text: // frame.eval can evaluate code in a frame pushed in another context. Bug 749697.
  
  // In other words, the debugger can see all frames on the stack, even though
  // each frame is attached to a particular JSContext and multiple JSContexts may
  // have frames on the stack.
  
  var g = newGlobal();
  g.eval('function f(a) { debugger; evaluate("debugger;", {newContext: true}); }');
  
  var dbg = new Debugger(g);
  var hits = 0;
  dbg.onDebuggerStatement = function (frame1) {
      dbg.onDebuggerStatement = function (frame2) {
          assertEq(frame1.eval("a").return, 31);
          hits++;
      };
  };
  
  g.f(31);
  assertEq(hits, 1);
  