Snippets for lua 5.5.0 from Fedora ppc64le

Sourced from https://kojipkgs.fedoraproject.org/packages/lua/5.5.0/1.fc45/data/logs/ppc64le/build.log.

• /usr/include/bits/string_fortified.h:29:10: warning: '__builtin_memcpy' reading between 652 and 2147483647 bytes from a region of size 8 [-Wstringop-overread]
     29 |   return __builtin___memcpy_chk (__dest, __src, __len,
        |          ^