6ee457bf05
The ReduceStringPrototypeStartsWith implementation in TurboFan was doing the CheckString too late, after returning "false" in case there are no arguments. Fixed: chromium:1065741 Change-Id: I1016383d65120d3b050e76d6ac41986497af0b8d Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2129639 Commit-Queue: Maya Lekova <mslekova@chromium.org> Reviewed-by: Georg Neis <neis@chromium.org> Cr-Commit-Position: refs/heads/master@{#66948}
20 lines
553 B
JavaScript
20 lines
553 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 --opt
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function bar() {
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String.prototype.startsWith.apply();
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}
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%PrepareFunctionForOptimization(bar);
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assertThrows(bar, TypeError);
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assertThrows(bar, TypeError);
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%OptimizeFunctionOnNextCall(bar);
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assertThrows(bar, TypeError);
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%PrepareFunctionForOptimization(bar);
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%OptimizeFunctionOnNextCall(bar);
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assertThrows(bar, TypeError);
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assertOptimized(bar);
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