Fix PR43083: Do not handle regions ending with multiple edges on the exit BB.

Fix PR43083: Do not handle regions ending with multiple edges on the exit BB.

2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/43083
	* graphite-scop-detection.c (create_single_exit_edge): Move
	the call to find_single_exit_edge to....
	(create_sese_edges): ...here.  Don't handle multiple edges
	exiting the function.
	(build_graphite_scops): Don't handle multiple edges
	exiting the function.

	* gcc.dg/graphite/pr43083.c: New.

From-SVN: r156997