Prior to PHP 8.3, ReflectionMethod could set a private method on a parent class to accessible. This is no longer possible in PHP 8.3 since php/php-src 9470 and breaks the Composer\Test\Repository\ComposerRepositoryTest::testWhatProvides test.
Also see: https://3v4l.org/8YcIk/rfc#vgit.master
Fixed now.
Co-authored-by: jrfnl <jrfnl@users.noreply.github.com>
Co-authored-by: Christophe Coevoet <stof@notk.org>
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