f8834852a9
The proper fix would be to make TruncatingUseInfoFromRepresentation respect tagged signed use representation, but requires extra work to refine typing for all values that are stored into Smi fields. Bug: chromium:791245 Change-Id: I83965bcc18a836d2c758a6a8b1477a4aa2c6133d Reviewed-on: https://chromium-review.googlesource.com/808866 Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Commit-Queue: Jaroslav Sevcik <jarin@chromium.org> Cr-Commit-Position: refs/heads/master@{#49870}
18 lines
432 B
JavaScript
18 lines
432 B
JavaScript
// Copyright 2017 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: --expose-gc
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var a, b; // Global variables that will end up with number map.
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for (var i = 0; i < 100000; i++) {
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b = 1;
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a = i + -0; // -0 is a number, so this will make "a" a heap object.
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b = a;
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}
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assertTrue(a === b);
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gc();
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assertTrue(a === b);
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