# HG changeset patch
# User Yuya Nishihara <yuya@tcha.org>
# Date 2017-06-23 12:15:10
# Node ID a76a64c78807b3ec01df039d7e10915ab7e95cb3
# Parent  d83b189aef83684e115f7e9675277804d9e71d26

dagop: use smartset.min() in revdescendants() generator

All callers pass the result of revset.getset(), which should be a smartset.

diff --git a/mercurial/dagop.py b/mercurial/dagop.py
--- a/mercurial/dagop.py
+++ b/mercurial/dagop.py
@@ -91,9 +91,7 @@ def _genrevdescendants(repo, revs, follo
         cut = None
 
     cl = repo.changelog
-    # XXX this should be 'parentset.min()' assuming 'parentset' is a
-    # smartset (and if it is not, it should.)
-    first = min(revs)
+    first = revs.min()
     nullrev = node.nullrev
     if first == nullrev:
         # Are there nodes with a null first parent and a non-null