2013-05-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/57343
	* tree-ssa-loop-niter.c (number_of_iterations_ne_max): Do not
	use multiple_of_p if not TYPE_OVERFLOW_UNDEFINED.
	(number_of_iterations_cond): Do not build the folded tree.

	* gcc.dg/torture/pr57343.c: New testcase.

From-SVN: r199357