https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85308
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
That's not a bug, it's how stringstream is supposed to work.
Use
std::stringstream con(BEFORE, std::ios::in|std::ios::out|std::ios::ate);
if you want insertions to happen at the end, after the initial value.
