add stack, optimization-unstable code, take 1
add stack, optimization-unstable code, take 1

fengjian/libinjection,fengjian/libinjection,fengjian/libinjection,ppliu1979/libinjection,ppliu1979/libinjection,fengjian/libinjection,fengjian/libinjection,ppliu1979/libinjection,dijkstracula/libinjection,fengjian/libinjection,ppliu1979/libinjection,dijkstracula/libinjection,dijkstracula/libinjection,ppliu1979/libinjection,ppliu1979/libinjection,dijkstracula/libinjection,dijkstracula/libinjection,dijkstracula/libinjection,fengjian/libinjection