# HG changeset patch
# User Yuya Nishihara <yuya@tcha.org>
# Date 1498220110 -32400
# 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 -r d83b189aef83 -r a76a64c78807 mercurial/dagop.py
--- a/mercurial/dagop.py	Tue Jun 20 22:26:52 2017 +0900
+++ b/mercurial/dagop.py	Fri Jun 23 21:15:10 2017 +0900
@@ -91,9 +91,7 @@
         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