1function foo(a, i, p) { 2 if (p || !DFGTrue()) 3 return [DFGTrue(), a[(i - (DFGTrue() ? 2147483646 : 0)) | 0], a[i], a[(i + (DFGTrue() ? 2147483646 : 0)) | 0], DFGTrue()]; 4 return [12]; 5} 6 7noInline(foo); 8 9function arraycmp(a, b) { 10 if (a.length != b.length) 11 return false; 12 for (var i = 0; i < a.length; ++i) { 13 if (a[i] != b[i]) 14 return false; 15 } 16 return true; 17} 18 19for (var i = 0; i < 100000; ++i) { 20 var result = foo([42], 0, false); 21 if (!arraycmp(result, [false, 42, 42, 42, false]) && !arraycmp(result, [12])) 22 throw "Error: bad result for i = " + i + ": " + result; 23} 24 25var result = foo([1, 2, 3, 4, 5], -2147483646, true); 26if (!arraycmp(result, [true, 5, void 0, void 0, false]) 27 && !arraycmp(result, [false, void 0, void 0, void 0, false])) 28 throw "Error: bad result for trick: " + result; 29