Fix building with GCC 9 #7805
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Fix building with GCC 9 #7805
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Nixpkgs on aarch64-linux is currently stuck on GCC 9 (NixOS/nixpkgs#208412) and using gcc11Stdenv doesn't work either. So use c++2a instead of c++20 for now. Unfortunately this means we can't use some C++20 features for now (like std::span).
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Motivation
Nixpkgs on aarch64-linux is currently stuck on GCC 9 (NixOS/nixpkgs#208412) and using
gcc11Stdenvdoesn't work either.So use
c++2ainstead ofc++20for now. Unfortunately this means we can't use some C++20 features for now (likestd::span).Context
Checklist for maintainers
Maintainers: tick if completed or explain if not relevant
tests/**.shsrc/*/teststests/nixos/*