1 files changed, 13 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/testThinLoopDemote.js b/js/src/jit-test/tests/basic/testThinLoopDemote.js
new file mode 100644
index 0000000000..b26c460a78
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testThinLoopDemote.js
@@ -0,0 +1,13 @@
+function testThinLoopDemote() {
+    function f()
+    {
+        var k = 1;
+        for (var n = 0; n < 4; n++) {
+            k = (k * 10);
+        }
+        return k;
+    }
+    f();
+    return f();
+}
+assertEq(testThinLoopDemote(), 10000);