re PR tree-optimization/67741 (Invalid built-in usage should not cause segmentation fault in compiler)

2015-09-29  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/67741
	* tree-ssa-math-opts.c (pass_cse_sincos::execute): Only recognize
	builtin calls with correct signature.

	* gcc.dg/torture/pr67741.c: New testcase.

From-SVN: r228243