[libcxx-commits] [libcxx] [libc++] Use a different smart ptr type alias (PR #102089)

[Hristo Hristov via libcxx-commits]

Zingam wrote:

> `_SP` is a preprocessor define in dinkumware libc's `ctype.h`. It might be nice to change this recently-introduced alias to avoid collisions when building libc++.
> 
> e.g. here is someone's copy of this C library: https://github.com/wuzhouhui/c_standard_lib/blob/e11548ad943686d303f0029d71ac2526d8b39cc5/_HEADERS/CTYPE.H#L12
> 
> cc @H-G-Hristov

Thank you! LGTM. This should be cherrypicked into LLVM too.

https://github.com/llvm/llvm-project/pull/102089