--- a/mercurial/localrepo.py	Fri May 17 11:32:48 2019 -0700
+++ b/mercurial/localrepo.py	Fri May 17 00:57:57 2019 -0700
@@ -2367,7 +2367,10 @@
             node = fctx.filenode()
             if node in [fparent1, fparent2]:
                 self.ui.debug('reusing %s filelog entry\n' % fname)
-                if manifest1.flags(fname) != fctx.flags():
+                if ((fparent1 != nullid and
+                     manifest1.flags(fname) != fctx.flags()) or
+                    (fparent2 != nullid and
+                     manifest2.flags(fname) != fctx.flags())):
                     changelist.append(fname)
                 return node