re PR middle-end/57412 (ICE: in verify_loop_structure, at cfgloop.c:1647: loop 1's latch does not have an edge to its header with -fopenmp -fipa-pure-const)

2013-05-27  Richard Biener  <rguenther@suse.de>

	PR middle-end/57412
	* omp-low.c (expand_omp_atomic_pipeline): Use the correct latch
	block for the new loop.

	* gcc.dg/gomp/pr57412.c: New testcase.

From-SVN: r199359