re PR tree-optimization/57122 (ICE in verify_loop_structure, at cfgloop.c:1647 (loop n’s latch does not have an edge to its header !))

2013-04-30  Richard Biener  <rguenther@suse.de>

	PR middle-end/57122
	* cfghooks.c (split_edge): Properly check for the loop
	latch edge.

	* gcc.dg/torture/pr57122.c: New testcase.

From-SVN: r198456