function foo(a, i, p) { if (p || !DFGTrue()) return [DFGTrue(), a[(i - (DFGTrue() ? 2147483646 : 0)) | 0], a[i], a[(i + (DFGTrue() ? 2147483646 : 0)) | 0], DFGTrue()]; return [12]; } noInline(foo); function arraycmp(a, b) { if (a.length != b.length) return false; for (var i = 0; i < a.length; ++i) { if (a[i] != b[i]) return false; } return true; } for (var i = 0; i < 100000; ++i) { var result = foo([42], 0, false); if (!arraycmp(result, [false, 42, 42, 42, false]) && !arraycmp(result, [12])) throw "Error: bad result for i = " + i + ": " + result; } var result = foo([1, 2, 3, 4, 5], -2147483646, true); if (!arraycmp(result, [true, 5, void 0, void 0, false]) && !arraycmp(result, [false, void 0, void 0, void 0, false])) throw "Error: bad result for trick: " + result;