947a124e47
Bug: chromium:1012301 Change-Id: I805affc8b18130d9d4de995eed8a905d7fcd4d75 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1856005 Commit-Queue: Leszek Swirski <leszeks@chromium.org> Auto-Submit: Leszek Swirski <leszeks@chromium.org> Reviewed-by: Igor Sheludko <ishell@chromium.org> Cr-Commit-Position: refs/heads/master@{#64249}
24 lines
585 B
JavaScript
24 lines
585 B
JavaScript
// Copyright 2019 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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//
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// Flags: --allow-natives-syntax
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function f(o) {
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// The spread after the CloneObject IC shouldn't crash when trying to write a
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// double value to a field created by CloneObject.
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return {...o, ...{a:1.4}};
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}
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%EnsureFeedbackVectorForFunction(f);
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var o = {};
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// Train the CloneObject IC with a Double field.
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o.a = 1.5;
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f(o);
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f(o);
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f(o);
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// Change the source map to have a Tagged field.
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o.a = undefined;
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f(o);
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