vec.h (FOR_EACH_VEC_ELT_REVERSE): New macro.

vec.h (FOR_EACH_VEC_ELT_REVERSE): New macro.

gcc/
	* vec.h (FOR_EACH_VEC_ELT_REVERSE): New macro.
	* function.h (struct_function): Change type of local_decls field
	to a VEC.
	(add_local_decl): New function.
	(FOR_EACH_LOCAL_DECL): New macro.
	* cfgexpand.c (init_vars_expansion): Adjust for new type of
	cfun->local_decls.
	(estimated_stack_frame_size): Likewise.
	(expand_used_vars): Likewise.
	* cgraphbuild.c (build_cgraph_edges): Likewise.
	* function.c (instantiate_decls_1): Likewise.
	* ipa-struct-reorg.c (build_data_structure): Likewise.
	* ipa-type-escape.c (analyze_function): Likewise.
	* lto-streamer-in.c (input_function): Likewise.
	* lto-streamer-out.c (output_function): Likewise.
	* tree-ssa-live.c (remove_unused_locals): Likewise.
	* tree.c (free_lang_data_in_decl): Likewise.
	(find_decls_types_in_node): Likewise.
	* omp-low.c (remove_exit_barrier): Likewise.
	(expand_omp_taskreg): Likewise.
	(list2chain): Rename to...
	(vec2chain): ...this.  Adjust.
	* cgraphunit.c (assemble_thunk): Call add_local_decl.
	* tree-cfg.c (replace_by_duplicate_decl): Likewise.
	* gimple-low.c (record_vars_into): Likewise.
	* tree-inline.c (remap_decls): Likewise.
	(declare_return_variable): Likewise.
	(declare_inline_vars): Likewise.
	(copy_forbidden): Adjust for new type of cfun->local_decls.
	(add_local_variables): New function.
	(expand_call_inline): Call it.
	(tree_function_versioning): Likewise.

gcc/cp/
	* decl.c (cp_finish_decl): Call add_local_decl.
	* optimize.c (clone_body): Adjust for new type of cfun->local_decls.

From-SVN: r161862