[libcxx-commits] [libcxx] [libc++] Move compiler-specific configuration into <__configuration/compiler.h> (PR #205590)

[Louis Dionne via libcxx-commits]

https://github.com/ldionne approved this pull request.

I think this is fine. I think it might also make sense to move the builtins we're shimming to a "compiler polyfills" header instead, but this move also seems reasonable. We should definitely consider moving to a dedicated polyfills header if this set of shims expands in the future.

https://github.com/llvm/llvm-project/pull/205590