re PR rtl-optimization/52803 (ICE: in ira, at ira.c:3616 with -fno-move-loop-invariants on almost any code)

2012-04-02  Richard Guenther  <rguenther@suse.de>

	PR middle-end/52803
	* loop-init.c (gate_handle_loop2): Destroy loops here if
	we don't enter RTL loop optimizers.

	* gcc.dg/pr52803.c: New testcase.

From-SVN: r186080