diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/debug/Object-defineProperties-02.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/debug/Object-defineProperties-02.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,33 @@
+// Exceptions thrown by obj.defineProperties are copied into the debugger compartment.
+
+var g = newGlobal();
+var dbg = new Debugger;
+var gw = dbg.addDebuggee(g);
+
+function test(objexpr, descs) {
+    var exca, excb;
+
+    g.eval("obj = (" + objexpr + ");");
+    var gobjw = gw.getOwnPropertyDescriptor("obj").value;
+    try {
+        gobjw.defineProperties(descs);
+    } catch (exc) {
+        exca = exc;
+    }
+
+    var indirectEval = eval;
+    var obj = indirectEval("(" + objexpr + ");");
+    try {
+        Object.defineProperties(obj, descs);
+    } catch (exc) {
+        excb = exc;
+    }
+
+    assertEq(Object.getPrototypeOf(exca), Object.getPrototypeOf(excb));
+    assertEq(exca.message, excb.message);
+    assertEq(typeof exca.fileName, "string");
+    assertEq(typeof exca.stack, "string");
+}
+
+test("Object.create(null, {p: {value: 1}})", {p: {value: 2}});
+test("({})", {x: {get: 'bad'}});