diff --git a/tests/cn/simple_loop.c b/tests/cn/simple_loop.c
new file mode 100644
index 000000000..77b6394f6
--- /dev/null
+++ b/tests/cn/simple_loop.c
@@ -0,0 +1,12 @@
+
+
+
+int
+simple_loop (int y)
+{
+  while (0)
+  {
+  }
+  return y;
+}
+