* vm.c (rb_thread_mark): rb_thread_t needs self to be marked.

  [ruby-dev:44566] [Bug #5386]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33369 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/vm.c b/vm.c
index 665351be0a..2ab2b92fcc 100644
--- a/vm.c
+++ b/vm.c
@@ -1735,6 +1735,7 @@ rb_thread_mark(void *ptr)
 	RUBY_MARK_UNLESS_NULL(th->first_proc);
 	if (th->first_proc) RUBY_MARK_UNLESS_NULL(th->first_args);
 
+	RUBY_MARK_UNLESS_NULL(th->self);
 	RUBY_MARK_UNLESS_NULL(th->thgroup);
 	RUBY_MARK_UNLESS_NULL(th->value);
 	RUBY_MARK_UNLESS_NULL(th->errinfo);