diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testMatchStringObject.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testMatchStringObject.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,8 @@
+function testMatchStringObject() {
+    var a = new String("foo");
+    var b;
+    for (i = 0; i < 300; i++)
+        b = a.match(/bar/);
+    return b;
+}
+assertEq(testMatchStringObject(), null);