1 // Copyright 2015 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Flags: --allow-natives-syntax 6 7 function f1(a, i) { 8 return a[i] + 0.5; 9 } 10 var arr = [,0.0,2.5]; 11 assertEquals(0.5, f1(arr, 1)); 12 assertEquals(0.5, f1(arr, 1)); 13 %OptimizeFunctionOnNextCall(f1); 14 assertEquals(0.5, f1(arr, 1)); 15 16 // Trick crankshaft into accepting feedback with the array prototype 17 // map even though a call on that map was never made. optopush should 18 // refuse to inline the push call based on the danger that it's modifying 19 // the array prototype. 20 var push = Array.prototype.push; 21 var array_prototype = Array.prototype; 22 23 function optopush(a) { 24 push.call(a, 1); 25 } 26 27 function foo() { 28 optopush(array_prototype); 29 } 30 31 optopush([]); 32 optopush([]); 33 optopush([]); 34 %OptimizeFunctionOnNextCall(foo); 35 foo(); 36 assertEquals(1.5, f1(arr, 0)); 37
