e3e8ea5d65
To be consistent with the all the other tiers and avoid confusion, we rename --opt to ---turbofan, and --always-opt to --always-turbofan. Change-Id: Ie23dc8282b3fb4cf2fbf73b6c3d5264de5d09718 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3610431 Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Camillo Bruni <cbruni@chromium.org> Reviewed-by: Jakob Linke <jgruber@chromium.org> Cr-Commit-Position: refs/heads/main@{#80336}
24 lines
670 B
JavaScript
24 lines
670 B
JavaScript
// Copyright 2021 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 --turbofan
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// https://bugs.chromium.org/p/v8/issues/detail?id=10816
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// When V8 sees a deprecated map, update the IC with its target.
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function A() { this.x = 1 }
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function B() { this.x = 1 }
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function load(o) { return o.x }
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%PrepareFunctionForOptimization(load);
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const oldB = new B();
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(new B()).x = 1.5; // deprecates map
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// Should add the target of the deprecated map to the load IC.
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load(oldB);
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%OptimizeFunctionOnNextCall(load);
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load(oldB);
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assertOptimized(load);
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