re PR tree-optimization/66101 (internal compiler error: in verify_loop_structure, at cfgloop.c:1662)

2015-05-12  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/66101
	* tree-ssa-dce.c (remove_dead_stmt): Properly mark loops for
	fixup if we turn a loop exit edge to a fallthru edge.

	* gcc.dg/torture/pr66101.c: New testcase.

From-SVN: r223065