* tree-vrp.c (compare_values): Short circuit INTEGER_CST;

	use fold_constant_to_binary; tolerate wrong type constants.
	(value_intersect_p): Do just two tests.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@119619 138bc75d-0d04-0410-961f-82ee72b054a4