rb_exec_recursive_outer   19 ext/-test-/recursion/recursion.c     return rb_exec_recursive_outer(recursive_i, self, mid);
rb_exec_recursive_outer  128 hash.c             VALUE hval = rb_exec_recursive_outer(hash_recursive, obj, 0);
rb_exec_recursive_outer  466 include/ruby/intern.h VALUE rb_exec_recursive_outer(VALUE(*)(VALUE, VALUE, int),VALUE,VALUE);