[Bug c++/100629] Regression from 10 symbol mismatch between class definition and use with/without optimization

[mckelvey at maskull dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100629

--- Comment #18 from James McKelvey <mckelvey at maskull dot com> ---
If I build with -D_GLIBCXX_USE_CXX11_ABI=0 it all works. But with =1 I get the
mismatches.