http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50247
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED CC| |jakub at gcc dot gnu.org Resolution| |INVALID --- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-08-31 08:32:04 UTC --- That's user error, you of course can't do this, #pragma pack before include of a standard header changes the ABI. You'd need to rebuild everything with the same change, including libstdc++.