Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 7fdc018c4dd77266f919db0a9ff495ebafde757e
      
https://github.com/WebKit/WebKit/commit/7fdc018c4dd77266f919db0a9ff495ebafde757e
  Author: Tetsuharu Ohzeki <[email protected]>
  Date:   2026-04-08 (Wed, 08 Apr 2026)

  Changed paths:
    A JSTests/stress/iterator-prototype-includes.js
    M Source/JavaScriptCore/runtime/JSIteratorPrototype.cpp
    M Source/JavaScriptCore/runtime/OptionsList.h

  Log Message:
  -----------
  [JSC] Implement `Iterator.prototype.includes` (disabled by default)
https://bugs.webkit.org/show_bug.cgi?id=309883

Reviewed by Yusuke Suzuki.

This implements Iterator Includes proposal 
https://tc39.es/proposal-iterator-includes/
that refers rev. March 12, 2026.
https://github.com/tc39/proposal-iterator-includes/tree/8787f1ae4500fc6c7851f4eccb9557f9d74fa694

This feature is behind the flag `--useIteratorIncludes`.

Test: JSTests/stress/iterator-prototype-includes.js

* JSTests/stress/iterator-prototype-includes.js: Added.
* Source/JavaScriptCore/runtime/JSIteratorPrototype.cpp:
* Source/JavaScriptCore/runtime/OptionsList.h:
    This introduces `--useIteratorIncludes` flag.

Canonical link: https://commits.webkit.org/310769@main



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