diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index fa4247ac1651..a26bf6136c16 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2018-10-22  Richard Biener  <rguenther@suse.de>
+
+	* gcc.dg/graphite/scop-4.c: Avoid out-of-bound access.
+
 2018-10-22  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* gnat.dg/sso14.adb: New test.
diff --git a/gcc/testsuite/gcc.dg/graphite/scop-4.c b/gcc/testsuite/gcc.dg/graphite/scop-4.c
index 4fb0e5ea4718..eeaa7fa02bce 100644
--- a/gcc/testsuite/gcc.dg/graphite/scop-4.c
+++ b/gcc/testsuite/gcc.dg/graphite/scop-4.c
@@ -3,7 +3,7 @@ void bar ();
 int toto()
 {
   int i, j, k;
-  int a[100][100];
+  int a[100][200];
   int b[100];
 
   for (i = 1; i < 100; i++)