release: 1.1.52

[lilypond.git] / lily / note-column.cc

diff --git a/lily/note-column.cc b/lily/note-column.cc
index 282ab3cdd13b009f36f4d8669bb10202cef701f0..c5c8dfca3394cd8bb3c936a6ed88182d44c7f5e8 100644 (file)
--- a/lily/note-column.cc
+++ b/lily/note-column.cc
@@ -65,7 +65,7 @@ Note_column::dir () const
   else if (head_l_arr_.size ())
     return sign (head_positions_interval().center ());
 
-  assert (false);
+  programming_error ("Note column without heads and  stem!");
   return CENTER;
 }