X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftranslator-group.cc;h=4ef8c49d6bb0755664f018397ad82491f3d7c8bd;hb=b53ca26b6a62e30c75b758d17bcdab530cba1e2b;hp=da3fda5ed5bbeb12cca478346fec0f5239662ceb;hpb=68f8545bd6a0221ee1100336e4ad49399a7ffaa4;p=lilypond.git

diff --git a/lily/translator-group.cc b/lily/translator-group.cc
index da3fda5ed5..4ef8c49d6b 100644
--- a/lily/translator-group.cc
+++ b/lily/translator-group.cc
@@ -202,7 +202,7 @@ precomputed_recurse_over_translators (Context *c, Translator_precompute_index id
   Translator_group *tg
     = dynamic_cast<Translator_group *> (c->implementation ());
 
-  if (dir == DOWN)
+  if (tg && dir == DOWN)
     {
       tg->precomputed_translator_foreach (idx);
       tg->call_precomputed_self_method (idx);
@@ -212,7 +212,7 @@ precomputed_recurse_over_translators (Context *c, Translator_precompute_index id
        s = scm_cdr (s))
     precomputed_recurse_over_translators (unsmob_context (scm_car (s)), idx, dir);
 
-  if (dir == UP)
+  if (tg && dir == UP)
     {
       tg->precomputed_translator_foreach (idx);
       tg->call_precomputed_self_method (idx);
@@ -225,7 +225,7 @@ recurse_over_translators (Context *c, Translator_method ptr, Translator_group_me
   Translator_group *tg
     = dynamic_cast<Translator_group *> (c->implementation ());
 
-  if (dir == DOWN)
+  if (tg && dir == DOWN)
     {
       (tg->*tg_ptr) ();
       translator_each (tg->get_simple_trans_list (), ptr);
@@ -235,7 +235,7 @@ recurse_over_translators (Context *c, Translator_method ptr, Translator_group_me
        s = scm_cdr (s))
     recurse_over_translators (unsmob_context (scm_car (s)), ptr, tg_ptr, dir);
 
-  if (dir == UP)
+  if (tg && dir == UP)
     {
       translator_each (tg->get_simple_trans_list (),
 		       ptr);