31a3cfbc10
BUG=v8:8801 Change-Id: I9d9d9824c6c9ad0176bbfd3723da1b578b17c256 Reviewed-on: https://chromium-review.googlesource.com/c/1495555 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Mythri Alle <mythria@chromium.org> Cr-Commit-Position: refs/heads/master@{#60001}
27 lines
686 B
JavaScript
27 lines
686 B
JavaScript
// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax --block-concurrent-recompilation --noalways-opt
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global = 1;
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function boom(value) {
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return global;
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}
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%PrepareFunctionForOptimization(boom);
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assertEquals(1, boom());
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assertEquals(1, boom());
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%OptimizeFunctionOnNextCall(boom, "concurrent");
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assertEquals(1, boom());
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this.__defineGetter__("global", () => 42);
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%UnblockConcurrentRecompilation();
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// boom should be deoptimized because the global property cell has changed.
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assertUnoptimized(boom, "sync");
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assertEquals(42, boom());
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