rb_binding_new     18 eval.c         VALUE rb_binding_new(void);
rb_binding_new    300 include/ruby/intern.h VALUE rb_binding_new(void);
rb_binding_new    312 proc.c             return rb_binding_new();
rb_binding_new   3631 thread.c           argv[4] = (p->self && srcfile) ? rb_binding_new() : Qnil;
rb_binding_new   1936 vm.c           	rb_define_global_const("TOPLEVEL_BINDING", rb_binding_new());