class is available (e.g. defining singleton class for Fixnums).
* eval.c (proc_call): ignore block to `call' always, despite of
being orphan or not.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_6@1221 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
based on ruby_frame->iter altered by PUSH_ITER().
* eval.c (rb_thread_fd_close): should save current context before
raising exception.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_6@1218 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
