Bug 838014 (follow-up) - Bustage fix for 19857f43d44b on a CLOSED TREE. r=me.

js/src/vm/Debugger.cpp

@@ -3811,7 +3811,7 @@ DebuggerGenericEval(JSContext *cx, const char *fullMethodName,
     JS::Anchor<JSString *> anchor(stable);
     AbstractFramePtr frame = iter ? iter->abstractFramePtr() : NullFramePtr();
     bool ok = EvaluateInEnv(cx, env, thisv, frame, stable->chars(), stable->length(),
-                            "debugger eval code", 1, rval.address());
+                            "debugger eval code", 1, &rval);
     return dbg->receiveCompletionValue(ac, ok, rval, vp);
 }