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 // If one Debugger's onPop handler causes another Debugger to create a

 // Debugger.Frame instance referring to the same frame, that frame still

 // gets marked as not live after all the onPop handlers have run.

 var g = newGlobal();

 var dbg1 = new Debugger(g);

 var dbg2 = new Debugger(g);

 var log;

 var frame2;

 dbg1.onEnterFrame = function handleEnter(frame) {

     log += '(';

     frame.onPop = function handlerPop1(c) {

         log += ')';

         frame2 = dbg2.getNewestFrame();

         assertEq(frame2.live, true);

         frame2.onPop = function handlePop2(c) {

             assertEq("late frame's onPop handler ran",

                      "late frame's onPop handler should not run");

         };

     };

 };

 log = '';

 assertEq(g.eval('40 + 2'), 42);

 assertEq(log, '()');

 assertEq(frame2.live, false);