fold-const.c (fold_convertible_p): Don't return true for conversion of VECTOR_TYPE to same sized integral type.

	* fold-const.c (fold_convertible_p): Don't return true
	for conversion of VECTOR_TYPE to same sized integral type.
	(fold_convert_loc): Fix up formatting.  Fold conversion of
	VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
	instead of NOP_EXPR.

From-SVN: r232236