| // Copyright 2016 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(x) { | |
| return x & x; | |
| } | |
| foo(1); | |
| foo(2); | |
| function bar(x) { | |
| foo(x); | |
| }; | |
| %PrepareFunctionForOptimization(bar); | |
| %OptimizeFunctionOnNextCall(bar); | |
| assertThrows(() => bar(Symbol.toPrimitive)); |