From 0c659e26cb8839dec8eb2559a8c7ff98a56c4e88 Mon Sep 17 00:00:00 2001
From: shugo <shugo@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 17 Dec 2015 22:43:35 +0000
Subject: * vm.c (rb_vm_check_redefinition_opt_method): should check the real  
 class instead of the origin iclass.   [ruby-core:72188] [Bug #11826]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53173 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 vm.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'vm.c')

diff --git a/vm.c b/vm.c
index 3c80cd16aa..2dd2dfc879 100644
--- a/vm.c
+++ b/vm.c
@@ -1400,6 +1400,9 @@ static void
 rb_vm_check_redefinition_opt_method(const rb_method_entry_t *me, VALUE klass)
 {
     st_data_t bop;
+    if (RB_TYPE_P(klass, T_ICLASS) && FL_TEST(klass, RICLASS_IS_ORIGIN)) {
+       klass = RBASIC_CLASS(klass);
+    }
     if (me->def->type == VM_METHOD_TYPE_CFUNC) {
 	if (st_lookup(vm_opt_method_table, (st_data_t)me, &bop)) {
 	    int flag = vm_redefinition_check_flag(klass);
-- 
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