X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fgrob-smob.cc;h=4cdccf63cfbea50ccc490b14f99d5c35f2367ca3;hb=d31f8b518f7b5f04e7c332e001b1e31c23c39021;hp=a37febc41d24391eb032c7602e162ad5572d3494;hpb=a276a19dc6bd57832db3107f2f2cbb04cb4677b6;p=lilypond.git

diff --git a/lily/grob-smob.cc b/lily/grob-smob.cc
index a37febc41d..4cdccf63cf 100644
--- a/lily/grob-smob.cc
+++ b/lily/grob-smob.cc
@@ -3,12 +3,13 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 2005--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  (c) 2005--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #include "grob.hh"
 
 #include "paper-score.hh"
+#include "warn.hh"
 
 #include "ly-smobs.icc"
 
@@ -19,12 +20,11 @@ IMPLEMENT_TYPE_P (Grob, "ly:grob?");
 SCM
 Grob::mark_smob (SCM ses)
 {
+  ASSERT_LIVE_IS_ALLOWED ();
+  
   Grob *s = (Grob *) SCM_CELL_WORD_1 (ses);
   scm_gc_mark (s->immutable_property_alist_);
 
-  if (s->key_)
-    scm_gc_mark (s->key_->self_scm ());
-
   /* Do not mark the parents.  The pointers in the mutable
      property list form two tree like structures (one for X
      relations, one for Y relations).  Marking these can be done