[Bug libstdc++/94345] std::chrono overflows due to c++14 non-compliance

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94345

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Fixed for GCC 11 by b1850c617b14eedaf60b358f3b7d4707cff73b8a

I might still backport it.