pt.c (most_specialized_class): Use ngettext to determine "candidates are:" /…

pt.c (most_specialized_class): Use ngettext to determine "candidates are:" / "candidate is" message.

	* pt.c (most_specialized_class): Use ngettext to determine
	"candidates are:" / "candidate is" message.

From-SVN: r168029

gcc/cp/ChangeLog

+2010-12-18  Joseph Myers  <joseph@codesourcery.com>
+
+	* pt.c (most_specialized_class): Use ngettext to determine
+	"candidates are:" / "candidate is" message.
+
 2010-12-17  Jason Merrill  <jason@redhat.com>
 
 	PR c++/46670

gcc/cp/pt.c

@@ -16512,7 +16512,7 @@ most_specialized_class (tree type, tree tmpl, tsubst_flags_t complain)
       if (!(complain & tf_error))
 	return error_mark_node;
       error ("ambiguous class template instantiation for %q#T", type);
-      str = TREE_CHAIN (list) ? _("candidates are:") : _("candidate is:");
+      str = ngettext ("candidate is:", "candidates are:", list_length (list));
       for (t = list; t; t = TREE_CHAIN (t))
         {
           error ("%s %+#T", spaces ? spaces : str, TREE_TYPE (t));