1 // Copyright 2016 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 f() { 8 var arguments_ = arguments; 9 if (undefined) { 10 while (true) { 11 arguments_[0]; 12 } 13 } else { 14 %DeoptimizeNow(); 15 return arguments_[0]; 16 } 17 }; 18 19 f(0); 20 f(0); 21 %OptimizeFunctionOnNextCall(f); 22 assertEquals(1, f(1)); 23 24 function g() { 25 var a = arguments; 26 %DeoptimizeNow(); 27 return a.length; 28 } 29 30 g(1); 31 g(1); 32 %OptimizeFunctionOnNextCall(g); 33 assertEquals(1, g(1)); 34
