2016-03-16  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/68715
	* graphite-scop-detection.c (scop_detection::merge_sese): Add missing
	single_pred_p test.

	* gcc.dg/graphite/pr68715-2.c: New test.
	* gcc.dg/graphite/pr68715.c: New test.
	* gfortran.dg/graphite/pr68715.f90: New test.

From-SVN: r234251