From d7eb7bbccef6da8951c8a2427354f87156918909 Mon Sep 17 00:00:00 2001
From: ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 13 Jul 2016 07:08:32 +0000
Subject: * gc.c (gc_mark_roots): should mark the VM object itself to mark  
 singleton class of the VM object.   Before this patch, we only set mark bit
 for the VM object and   invoke mark function separately.   [Bug #12583]

* test/ruby/test_gc.rb: add a test.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55663 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 gc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'gc.c')

diff --git a/gc.c b/gc.c
index ebfb037c1e..e72006898c 100644
--- a/gc.c
+++ b/gc.c
@@ -4694,7 +4694,7 @@ gc_mark_roots(rb_objspace_t *objspace, const char **categoryp)
     MARK_CHECKPOINT("vm");
     SET_STACK_END;
     rb_vm_mark(th->vm);
-    if (th->vm->self) gc_mark_set(objspace, th->vm->self);
+    if (th->vm->self) gc_mark(objspace, th->vm->self);
 
     MARK_CHECKPOINT("finalizers");
     mark_tbl(objspace, finalizer_table);
-- 
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