[webkit-changes] [WebKit/WebKit] 9bba5a: [JSC] Fix iteratorHelperPrivateFuncCreate since un...

[Yijia Huang]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 9bba5ab0c0ab6d17baf95622bf6cb46fe78b66e6
      https://github.com/WebKit/WebKit/commit/9bba5ab0c0ab6d17baf95622bf6cb46fe78b66e6
  Author: Yijia Huang <hyjorc1 at gmail.com>
  Date:   2024-10-27 (Sun, 27 Oct 2024)

  Changed paths:
    M Source/JavaScriptCore/runtime/JSIteratorHelper.cpp
    M Source/JavaScriptCore/runtime/JSIteratorHelper.h

  Log Message:
  -----------
  [JSC] Fix iteratorHelperPrivateFuncCreate since underlyingIterator can be jsNull
https://bugs.webkit.org/show_bug.cgi?id=282158
rdar://138642507

Reviewed by Mark Lam.

The internal field underlyingIterator of iteratorHelper can be null in
JSIteratorConstructor.js, and its nullability is checked in
JSIteratorHelperPrototype.js. This patch addresses that case by directly
passing JSValue in JSIteratorHelper::create.

* Source/JavaScriptCore/runtime/JSIteratorHelper.cpp:
(JSC::JSIteratorHelper::create):
(JSC::JSC_DEFINE_HOST_FUNCTION):
* Source/JavaScriptCore/runtime/JSIteratorHelper.h:

Canonical link: https://commits.webkit.org/285757@main



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