[libcxx-commits] [libcxx] [libc++] Remove ios_base::__xindex_ from the ABI (PR #198994)

[Nikolas Klauser via libcxx-commits]

philnik777 wrote:

@vrukesh Are you saying your platform doesn't have native 4 byte atomics?

https://github.com/llvm/llvm-project/pull/198994