RUBY_FREE_LEAVE   126 cont.c             RUBY_FREE_LEAVE("cont");
RUBY_FREE_LEAVE   176 cont.c             RUBY_FREE_LEAVE("fiber");
RUBY_FREE_LEAVE    65 iseq.c             RUBY_FREE_LEAVE("iseq");
RUBY_FREE_LEAVE    41 proc.c             RUBY_FREE_LEAVE("proc");
RUBY_FREE_LEAVE   231 proc.c             RUBY_FREE_LEAVE("binding");
RUBY_FREE_LEAVE   194 vm.c               RUBY_FREE_LEAVE("env");
RUBY_FREE_LEAVE  1393 vm.c               RUBY_FREE_LEAVE("vm");
RUBY_FREE_LEAVE  1544 vm.c               RUBY_FREE_LEAVE("thread");