| // Copyright 2018 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 --block-concurrent-recompilation --noalways-opt |
| |
| global = 1; |
| |
| function boom(value) { |
| return global; |
| } |
| |
| %PrepareFunctionForOptimization(boom); |
| assertEquals(1, boom()); |
| assertEquals(1, boom()); |
| %OptimizeFunctionOnNextCall(boom, "concurrent"); |
| assertEquals(1, boom()); |
| |
| delete this.global; |
| |
| %UnblockConcurrentRecompilation(); |
| |
| // boom should be deoptimized because the global property cell has changed. |
| assertUnoptimized(boom, "sync"); |
| |
| assertThrows(boom); |
