diff -r 205efbf656c2 -r 9134c4e46084 mercurial/changegroup.py
--- a/mercurial/changegroup.py	Mon Aug 06 09:00:26 2018 -0700
+++ b/mercurial/changegroup.py	Mon Aug 06 16:45:25 2018 -0700
@@ -605,7 +605,7 @@
         # Ellipses serving mode.
         self._clrevtolocalrev.clear()
         if self._nextclrevtolocalrev:
-            self.clrevtolocalrev = self._nextclrevtolocalrev
+            self._clrevtolocalrev = self._nextclrevtolocalrev
             self._nextclrevtolocalrev.clear()
         self._changelogdone = True