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 var g = newGlobal();

 g.eval("function f() {\n" +

        "    debugger;\n" +

        "}\n")

 var dbg = new Debugger(g);

 var handler = {};

 dbg.onDebuggerStatement = function (frame) {

   frame.script.setBreakpoint(0, {});

 };

 // create breakpoint

 g.f()

 // drop our references to things

 handler = undefined;

 dbg.onDebuggerStatement = undefined;

 dbg.removeAllDebuggees();

 gc();

 //create garbage to trigger a minor GC

 var x;

 for (var i = 0; i < 100; ++i)

     x = {};

 gc();