[llvm-branch-commits] [libcxx] release/20.x: [libc++] Re-introduce _LIBCPP_DISABLE_AVAILABILITY (#134158) (PR #138674)

[Konstantin Varlamov via llvm-branch-commits]

var-const wrote:

@tstellar Just wanted to bring this to your attention -- would be awesome if we could get this merged! We discovered this pretty late in the process, unfortunately, but it breaks a few users (and results in frustratingly cryptic linker errors).

https://github.com/llvm/llvm-project/pull/138674