1 files changed, 36 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/loop-13.c b/gcc/testsuite/gcc.c-torture/execute/loop-13.c
new file mode 100644
index 000000000..d56c8293d
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/loop-13.c
@@ -0,0 +1,36 @@
+/* PR opt/7130 */
+#define TYPE long
+
+void
+scale (TYPE *alpha, TYPE *x, int n)
+{
+  int i, ix;
+
+  if (*alpha != 1)
+    for (i = 0, ix = 0; i < n; i++, ix += 2)
+      {
+	TYPE tmpr, tmpi;
+	tmpr = *alpha * x[ix];
+	tmpi = *alpha * x[ix + 1];
+	x[ix] = tmpr;
+	x[ix + 1] = tmpi;
+      }
+}
+
+int
+main (void)
+{
+  int i;
+  TYPE x[10];
+  TYPE alpha = 2;
+
+  for (i = 0; i < 10; i++)
+    x[i] = i;
+
+  scale (&alpha, x, 5);
+
+  if (x[9] != 18)
+    abort ();
+
+  return 0;
+}