diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/debug/uncaughtExceptionHook-02.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/debug/uncaughtExceptionHook-02.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,12 @@
+// Returning a bad resumption value causes an exception that is reported to the
+// uncaughtExceptionHook.
+
+var g = newGlobal();
+var dbg = new Debugger(g);
+dbg.onDebuggerStatement = function () { return {oops: "bad resumption value"}; };
+dbg.uncaughtExceptionHook = function (exc) {
+    assertEq(exc instanceof TypeError, true);
+    return {return: "pass"};
+};
+
+assertEq(g.eval("debugger"), "pass");