michael@0: // |jit-test| debug
michael@0: // Debugger.Script instances with live referents stay alive.
michael@0: 
michael@0: var N = 4;
michael@0: var g = newGlobal();
michael@0: var dbg = new Debugger(g);
michael@0: var i;
michael@0: dbg.onDebuggerStatement = function (frame) {
michael@0:     assertEq(frame.script instanceof Debugger.Script, true);
michael@0:     frame.script.id = i;
michael@0: };
michael@0: 
michael@0: g.eval('var arr = [];')
michael@0: for (i = 0; i < N; i++)  // loop to defeat conservative GC
michael@0:     g.eval("arr.push(function () { debugger }); arr[arr.length - 1]();");
michael@0: 
michael@0: gc();
michael@0: 
michael@0: var hits;
michael@0: dbg.onDebuggerStatement = function (frame) {
michael@0:     hits++;
michael@0:     assertEq(frame.script.id, i);
michael@0: };
michael@0: hits = 0;
michael@0: for (i = 0; i < N; i++)
michael@0:     g.arr[i]();
michael@0: assertEq(hits, N);