[libcxx-commits] [PATCH] D90257: [libc++] Use the using_if_exists attribute when provided

[Roman Lebedev via Phabricator via libcxx-commits]

lebedev.ri added a comment.

In D90257#2357188 <https://reviews.llvm.org/D90257#2357188>, @ldionne wrote:

> Note that once this is in, we can also start dropping existing `#if`s in the headers to workaround various declarations missing in the underlying C stdlib, as long as we require a sufficiently recent Clang.

What about other compilers?


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  https://reviews.llvm.org/D90257/new/

https://reviews.llvm.org/D90257