diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/arguments/rest-debugger.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/arguments/rest-debugger.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,17 @@
+var g = newGlobal();
+g.eval("function f(...x) {}");
+var dbg = new Debugger;
+var gw = dbg.addDebuggee(g);
+var fw = gw.getOwnPropertyDescriptor("f").value;
+assertEq(fw.parameterNames.toString(), "x");
+
+var g = newGlobal();
+g.eval("function f(...rest) { debugger; }");
+var dbg = Debugger(g);
+dbg.onDebuggerStatement = function (frame) {
+    var result = frame.eval("arguments");
+    assertEq("throw" in result, true);
+    var result2 = frame.evalWithBindings("exc instanceof SyntaxError", {exc: result.throw});
+    assertEq(result2.return, true);
+};
+g.f();
\ No newline at end of file