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 // |jit-test| exitstatus: 6;

 setJitCompilerOption("baseline.usecount.trigger", 1);

 setJitCompilerOption("ion.usecount.trigger", 2);

 // The timepout function is made to trigger the interruption callback. The

 // interruption callback will protect the code while a GC might be

 // marking/updating pointers in it.

 var x = 0;

 function interrupt_gc() {

   if (x++ >= 20)

     return;

   timeout(0.1, interrupt_gc);

   while(x < 20)

     gc();

 }

 interrupt_gc();