Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 27391517336b57238a71637c269a3f8cfb244ea6
https://github.com/WebKit/WebKit/commit/27391517336b57238a71637c269a3f8cfb244ea6
Author: Yijia Huang <hyjo...@gmail.com>
Date: 2025-08-26 (Tue, 26 Aug 2025)
Changed paths:
M Source/JavaScriptCore/yarr/YarrJIT.cpp
Log Message:
-----------
REGRESSION(298874@main): Broke test262
https://bugs.webkit.org/show_bug.cgi?id=297871
rdar://159132846
Reviewed by Yusuke Suzuki.
Initialize firstCharacterAdditionalReadSize both before input check and
after reentry point to prevent uninitialized data usage in backtracking
arithmetic and ensure fresh register state on alternative retries.
This fixes Test262 emoji sequence matching failures.
Canonical link: https://commits.webkit.org/299188@main
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