re PR tree-optimization/42205 ([graphite] internal compiler error: verify_ssa...

re PR tree-optimization/42205 ([graphite] internal compiler error: verify_ssa failed with -ffast-math -floop-interchange)

Fix PR42205.

2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/42205
	* graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
	Insert the reduction copy in the same block as the phi node.
	(follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.

	* testsuite/gcc.dg/graphite/pr42205-1.c: New.
	* testsuite/gcc.dg/graphite/pr42205-2.c: New.

From-SVN: r155419