re PR tree-optimization/88934 (ICE: verify_gimple failed (Error: mismatching comparison operand types))

2019-01-21  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/88934
	* tree-vect-slp.c (vect_mask_constant_operand_p): Always look
	at the possibly non-constant operand.
	(vect_get_constant_vectors): Adjust.

	* gfortran.dg/pr88934.f90: New testcase.

From-SVN: r268115