print insanity-check message only in debug builds

diff --git a/libs/ardour/session_handle.cc b/libs/ardour/session_handle.cc
index e9284b7c9849e431936253a043edff1f5cab61a5..99358dad0344f051089061627022b768204b9e25 100644 (file)
--- a/libs/ardour/session_handle.cc
+++ b/libs/ardour/session_handle.cc
@@ -83,9 +83,11 @@ SessionHandleRef::session_going_away ()
 void
 SessionHandleRef::insanity_check ()
 {
+#ifndef NDEBUG
        cerr << string_compose (
                _("programming error: %1"),
                string_compose("SessionHandleRef exists across session deletion! Dynamic type: %1 @ %2",
                               PBD::demangled_name (*this), this))
             << endl;
+#endif
 }