// Don't crash when a scripted proxy handler throws Error.prototype. var g = newGlobal({newCompartment: true}); var dbg = Debugger(g); dbg.onDebuggerStatement = function (frame) { try { frame.arguments[0].deleteProperty("x"); } catch (exc) { return; } throw new Error("deleteProperty should throw"); }; g.eval("function h(obj) { debugger; }"); g.eval("h(new Proxy({}, { deleteProperty() { throw Error.prototype; }}));");