From fc11e1a8d7e0ca1f07fbb89dfb77df186a8bf757 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Fr=C3=A9d=C3=A9ric=20Buclin?= <LpSolit@gmail.com>
Date: Mon, 25 Nov 2013 14:28:11 +0100
Subject: [PATCH] Fix bustage due to bug 793963. Some very old bugs may have no
 comments

---
 Bugzilla/Bug.pm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Bugzilla/Bug.pm b/Bugzilla/Bug.pm
index 9669352cd0..a7be3812df 100644
--- a/Bugzilla/Bug.pm
+++ b/Bugzilla/Bug.pm
@@ -3416,7 +3416,8 @@ sub comments {
             $comment->{count} = $count++;
             $comment->{bug} = $self;
         }
-        Bugzilla::Comment->preload($self->{'comments'});
+        # Some bugs may have no comments when upgrading old installations.
+        Bugzilla::Comment->preload($self->{'comments'}) if $count;
     }
     my @comments = @{ $self->{'comments'} };
 
-- 
2.47.3