michael@0: // |jit-test| exitstatus: 6;
michael@0: 
michael@0: setJitCompilerOption("baseline.usecount.trigger", 1);
michael@0: setJitCompilerOption("ion.usecount.trigger", 2);
michael@0: 
michael@0: // The timepout function is made to trigger the interruption callback. The
michael@0: // interruption callback will protect the code while a GC might be
michael@0: // marking/updating pointers in it.
michael@0: var x = 0;
michael@0: function interrupt_gc() {
michael@0:   if (x++ >= 20)
michael@0:     return;
michael@0:   timeout(0.1, interrupt_gc);
michael@0:   while(x < 20)
michael@0:     gc();
michael@0: }
michael@0: 
michael@0: interrupt_gc();