2008-08-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/36691
	* tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Correctly
	check for no_overflow.

	* gcc.c-torture/execute/pr36691.c: New testcase.

From-SVN: r138645