From 16095eb187c49a6462a0c7d8a698e1800a49d402 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 10 Oct 2013 02:11:37 +0000
Subject: vm.c: hide singleton class of frozen-core

* vm.c (Init_VM): hide also the singleton class of frozen-core, not
  only frozen-core itself.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43232 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 a43f3d6b20..0ade176c42 100644
--- a/vm.c
+++ b/vm.c
@@ -2285,6 +2285,9 @@ Init_VM(void)
     rb_define_method_id(klass, idProc, rb_block_proc, 0);
     rb_define_method_id(klass, idLambda, rb_block_lambda, 0);
     rb_obj_freeze(fcore);
+    RBASIC_CLEAR_CLASS(klass);
+    RCLASS_SET_SUPER(klass, 0);
+    rb_obj_freeze(klass);
     rb_gc_register_mark_object(fcore);
     rb_mRubyVMFrozenCore = fcore;
 
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