[Bug c++/107138] [12 regression] std::variant triggers false-positive 'may be used uninitialized' warning

[gcc at cohi dot at via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107138

--- Comment #20 from Colin Hirsch <gcc at cohi dot at> ---
This works as temporary work-around for the PEGTL error:

#if defined( __GNUC__ ) && !defined( __clang__ ) && ( __GNUC__ == 16 )
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
#endif