3edf54337a
... to --turbo-dynamic-map-checks. With the upcoming use in NCI code, this feature is no longer used exclusively by Turboprop. Bug: v8:8888 Change-Id: I61e01db086fd2e8566d2e2a09574be74b6e5a7bd Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2546693 Commit-Queue: Mythri Alle <mythria@chromium.org> Reviewed-by: Mythri Alle <mythria@chromium.org> Auto-Submit: Jakob Gruber <jgruber@chromium.org> Cr-Commit-Position: refs/heads/master@{#71263}
26 lines
626 B
JavaScript
26 lines
626 B
JavaScript
// Copyright 2020 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 --turbo-dynamic-map-checks --opt --no-always-opt
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function bar(obj) {
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// Add two dummy loads to make sure obj.b is in the same slot index as obj.a
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// in foo.
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obj.y;
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obj.x;
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return obj.b
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}
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function foo(obj) {
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bar(obj);
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return obj.a;
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}
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var obj = { a: 10, b: 20};
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%PrepareFunctionForOptimization(foo);
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%EnsureFeedbackVectorForFunction(bar);
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foo(obj);
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(10, foo(obj));
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