--- a/mercurial/localrepo.py	Tue Feb 20 17:18:15 2024 +0100
+++ b/mercurial/localrepo.py	Tue Feb 20 21:38:01 2024 +0100
@@ -3363,7 +3363,7 @@
         # dirty after committing. Then when we strip, the repo is invalidated,
         # causing those changes to disappear.
         if '_phasecache' in vars(self):
-            self._phasecache.write()
+            self._phasecache.write(self)
 
     @unfilteredmethod
     def destroyed(self):