From 5c888f2b90d8840ba5f66c5c3820356adeca3df4 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Tue, 5 Sep 2023 18:29:50 +0200
Subject: [PATCH] Fix deadlock when cut/pasting section to itself

---
 libs/ardour/session.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libs/ardour/session.cc b/libs/ardour/session.cc
index 4bcf8aac09..b2a3d18e9d 100644
--- a/libs/ardour/session.cc
+++ b/libs/ardour/session.cc
@@ -7333,8 +7333,9 @@ Session::cut_copy_section (timepos_t const& start, timepos_t const& end, timepos
 		XMLNode& tm_after (wmap->get_state());
 		add_command (new TempoCommand (_("cut tempo map"), &tm_before, &tm_after));
 	} else {
-		std::cerr << "no tempo map cut buffer\n";
 		delete &tm_before;
+		TempoMap::abort_update ();
+		TempoMap::SharedPtr tmap (TempoMap::fetch());
 	}
 
 	if (abort_empty_reversible_command ()) {