| // Copyright 2017 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 --noturbofan --no-always-turbofan | |
| // Check that --noturbofan actually works. | |
| function f() { | |
| return 42; | |
| }; | |
| %PrepareFunctionForOptimization(f); | |
| f(); | |
| f(); | |
| %OptimizeFunctionOnNextCall(f); | |
| f(); | |
| assertUnoptimized(f); |