| // 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 --opt --no-always-opt |
| // The deopt count is stored in the feedback vector which gets cleared when |
| // bytecode is flushed, which --gc-interval can cause in stress modes. |
| // Flags: --noflush-bytecode --nostress-flush-bytecode |
| |
| function foo() {}; |
| %PrepareFunctionForOptimization(foo); |
| foo(); |
| foo(); |
| %OptimizeFunctionOnNextCall(foo); |
| foo(); |
| |
| assertOptimized(foo); |
| |
| // Unlink the function. |
| %DeoptimizeFunction(foo); |
| |
| assertUnoptimized(foo); |
| |
| foo(); |
| |
| assertUnoptimized(foo); |
