ae1af6a568
Bug: v8:8394, v8:8801, v8:9183 Change-Id: I29ff1a6dda97e89335b30fcc8c380bcb4055e1fb Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1664690 Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Commit-Queue: Mythri Alle <mythria@chromium.org> Cr-Commit-Position: refs/heads/master@{#62254}
72 lines
2.7 KiB
JavaScript
72 lines
2.7 KiB
JavaScript
// Copyright 2013 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Flags: --expose-gc --allow-natives-syntax
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// Flags: --concurrent-recompilation --block-concurrent-recompilation
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// Flags: --opt --no-always-opt
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if (!%IsConcurrentRecompilationSupported()) {
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print("Concurrent recompilation is disabled. Skipping this test.");
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quit();
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}
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function test(fun) {
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%PrepareFunctionForOptimization(fun);
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fun();
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fun();
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// Mark for concurrent optimization.
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%OptimizeFunctionOnNextCall(fun, "concurrent");
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// Kick off recompilation.
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fun();
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// Tenure cons string after compile graph has been created.
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gc();
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// In the mean time, concurrent recompiling is still blocked.
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assertUnoptimized(fun, "no sync");
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// Let concurrent recompilation proceed.
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%UnblockConcurrentRecompilation();
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// Concurrent recompilation eventually finishes, embeds tenured cons string.
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assertOptimized(fun, "sync");
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// Visit embedded cons string during mark compact.
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gc();
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}
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function f() {
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return "abcdefghijklmn" + "123456789";
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}
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function g() {
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return "abcdefghijklmn\u2603" + "123456789";
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}
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function h() {
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return "abcdefghijklmn\u2603" + "123456789\u2604";
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}
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test(f);
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test(g);
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test(h);
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