add missing testcase

Co-Authored-By: Sebastian Pop <s.pop@samsung.com>

From-SVN: r232810

gcc/testsuite/ChangeLog

+2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
+	    Sebastian Pop  <s.pop@samsung.com>
+
+	* gcc.dg/graphite/pr69292.c: New.
+
 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
 
 	* c-c++-common/goacc/use_device-1.c: New test.

gcc/testsuite/gcc.dg/graphite/pr69292.c

+/* { dg-options "-O2 -floop-nest-optimize" } */
+
+int m[1];
+
+void
+foo (double a[20][20], double b[20])
+{
+  int i, j, k;
+
+  for (i = 0; i < m[0]; ++i)
+    for (j = 0; j < m[0]; ++j)
+      a[i][j] = a[i][j] + 1;
+
+  for (k = 0; k < 20; ++k)
+    for (i = 0; i < m[0]; ++i)
+      for (j = 0; j < m[0]; ++j)
+	b[i] = b[i] + a[i][j];
+}
+