diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/debug/Frame-evalWithBindings-08.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/debug/Frame-evalWithBindings-08.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,13 @@
+// evalWithBindings ignores non-enumerable and non-own properties.
+var g = newGlobal();
+var dbg = new Debugger(g);
+var hits = 0;
+dbg.onDebuggerStatement = function (frame) {
+    assertEq(frame.evalWithBindings("toString + constructor + length", []).return, 112233);
+    var obj = Object.create({constructor: "FAIL"}, {length: {value: "fail"}});
+    assertEq(frame.evalWithBindings("toString + constructor + length", obj).return, 112233);
+    hits++;
+};
+g.eval("function f() { var toString = 111111, constructor = 1111, length = 11; debugger; }");
+g.f();
+assertEq(hits, 1);