rb_vm_trace_mark_event_hooks 1973 vm.c           void rb_vm_trace_mark_event_hooks(rb_hook_list_t *hooks);
rb_vm_trace_mark_event_hooks 2005 vm.c           	rb_vm_trace_mark_event_hooks(&vm->event_hooks);
rb_vm_trace_mark_event_hooks 2278 vm.c               rb_vm_trace_mark_event_hooks(&th->event_hooks);