diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testSlowNativeBail.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testSlowNativeBail.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,10 @@
+function testSlowNativeBail() {
+    var a = ['0', '1', '2', '3', '+'];
+    try {
+	for (var i = 0; i < a.length; i++)
+	    new RegExp(a[i]);
+    } catch (exc) {
+        assertEq(""+exc, "SyntaxError: invalid quantifier");
+    }
+}
+testSlowNativeBail();