2007-03-09  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/30904
	PR middle-end/31058
	* tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
	the same way as *_DIV_EXPR.

	* gcc.dg/pr30904.c: Remove xfail.

From-SVN: r122748