r235995 - in /branches/gcc-6-branch/gcc: Change...

[vries@gcc.gnu.org]

Author: vries
Date: Sat May  7 07:02:36 2016
New Revision: 235995

URL: https://gcc.gnu.org/viewcvs?rev=235995&root=gcc&view=rev
Log:
backport "Handle NULL def in build_cross_bb_scalars_def"

2016-05-07  Tom de Vries  <tom@codesourcery.com>

	backport:
	2016-05-07  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/70956
	* graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
	def.

	* gcc.dg/graphite/pr70956.c: New test.

Added:
    branches/gcc-6-branch/gcc/testsuite/gcc.dg/graphite/pr70956.c
Modified:
    branches/gcc-6-branch/gcc/ChangeLog
    branches/gcc-6-branch/gcc/graphite-scop-detection.c
    branches/gcc-6-branch/gcc/testsuite/ChangeLog