re PR rtl-optimization/55270 (ICE in get_loop_body, at cfgloop.c:823)

2013-01-29  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/55270
	* tree-ssa-dom.c (eliminate_degenerate_phis): If we changed
	the CFG, schedule loops for fixup.

	* gcc.dg/torture/pr55270.c: New testcase.

From-SVN: r195533