From: Han-Wen Nienhuys <hanwen@lilypond.org>
Date: Mon, 31 Jan 2011 13:04:09 +0000 (-0200)
Subject: Don't crash on a pending spanner in Staff_symbol_engraver dtor.
X-Git-Tag: release/2.13.48-1~19
X-Git-Url: https://git.donarmstrong.com/?a=commitdiff_plain;h=b69dbbc66da069134b9e1e4047cbf74d5a9ac50b;p=lilypond.git

Don't crash on a pending spanner in Staff_symbol_engraver dtor.
---

diff --git a/lily/staff-symbol-engraver.cc b/lily/staff-symbol-engraver.cc
index e5d981b04e..55e118245f 100644
--- a/lily/staff-symbol-engraver.cc
+++ b/lily/staff-symbol-engraver.cc
@@ -50,7 +50,11 @@ protected:
 
 Staff_symbol_engraver::~Staff_symbol_engraver ()
 {
-  assert (!span_);
+  if (span_)
+    {
+      // Somehow finalize() was not called?
+      programming_error ("Have a pending spanner in destructor.");
+    }
 }
 
 Staff_symbol_engraver::Staff_symbol_engraver ()