expr.c (expand_expr, [...]): Do not replace an array element with the known initializing value if...

	* expr.c (expand_expr, case ARRAY_REF): Do not replace
	an array element with the known initializing value if it has
	side-effects.

	* toplev.c (rest_of_compilation): Remove dead code before
	purge_addressof.

From-SVN: r43120