made compile with assertions disabled and optimizations enabled: - initialize vaiable - define static function that is only used in assert()   only in case assertions are enabled
made compile with assertions disabled and optimizations enabled:
- initialize vaiable
- define static function that is only used in assert()
  only in case assertions are enabled

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb