diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 40c1180d579..63097799700 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -17,6 +17,9 @@ Wed Dec 15 02:19:32 1999  David Edelsohn  <edelsohn@gnu.org>
 
 1999-12-14  Jason Merrill  <jason@casey.cygnus.com>
 
+	* dwarf2out.c (add_abstract_origin_attribute): Do call abort if
+	the abstract origin wasn't emitted.
+
 	* dwarf2out.c (class_scope_p): New fn.
 	(gen_subprogram_die): Use it.
 	(gen_variable_die): Use it.  Tweak logic.
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c
index e38152b9cdf..ea74d0f93a1 100644
--- a/gcc/dwarf2out.c
+++ b/gcc/dwarf2out.c
@@ -7511,7 +7511,7 @@ add_abstract_origin_attribute (die, origin)
     origin_die = lookup_type_die (origin);
 
   if (origin_die == NULL)
-    return;
+    abort ();
   
   add_AT_die_ref (die, DW_AT_abstract_origin, origin_die);
 }