pt.c (lookup_template_class): Don't mess with DECL_TEMPLATE_INSTANTIATIONS…

pt.c (lookup_template_class): Don't mess with DECL_TEMPLATE_INSTANTIATIONS except for partial instantiations.

	* pt.c (lookup_template_class): Don't mess with
	DECL_TEMPLATE_INSTANTIATIONS except for partial instantiations.

From-SVN: r160397

gcc/cp/ChangeLog

+2010-06-07  Jason Merrill  <jason@redhat.com>
+
+	* pt.c (lookup_template_class): Don't mess with
+	DECL_TEMPLATE_INSTANTIATIONS except for partial instantiations.
+
 2010-06-07  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/44444

gcc/cp/pt.c

@@ -6723,9 +6723,10 @@ lookup_template_class (tree d1,
 
       /* Note this use of the partial instantiation so we can check it
 	 later in maybe_process_partial_specialization.  */
-      DECL_TEMPLATE_INSTANTIATIONS (templ)
-	= tree_cons (arglist, t,
-		     DECL_TEMPLATE_INSTANTIATIONS (templ));
+      if (use_partial_inst_tmpl)
+	DECL_TEMPLATE_INSTANTIATIONS (templ)
+	  = tree_cons (arglist, t,
+		       DECL_TEMPLATE_INSTANTIATIONS (templ));
 
       if (TREE_CODE (t) == ENUMERAL_TYPE && !is_dependent_type)
 	/* Now that the type has been registered on the instantiations