[Bug libstdc++/104019] Testsuite 17_intro/headers/c++2020/stdc++_multiple_inclusion.cc failures

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104019

--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
The macros should all be OK now. The aliasing fix isn't pushed yet.