// that contains a runtime._type.
type TypeInfo struct {
	Type interface{} // a *cmd/compile/internal/types.Type
}

func (s *LSym) NewTypeInfo() *TypeInfo {
	if s.Extra != nil {
		panic(fmt.Sprintf("invalid use of LSym - NewTypeInfo with Extra of type %T", *s.Extra))
	}
	t := new(TypeInfo)
	s.Extra = new(interface{})
	*s.Extra = t
	return t
}