re PR tree-optimization/52046 (ICE: verify_gimple failed: invalid operands in ternary operation with -O -fexceptions -fnon-call-exceptions -ftree-vectorize)

	PR tree-optimization/52046
	* tree-vect-patterns.c (check_bool_pattern): Give up if
	a comparison could throw.

	* gcc.dg/pr52046.c: New test.

From-SVN: r183724