* c-common.c (statement_code_p): Handle CLEANUP_STMT.

	* c-common.c (statement_code_p): Handle CLEANUP_STMT.
	* c-common.def (CLEANUP_STMT): New tree node.
	* c-common.h (CLEANUP_DECL): New macro.
	(CLEANUP_EXPR): Likewise.
	* c-semantics.c (expand_stmt): Handle CLEANUP_STMT.
	* tree-dump.c (dequeue_and_dump): Handle CLEANUP_STMT.
	* tree-inline.c (initialize_inlined_parameters): Clean up
	new local variables.

	* cp-tree.h (CLEANUP_DECL): Remove.
	(CLEANUP_EXPR): Likewise.
	* decl.c (destroy_local_var): Simplify.
	(maybe_build_cleanup): Tidy.
	* dump.c (cp_dump_tree): Remove handling of CLEANUP_STMT.
	* semantics.c (cp_expand_stmt): Likewise.
	* cp/tree.c (cp_statement_code_p): Likewise.

	* g++.dg/opt/dtor1.C: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50830 138bc75d-0d04-0410-961f-82ee72b054a4