revert r35486 (add rb_thread_t#yeiling field). because it doesn't help to close a race.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38062 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Added by kosaki (Motohiro KOSAKI) over 12 years ago
revert r35486 (add rb_thread_t#yeiling field). because it doesn't help
to close a race.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38062 b2dd03c8-39d4-4d8f-98ff-823fe69b080e