[Bug c++/89519] POD data member fails to be packed; G++ incorrectly claims it is non-POD

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89519

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
C++98 says S is non POD.  This is why the difference comes into play.  To be
abi compatible with the two language options it needs to be that way.