vm_eval.c: undefined refined check_funcall

* vm_eval.c (rb_method_call_status): undefined refined method is
  not callable unless using.  [ruby-core:69064] [Bug #11117]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50430 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 1 deletions

diff --git a/vm_eval.c b/vm_eval.c
index 281dbe77cc..f31a60aa80 100644
--- a/vm_eval.c
+++ b/vm_eval.c
@@ -559,7 +559,8 @@ rb_method_call_status(rb_thread_t *th, const rb_method_entry_t *me, call_type sc
     ID oid;
     int noex;
 
-    if (UNDEFINED_METHOD_ENTRY_P(me)) {
+    if (UNDEFINED_METHOD_ENTRY_P(me) ||
+	UNDEFINED_REFINED_METHOD_P(me->def)) {
 	return scope == CALL_VCALL ? NOEX_VCALL : 0;
     }
     klass = me->klass;