diff -r c166b212bdee -r 7a8bfc05b691 mercurial/commands.py
--- a/mercurial/commands.py	Wed Jan 25 18:46:20 2023 +0100
+++ b/mercurial/commands.py	Wed Jan 25 19:12:31 2023 +0100
@@ -6264,7 +6264,7 @@
         #
         # All this should eventually happens, but in the mean time, we use this
         # context manager slightly out of the context it should be.
-        with repo.dirstate.parentchange(repo):
+        with repo.dirstate.changing_parents(repo):
             mergestatemod.recordupdates(repo, ms.actions(), branchmerge, None)
 
         if not didwork and pats: