* process.c (rlimit_resource_type, rlimit_resource_value):
  get rid of inadvertent dynamic symbol pin-down.

* re.c (match_backref_number): ditto.

* signal.c (esignal_init, rb_f_kill, trap_signm): ditto.

* transcode.c (econv_opts): ditto.

* vm_trace.c (symbol2event_flag): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47005 b2dd03c8-39d4-4d8f-98ff-823fe69b080e