record anything after last real
	insn.  Only change labels if there were any real instructions
	in between last note and this one, or if changed sections.

From-SVN: r148415

alpha.c (alpha_expand_prologue): Add a REF_CFA_REGISTER note when storing the frame pointer in a register.

        * alpha.c (alpha_expand_prologue): Add a REF_CFA_REGISTER
        note when storing the frame pointer in a register.
        (FRP): Don't redefine to nothing for epilogue.
        (alpha_expand_epilogue): Mark register and sp restores.
        (unicosmk_gen_dsib): Don't mark weird frame pointer adjust.

From-SVN: r148414

        * config/alpha/alpha.c (alpha_emit_setcc): Fix test for
        when gen_lowpart is needed.

From-SVN: r148413

From-SVN: r148412

        * dwarf2out.c (need_data_align_sf_opcode): New.
        (div_data_align): Move earlier.
        (def_cfa_1, reg_save): Use it.

From-SVN: r148411

gcc/

2009-06-11  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (OPTION_MASK_ISA_CRC32_SET): New.
	(OPTION_MASK_ISA_CRC32_UNSET): Likewise.
	(ix86_handle_option): Handle OPT_mcrc32.
	(ix86_target_string): Add -mcrc32.
	(bdesc_args): Enable crc32 builtins with OPTION_MASK_ISA_CRC32.

	* config/i386/i386.h (TARGET_CRC32): New.

	* config/i386/i386.md (sse4_2_crc32<mode>): Also check
	TARGET_CRC32.
	(sse4_2_crc32di): Likewise.

	* config/i386/i386.opt (mcrc32: New.

	* doc/invoke.texi: Document -mcrc32.

gcc/testsuite/

2009-06-11  H.J. Lu  <hongjiu.lu@intel.com>

	* gcc.target/i386/crc32-1.c: New.
	* gcc.target/i386/crc32-2.c: Likewise.

From-SVN: r148410

From-SVN: r148409

	* common.opt (gdwarf-): Accept a version number.
	* doc/invoke.texi (gdwarf-): Update docs.
	* opth-gen.awk: Special case -gdwarf+ to OPT_gdwarfplus.
	* opts.c (common_handle_option) [OPT_gdwarf_]: Verify dwarf
	version level, and record it.

	* dwarf2.h (DW_CIE_VERSION): Remove.
	* dwarf2out.c (DWARF_VERSION): Remove.
	(add_fde_cfi): Skip DW_CFA_set_loc addition for dwarf3.
	(output_call_frame_info): Use CIE version 3 for dwarf3,
	or if the return register column is out of range for version 1.
	(dwarf_stack_op_name): Add all dwarf3 values.
	(DEBUG_PUBTYPES_SECTION): New.
	(size_of_die) [dw_val_class_die_ref]: Handle DW_FORM_ref_addr
	encoding change for dwarf3.
	(output_die) [dw_val_class_die_ref]: Likewise.
	(output_compilation_unit_header): Emit correct version for dwarf3.
	(output_line_info): Likewise.
	(output_pubnames): Update for DWARF_VERSION removal.
	(output_aranges): Likewise.
	(gen_subprogram_die): Emit DW_OP_call_frame_cfa if emitting dwarf3.
	(dwarf2out_init): Don't ifdef DEBUG_PUBTYPES_SECTION.
	(dwarf2out_finish): Likewise.

ada/
	* gcc-interface/misc.c (gnat_handle_option): Rename
	OPT_gdwarf_ to OPT_gdwarfplus.

From-SVN: r148408

From-SVN: r148407

2009-06-11  David Daney  <ddaney@caviumnetworks.com>

	* system.h (gcc_assert, gcc_unreachable): Revert accidental commit
	in r148403.

From-SVN: r148404

2009-06-11  David Daney  <ddaney@caviumnetworks.com>

	PR c/39252
	* doc/extend.texi ( __builtin_unreachable): Document new builtin.
	* builtins.c (expand_builtin_unreachable): New function.
	(expand_builtin): Handle BUILT_IN_UNREACHABLE case.
	* builtins.def (BUILT_IN_UNREACHABLE): Add new builtin.
	* cfgcleanup.c (try_optimize_cfg): Delete empty blocks with no
	successors.
	* cfgrtl.c (rtl_verify_flow_info): Handle empty blocks when
	searching for missing barriers.

2009-06-11  David Daney  <ddaney@caviumnetworks.com>

	PR c/39252
	* gcc.dg/builtin-unreachable-1.c: New test.
	* gcc.dg/builtin-unreachable-2.c: Same.

From-SVN: r148403

	* testsuite/libffi.call/cls_longdouble_va.c: Add xfail sh*-*-linux-*.
	* testsuite/libffi.call/err_bad_abi.c: Add xfail sh*-*-*.
	* testsuite/libffi.call/err_bad_typedef.c: Likewise.

From-SVN: r148402

re PR fortran/40402 (Problem with data statement involving structure constructors containing non-initialisation expressions)

2009-06-11  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/40402
	* resolve.c (next_data_value): It is an error if the value is
	not constant.

2009-06-11  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/40402
	* gfortran.dg/data_value_1.f90: New test.

From-SVN: r148396

re PR testsuite/39831 (gcc.target/i386/excess-precision-*.c assume the default -mfp-math does not include SSE)

	PR testsuite/39831
	* gcc.target/i386/excess-precision-1.c: Use -mfpmath=387, and
	remove ilp32 requirement.
	* gcc.target/i386/excess-precision-2.c: Likewise.
	* gcc.target/i386/excess-precision-3.c: Likewise.
	* gcc.target/i386/excess-precision-4.c: Likewise.
	* gcc.target/i386/excess-precision-5.c: Likewise.
	* gcc.target/i386/excess-precision-6.c: Likewise.

From-SVN: r148395

	* config/darwin.h (LINK_COMMAND_SPEC): Adjust spec to link libcov
	when -fprofile-generate* was passed.
	* config/darwin9.h (LINK_COMMAND_SPEC): Likewise.

From-SVN: r148394

random.tcc (negative_binomial_distribution<>::operator() (_UniformRandomNumberGenerator&, const param_type&): Tweak to use a class member gamma_distribution.

2009-06-11  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/bits/random.tcc
	(negative_binomial_distribution<>::operator()
	(_UniformRandomNumberGenerator&, const param_type&): Tweak to use a
	class member gamma_distribution.
	(negative_binomial_distribution<>::operator()
	(_UniformRandomNumberGenerator&)): Implement out of line here.
	(operator<<(basic_ostream<>&, negative_binomial_distribution<>),
	operator>>(basic_ostream<>&, negative_binomial_distribution<>): Adjust.
	(student_t_distribution<>::operator()
	(_UniformRandomNumberGenerator&, const param_type&): Move inline,
	simplify.
	(operator<<(basic_ostream<>&, student_t_distribution<>),
	operator>>(basic_ostream<>&, student_t_distribution<>): Adjust.
	(chi_squared_distribution<>::operator()
	(_UniformRandomNumberGenerator&, const param_type&): Move inline,
	tweak to use a class member gamma_distribution.
	(operator<<(basic_ostream<>&, chi_squared_distribution<>),
	operator>>(basic_ostream<>&, chi_squared_distribution<>): Adjust.
	(fisher_f_distribution<>::operator() (_UniformRandomNumberGenerator&,
	const param_type&): Move inline, tweak to use class member
	gamma_distributions.
	(operator<<(basic_ostream<>&, fisher_f_distribution<>),
	operator>>(basic_ostream<>&, fisher_f_distribution<>): Adjust.
	* include/bits/random.h: Adjust, minor tweaks.

From-SVN: r148393

2009-06-11  Ed Schonberg  <schonberg@adacore.com>

	* sem_attr.adb (Resolve_Attribute, case 'access): Add missing
	accessibiliy check on access_to_subprogram in the context of an
	anonymous access that is not an access parameter.

2009-06-11  Eric Botcazou  <ebotcazou@adacore.com>

	* tracebak.c (i386 section): Define IS_BAD_PTR on Solaris.
	
2009-06-11  Quentin Ochem  <ochem@adacore.com>

	* sem_warn.adb, scng.adb, sfn_scan.adb, freeze.adb: Add CODEFIX
	comments for message handled by GPS.

2009-06-11  Matthew Gingell  <gingell@adacore.com>

	* adaint.c: Use fopen64 instead of fopen on platforms where we know
	it's supported.

2009-06-11  Pascal Obry  <obry@adacore.com>

	* g-cgi.ads: Fix comment typo.

	* g-cgi.adb: Properly decode "+" in CGI parameters as spaces.

From-SVN: r148392

From-SVN: r148390

re PR fortran/38718 (some simplifiers for elemental intrinsics missing; required for init expressions)

	PR fortran/38718

	* intrinsic.c (add_functions): Add simplifiers for ISNAN,
	IS_IOSTAT_END and IS_IOSTAT_EOR.
	* intrinsic.h (gfc_simplify_is_iostat_end,
	* gfc_simplify_is_iostat_eor,
	gfc_simplify_isnan): New prototypes.
	* intrinsic.c (gfc_simplify_is_iostat_end,
	* gfc_simplify_is_iostat_eor,
	gfc_simplify_isnan): New functions.

	* gfortran.dg/is_iostat_end_eor_2.f90: New test.
	* gfortran.dg/nan_5.f90: New test.

From-SVN: r148367

	* interface.c (fold_unary): Rename to...
	(fold_unary_intrinsic): ... this.
	(gfc_extend_expr): Adjust caller.
	(gfc_match_generic_spec): Likewise.  Initialize *op to INTRINSIC_NONE
	to avoid warnings.
	* expr.c (gfc_simplify_expr): Initialize start and end before calling
	gfc_extract_int.

From-SVN: r148366

	* config/i386/i386.c (min_insn_size): Use get_attr_length
	for normal insns other than TYPE_MULTI, TYPE_OTHER and TYPE_FCMP.
	For __asm return 0.

From-SVN: r148365

	* config/i386/i386.c (ix86_pad_returns): Use emit_jump_insn_before
	instead of emit_insn_before.

From-SVN: r148364

From-SVN: r148361

	* python/libstdcxx/v6/printers.py (lookup_function): Remove extra
	';'.
	(build_libstdcxx_dictionary): Accept shortened form of
	basic_string names.
	(StdStringPrinter.to_string): Remove reference to WideEncoding.

From-SVN: r148358

	PR libstdc++/40289:
	* python/Makefile.in: Rebuild.
	* python/hook.in: Compute module path relative to objfile.
	* python/Makefile.am (pythondir): Redefine.
	(gdb.py): Subst toolexeclibdir.
	(install-data-local): Rewrite.

From-SVN: r148357

	PR bootstrap/40408
	* graphite.c (add_conditions_to_domain): Change SWITCH_EXPR to
	GIMPLE_SWITCH.

From-SVN: r148356

libgcc/
	* config.host (vax-*-linux*): New.

From-SVN: r148355

From-SVN: r148352

2009-06-10  Martin Jambor  <mjambor@suse.cz>

	* cgraph.c (cgraph_node_can_be_local_p): New function.
	(cgraph_make_node_local): New function.
	* cgraph.h (cgraph_node_can_be_local_p): Declare.
	(cgraph_make_node_local): Declare.

From-SVN: r148349

gcc/
	* tree.h (tree_base): Add packed_flag and user_align fields.
	Decrease size of spare field.
	(TYPE_USER_ALIGN): Use user_align from tree_base.
	(DECL_USER_ALIGN): Likewise.
	(TYPE_PACKED): Use packed_flag from tree_base.
	(DECL_PACKED): Likewise.
	(tree_type): Delete packed_flag and user_align fields.  Widen
	precision field.  Widen mode field and shuffle fields to align
	mode on an 8-bit boundary.
	(tree_decl_common): Delete decl_flag_1 and user_align fields.
	Renumber decl_flag_* fields.  Fix comments.  Widen
	decl_common_unused field.
	(DECL_HAS_VALUE_EXPR_P): Adjust for renumbering of decl_flag_*
	fields.
	(DECL_EXTERNAL): Likewise.
	(DECL_BIT_FIELD): Likewise.
	(DECL_NONADDRESSABLE_P): Likewise.
	(TYPE_DECL_SUPRESS_DEBUG): Likewise.
	* config/arm/arm-modes.def (XImode): Make it an INT_MODE.

gcc/testsuite/
	* gcc.target/arm/neon-modes-1.c: New test.

From-SVN: r148348

	* vec.h (DEF_VEC_ALLOC_I): Use DEF_VEC_NONALLOC_FUNCS_I.
	(DEF_VEC_ALLOC_P): Use DEF_VEC_NONALLOC_FUNCS_P.
	(DEF_VEC_ALLOC_O): Use DEF_VEC_NONALLOC_FUNCS_O.
	(DEF_VEC_ALLOC_FUNC_P): Only define VEC_OP (T,A,alloc).
	(DEF_VEC_NONALLOC_FUNCS_P): New macro, broken out of old
	DEF_VEC_ALLOC_FUNC_P.
	(DEF_VEC_ALLOC_FUNC_O): Only define VEC_OP (T,A,alloc).
	(DEF_VEC_NONALLOC_FUNCS_O): New macro, broken out of old
	DEF_VEC_ALLOC_FUNC_O.
	(DEF_VEC_ALLOC_FUNC_I): Only define VEC_OP (T,A,alloc).
	(DEF_VEC_NONALLOC_FUNCS_I): New macro, broken out of old
	DEF_VEC_ALLOC_FUNC_I.
	(vec_stack_p_reserve, vec_stack_p_reserve_exact): Declare.
	(vec_stack_p_reserve_exact_1): Declare.
	(vec_stack_o_reserve, vec_stack_o_reserve_exact): Declare.
	(vec_stack_free): Declare.
	(VEC_stack_alloc): Define.
	(DEF_VEC_ALLOC_P_STACK, DEF_VEC_ALLOC_FUNC_P_STACK): Define.
	(DEF_VEC_ALLOC_O_STACK, DEF_VEC_ALLOC_FUNC_O_STACK): Define.
	(DEF_VEC_ALLOC_I_STACK, DEF_VEC_ALLOC_FUNC_I_STACK): Define.
	* vec.c (void_p): New type.  Call DEF_VEC_P and DEF_VEC_ALLOC_P
	for void_p.
	(stack_vecs): New static variable.
	(vec_stack_p_reserve_exact_1): New function.
	(vec_stack_o_reserve_1): New static function.
	(vec_stack_p_reserve, vec_stack_p_reserve_exact): New functions.
	(vec_stack_o_reserve, vec_stack_o_reserve_exact): New functions.
	(vec_stack_free): New function.
	* df-scan.c (df_ref): Use DEF_VEC_P and DEF_VEC_ALLOC_P_STACK.
	(VEC_df_ref_stack_alloc): Define.
	(df_mw_hardreg_ptr): New type.  Use DEF_VEC_P and
	DEF_VEC_ALLOC_P_STACK.
	(VEC_df_mw_hardreg_ptr_stack_alloc): Define.
	(struct df_collection_rec): Change _vec fields to VEC.  Remove
	_use fields.
	(df_free_collection_rec): Adjust for new fields.
	(df_insn_rescan): Use new df_collection_rec fields.
	(df_notes_rescan, df_canonize_collection_rec): Likewise.
	(df_ref_create_structure, df_ref_record): Likewise.
	(df_get_conditional_uses, df_get_call_refs): Likewise.
	(df_insn_refs_collect, df_bb_refs_collect): Likewise.
	(df_bb_refs_record, df_record_entry_block_defs): Likewise.
	(df_record_exit_block_uses, df_bb_verify): Likewise.
	(df_swap_refs): Change ref_vec parameter to VEC.  Change all
	callers.
	(df_sort_and_compress_refs): Change ref_vec parameter to VEC.
	Remove count parameter.  Change return type to void.  Change all
	callers.
	(df_sort_and_compress_mws): Change mw_vec parameter to VEC.
	Remove count parameter.  Change return type to void.  Change all
	callers.
	(df_install_refs): Change old_vec parameter to VEC.  Remove count
	parameter.  Change all callers.
	(df_install_mws): Change old_vec parameter to VEC.  Remove count
	parameter.  Change all callers.
	(df_refs_verify): Change new_rec parameter to VEC.  Change call
	callers.
	(df_mws_verify): Likewise.

From-SVN: r148347