* builtins.c (expand_builtin_strcpy): Delete duplicate code.
	Accept an expression instead of an arglist.
	(expand_builtin_stpcpy): Accept an expression instead of an
	arglist.

testsuite:
	* gcc.c-torture/execute/builtins/lib/strcpy.c: Don't abort when
	optimizing for size.

From-SVN: r88604