for (let forceFullParse of [true, false]) { assertEq(Object.prototype.toString, evaluate(`{ class C extends Object { f() { let x = "toString"; return () => super[x]; } } (new C).f()() }`, { forceFullParse })); assertEq(Object.prototype.toString, evaluate(`{ class C extends Object { f() { let x = "toString"; return () => eval("super[x]"); } } (new C).f()() }`, { forceFullParse })); assertEq(Object.prototype.toString, evaluate(`{ class C extends Object { f() { let x = "toString"; return () => eval("() => super[x]"); } } (new C).f()()() }`, { forceFullParse })); }