re PR tree-optimization/66142 (Loop is not vectorized because not sufficient support for GOMP_SIMD_LANE)

2015-05-26  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/66142
	* tree-ssa-sccvn.c (vn_reference_lookup_3): Manually compare
	MEM_REFs for the same base address.

	* gcc.dg/tree-ssa/ssa-fre-44.c: New testcase.

From-SVN: r223697