diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/debug/Frame-evalWithBindings-03.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/debug/Frame-evalWithBindings-03.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,16 @@
+// arguments works in evalWithBindings (it does not interpose a function scope)
+var g = newGlobal();
+var dbg = new Debugger;
+var global = dbg.addDebuggee(g);
+var hits = 0;
+dbg.onDebuggerStatement = function (frame) {
+    var argc = frame.arguments.length;
+    assertEq(argc, 7);
+    assertEq(frame.evalWithBindings("arguments[prop]", {prop: "length"}).return, argc);
+    for (var i = 0; i < argc; i++)
+        assertEq(frame.evalWithBindings("arguments[i]", {i: i}).return, frame.arguments[i]);
+    hits++;
+};
+g.eval("function f() { debugger; }");
+g.eval("f(undefined, -0, NaN, '\uffff', Array.prototype, Math, f);");
+assertEq(hits, 1);