fc4483e740
Bug: v8:7700 Change-Id: I92596898718a57ea9d8fbd002306aa45a8e9a549 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3821206 Reviewed-by: Victor Gomes <victorgomes@chromium.org> Commit-Queue: 王澳 <wangao.james@bytedance.com> Cr-Commit-Position: refs/heads/main@{#82346}
24 lines
582 B
JavaScript
24 lines
582 B
JavaScript
// Copyright 2022 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 --maglev --no-stress-opt --no-always-turbofan
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var b = 1;
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function foo(x) {
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return b + x
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}
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%PrepareFunctionForOptimization(foo);
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assertEquals(2, foo(1));
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assertEquals(3, foo(2));
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%OptimizeMaglevOnNextCall(foo);
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assertEquals(4, foo(3));
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assertEquals(5, foo(4));
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assertTrue(isMaglevved(foo));
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// We should deopt here.
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b = 2
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assertEquals(7, foo(5));
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assertFalse(isMaglevved(foo))
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