55e8d61391
With bytecode flushing and lazy feedback allocation, we need to call %PrepareForOptimization before we call %OptimizeFunctionOnNextCall Bug: v8:8801, v8:8394 Change-Id: I1f84477a8cef27b4cff61b54daf6fe1a9e5f8e76 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1591775 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Cr-Commit-Position: refs/heads/master@{#61148}
23 lines
446 B
JavaScript
23 lines
446 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
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const r = /x/;
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let counter = 0;
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r.exec = () => { counter++; return null; }
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function f() {
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r.test("ABcd");
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}
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%PrepareFunctionForOptimization(f);
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f();
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assertEquals(1, counter);
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%OptimizeFunctionOnNextCall(f);
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f();
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assertEquals(2, counter);
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