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 // When the debugger is triggered twice from the same stack frame, the same

 // Debugger.Frame object is passed to the hook both times.

 var g = newGlobal();

 var hits, frame;

 var dbg = Debugger(g);

 dbg.onDebuggerStatement = function (f) {

     if (hits++ == 0)

         frame = f;

     else

         assertEq(f, frame);

 };

 hits = 0;

 g.evaluate("debugger; debugger;");

 assertEq(hits, 2);

 hits = 0;

 g.evaluate("function f() { debugger; debugger; }  f();");

 assertEq(hits, 2);

 hits = 0;

 g.evaluate("eval('debugger; debugger;');");

 assertEq(hits, 2);