* expr.c (store_expr): When copying string constant into array,

	* expr.c (store_expr): When copying string constant into array,
	use functions that update memrefs instead of computations on
	addresses to better track MEMs.  Also properly handle 32/64 pointers.
	(expand_expr): Use TARGET even if not reg for multi-word CONSTRUCTOR.
	(expand_expr, case CONSTRUCTOR): Fix errors in parms to assign_temp.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@47663 138bc75d-0d04-0410-961f-82ee72b054a4