[libc-commits] [libc] [libc] Add FENV_ACCESS pragma with CMake compiler feature detection (PR #200268)

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lntue wrote:

> About the two links: wouldn't the idea be to get rid of the `-Wno-fenv-access` flags once this is merged (as they were added because the changes of this PR were not yet implemented)? Or is the idea that, if the pragma is unsupported, we set `-Wno-fenv-access` to avoid potential warnings?

yes, you should update the cmake flag in the `if()`, remove the `-Wno-fenv-access`, and replace it with `-D...`

https://github.com/llvm/llvm-project/pull/200268