2016-05-20  Marc Glisse  <marc.glisse@inria.fr>

	PR tree-optimization/71079
	PR tree-optimization/71206
gcc/
	* match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.

gcc/testsuite/
	* gcc.dg/tree-ssa/pr71206.c: New testcase.

From-SVN: r236504