[webkit-changes] [WebKit/WebKit] c8222b: XSLTProcessor fails when xsl calls exsl:node-set()...

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  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: c8222bf810a77760c11df7b83d024fa395e5d4f5
      https://github.com/WebKit/WebKit/commit/c8222bf810a77760c11df7b83d024fa395e5d4f5
  Author: David Kilzer <ddkilzer at apple.com>
  Date:   2023-05-25 (Thu, 25 May 2023)

  Changed paths:
    A LayoutTests/fast/xsl/xslt-node-set-empty-expected.txt
    A LayoutTests/fast/xsl/xslt-node-set-empty.html
    M Source/WebCore/xml/XSLTExtensions.cpp

  Log Message:
  -----------
  XSLTProcessor fails when xsl calls exsl:node-set() on empty variable
https://bugs.webkit.org/show_bug.cgi?id=253857
<rdar://103622929>

Reviewed by Alex Christensen.

Merge fix for Chromium Issue 689977:
https://chromium.googlesource.com/chromium/src.git/+/99ead7d1564d35a70799b7ee4c3821053fb3985c

Tests:
    fast/xsl/exslt-node-set.xml
    fast/xsl/xslt-node-set-empty.html

* LayoutTests/fast/xsl/xslt-node-set-empty-expected.txt: Add.
* LayoutTests/fast/xsl/xslt-node-set-empty.html: Add.
* Source/WebCore/xml/XSLTExtensions.cpp:
(WebCore::exsltNodeSetFunction):
- Update to match logic in libxslt v1.1.35.

Originally-landed-as: 259548.430 at safari-7615-branch (06af3d226e2b). <rdar://103622929>
Canonical link: https://commits.webkit.org/264508@main