[libcxx-commits] [libcxx] [libc++] __need_infinity_nan doesn't work in non-gnu c++ standards (PR #172539)

[Ian Anderson via libcxx-commits]

ian-twilightcoder wrote:

I don't think we can fully remove the header, unless we're willing to affect C++03, but I can get rid of the header for `DECIMAL_DIG`/`FLT_EVAL_METHOD`.

https://github.com/llvm/llvm-project/pull/172539