From ffc50fcf9da9f98ce2f261cffc2a01be20af32ed Mon Sep 17 00:00:00 2001
From: Carl Hetherington <carl@carlh.net>
Date: Sat, 7 Apr 2012 01:37:27 +0000
Subject: [PATCH] Remove use of invalidated iterator (#4826).

git-svn-id: svn://localhost/ardour2/branches/3.0@11807 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 gtk2_ardour/tempo_lines.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gtk2_ardour/tempo_lines.cc b/gtk2_ardour/tempo_lines.cc
index 2c7895f7a8..2cab60c157 100644
--- a/gtk2_ardour/tempo_lines.cc
+++ b/gtk2_ardour/tempo_lines.cc
@@ -48,8 +48,9 @@ TempoLines::tempo_map_changed()
 		++next;
 		i->second->property_x1() = - d;
 		i->second->property_x2() = - d;
+		ArdourCanvas::SimpleLine* f = i->second;
 		_lines.erase(i);
-		_lines.insert(make_pair(- d, i->second));
+		_lines.insert(make_pair(- d, f));
 		i = next;
 	}
 }