da27e0c886
TurboFan lowering (see [0]) of ConsString creation cannot ensure that the first part of the cons string is non-empty without introducing a phi and negatively impacting performance. This modifies ConsStringIterator to allow empty first parts of ConsStrings. BUG=v8:5440 Review-Url: https://codereview.chromium.org/2377983002 Cr-Commit-Position: refs/heads/master@{#39817}
9 lines
323 B
JavaScript
9 lines
323 B
JavaScript
// Copyright 2016 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: --turbo --always-opt
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// The rightmost cons string is created first, resulting in an empty left part.
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eval(" " + ("" + "try {;} catch (_) {}"));
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