https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77271
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|WONTFIX |INVALID --- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> --- This isn't WONTFIX, it's just INVALID. The macro _GLIBCXX_USE_CXX11_ABI and the -std option are supposed to be entirely independent. This is documented at https://gcc.gnu.org/onlinedocs/libstdc++/manual/using_dual_abi.html