Issue #5942 has been updated by Motohiro KOSAKI. Hmm.. I don't think this patch have pretty worth enough to break our "Only bug fixes should be backported" policy. ---------------------------------------- Backport #5942: Backport r34309-34310 r34312-32414 https://bugs.ruby-lang.org/issues/5942 Author: Yura Sokolov Status: Open Priority: Normal Assignee: Category: Target version: I understand, that it is mostly imposible, but would you mind to backport changes of st.c, so that my patches to it against following versions of ruby 1.9.3 will be simpler. Backporting diff attached. -- http://bugs.ruby-lang.org/