re PR tree-optimization/68248 (ICE on valid code at -O3 on x86_64-linux-gnu in uniform_vector_p, at tree.c:10807)

2015-11-09  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/68248
	* tree-vect-generic.c (expand_vector_operations_1): Handle
	scalar rhs2.

	* gcc.dg/torture/pr68248.c: New testcase.

From-SVN: r230021