re PR tree-optimization/58473 (FAIL: ext/random/normal_mv_distribution/cons/default.cc (test for excess errors))

2013-09-20  Richard Biener  <rguenther@suse.de>

	PR middle-end/58473
	* tree-chrec.h (build_polynomial_chrec): Use gcc_checking_assert,
	make type comparison less strict.

From-SVN: r202774