expr.c (expand_expr, [...]): Don't fold constant access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.

	* expr.c (expand_expr, case ARRAY_REF): Don't fold constant
	access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
	(expand_expr, case COMPONENT_REF): Do copy if misaligned even
	if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.

From-SVN: r42361