[webkit-changes] [WebKit/WebKit] 9d426c: Unreviewed, reverting 272928 at main.

[Commit Queue]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 9d426c6ff391a8d6699654d52986512b52f9eba2
      https://github.com/WebKit/WebKit/commit/9d426c6ff391a8d6699654d52986512b52f9eba2
  Author: Commit Queue <commit-queue at webkit.org>
  Date:   2024-01-16 (Tue, 16 Jan 2024)

  Changed paths:
    R JSTests/stress/regexp-unicode-dangling-surrogates.js
    M JSTests/test262/expectations.yaml
    M Source/JavaScriptCore/yarr/YarrInterpreter.cpp
    M Source/JavaScriptCore/yarr/YarrJIT.cpp

  Log Message:
  -----------
  Unreviewed, reverting 272928 at main.
https://bugs.webkit.org/show_bug.cgi?id=267593

Caused perf regression in JetStream2 / UniPoker.

Reverted changeset:

"[JSC] RegExp /u flag doesn't respect atomicity of surrogate pairs"
https://bugs.webkit.org/show_bug.cgi?id=267011
https://commits.webkit.org/272928@main

Canonical link: https://commits.webkit.org/273081@main