From abec876997f45a7fd1f0abf469f7e97a1a2dd52f Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Sat, 28 Oct 2023 23:03:38 +0200
Subject: [PATCH] Make sure a dynamic_pointer_cast worked.

---
 src/wx/timeline.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/wx/timeline.cc b/src/wx/timeline.cc
index dbc9f4ee0..9af8c3b85 100644
--- a/src/wx/timeline.cc
+++ b/src/wx/timeline.cc
@@ -321,6 +321,7 @@ place (shared_ptr<const Film> film, TimelineViewList& views, int& tracks)
 		}
 
 		auto cv = dynamic_pointer_cast<TimelineContentView> (i);
+		DCPOMATIC_ASSERT(cv);
 
 		int t = base;
 
-- 
2.30.2