re PR tree-optimization/60979 (ICE: in gimple_redirect_edge_and_branch_force, at tree-cfg.c:5544, w/ -O -ftree-loop-linear or -fgraphite-identity)

2014-04-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/60979
	* graphite-scop-detection.c (scopdet_basic_block_info): Reject
	SCOPs that end in a block with a successor with abnormal
	predecessors.

	* gcc.dg/graphite/pr60979.c: New testcase.

From-SVN: r209859