re PR tree-optimization/81083 (ICE: Unable to coalesce ssa_names 4 and 13 which are marked as MUST COALESCE)

2017-06-14  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/81083
	* tree-ssa-sccvn.c (vn_reference_lookup_3): Do not use abnormals
	as values.

	* gcc.dg/torture/pr81083.c: New testcase.

From-SVN: r249182