From a05d713879613d9947e255e4b6207109d3f0a368 Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 13 Jun 2015 11:17:04 +0000
Subject: mark thread name string

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50869 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 vm.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'vm.c')

diff --git a/vm.c b/vm.c
index 2b6a917bbc..006b0f8a80 100644
--- a/vm.c
+++ b/vm.c
@@ -2126,6 +2126,8 @@ rb_thread_mark(void *ptr)
 				 sizeof(th->machine.regs) / sizeof(VALUE));
 	}
 
+	RUBY_MARK_UNLESS_NULL(th->name);
+
 	rb_vm_trace_mark_event_hooks(&th->event_hooks);
     }
 
-- 
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