[Bug c++/60304] Including <atomic> disables -Wconversion-null

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60304

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jakub at gcc dot gnu.org

--- Comment #13 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
But the C standard requires that it is a macro.  So, shouldn't just <cstdbool>
#undef false and #undef true, or does C++ behave a particular behavior also for
a header it doesn't own (stdbool.h)?