* tree-vrp.c (vrp_shift_undefined_p): Remove.
	(extract_range_from_binary_expr_1: Call
	wide_int_range_shift_undefined_p instead of vrp_shift_undefined_p.
	* wide-int-range.h (wide_int_range_shift_undefined_p): Do not
	depend on sign.

From-SVN: r264228