diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testSwitch.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testSwitch.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,25 @@
+function testSwitch() {
+    var x = 0;
+    var ret = 0;
+    for (var i = 0; i < 100; ++i) {
+        switch (x) {
+            case 0:
+                ret += 1;
+                break;
+            case 1:
+                ret += 2;
+                break;
+            case 2:
+                ret += 3;
+                break;
+            case 3:
+                ret += 4;
+                break;
+            default:
+                x = 0;
+        }
+        x++;
+    }
+    return ret;
+}
+assertEq(testSwitch(), 226);