Branch: refs/heads/master Home: https://github.com/MacRuby/MacRuby Commit: 191a9948fa91d849cb4bf7a31933bfc197701fe6 https://github.com/MacRuby/MacRuby/commit/191a9948fa91d849cb4bf7a31933bfc197... Author: Watson <watson1978@gmail.com> Date: 2012-08-02 (Thu, 02 Aug 2012) Changed paths: M variable.c Log Message: ----------- check what iv_dict is not NULL because rb_class_ivar_dict() may return NULL