// |jit-test| --fast-warmup; --no-threads let arr = new Uint8Array(2 ** 32); let out = {x: 42n}; function oobRead(arr, out, idx) { let idx1 = (idx + 100) | 0; let idx2 = (idx + (2 ** 31 - 1)) | 0; let r1 = arr[idx1]; let r2 = arr[idx2]; out.x = BigInt(idx2); return r2; } function test() { for (let i = 0; i < 5000; i++) { oobRead(arr, out, -50); } assertEq(oobRead(arr, out, 2 ** 31 - 200), undefined); } test();