if (!this.SharedArrayBuffer) quit(); function mod(stdlib) { add = stdlib.Atomics.add; function f3() { add(i8a, 0 | 0 && this && BUGNUMBER, 0); } return {f3: f3, 0: 0}; } i8a = new Int8Array(new SharedArrayBuffer(1)); var { f3 } = mod(this, {}) for (i = 0; i < 1000; i++) f3();