1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/graphite/pr18792.c b/gcc/testsuite/gcc.dg/graphite/pr18792.c
new file mode 100644
index 000000000..4e93fe145
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/graphite/pr18792.c
@@ -0,0 +1,16 @@
+/* PR tree-optimization/18792 */
+/* { dg-do compile } */
+/* { dg-options "-O1 -ftree-loop-linear" } */
+void put_atoms_in_triclinic_unitcell(float x[][3])
+{
+	int i=0,d;
+
+	while (x[i][3] < 0)
+		for (d=0; d<=3; d++)
+			x[i][d] = 0;
+
+	while (x[i][3] >= 0)
+		for (d=0; d<=3; d++)
+			x[i][d] = 0;
+
+}