| // Copyright 2020 the V8 project authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style license that can be | |
| // found in the LICENSE file. | |
| // Flags: --allow-natives-syntax | |
| function foo() { | |
| return arguments[1][0] === arguments[0]; | |
| } | |
| %PrepareFunctionForOptimization(foo); | |
| assertFalse(foo(0, 0)); | |
| assertFalse(foo(0, 0)); | |
| %OptimizeFunctionOnNextCall(foo); | |
| assertThrows(foo, TypeError); |