gcc:

2012-10-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/55008
	* gimple-ssa-strength-reduction.c (find_basis_for_candidate): Don't
	allow a candidate to be a basis for itself under another interpretation.

gcc/testsuite:

2012-10-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/55008
	* gcc.dg/tree-ssa/pr55008.c: New test.

From-SVN: r192696