From 8b0cfe9042aa04a8f574fe4169ecea43b550b638 Mon Sep 17 00:00:00 2001
From: ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 24 Jun 2015 05:30:27 +0000
Subject: * gc.c (gc_mark_ptr): add a check code for #11244.   It should be
 removed later. But we can remain this check   because it is only a branch.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51010 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 gc.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'gc.c')

diff --git a/gc.c b/gc.c
index dd3d70c3ef..9b1870276c 100644
--- a/gc.c
+++ b/gc.c
@@ -4193,6 +4193,10 @@ gc_mark_ptr(rb_objspace_t *objspace, VALUE obj)
 {
     if (LIKELY(objspace->mark_func_data == NULL)) {
 	rgengc_check_relation(objspace, obj);
+
+	/* check code for Bug #11244 */
+	if (BUILTIN_TYPE(obj) == T_NONE) rb_bug("gc_mark_ptr: obj is T_NONE");
+
 	if (!gc_mark_set(objspace, obj)) return; /* already marked */
 	gc_aging(objspace, obj);
 	gc_grey(objspace, obj);
-- 
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