[libcxx-commits] [libcxx] [libc++] Implement P3567R2 flat_meow fixes (PR #162022)

[Louis Dionne via libcxx-commits]

================
@@ -7,8 +7,6 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
-// `check_assertion.h` requires Unix headers and regex support.
-// REQUIRES: has-unix-headers
 // UNSUPPORTED: no-localization
----------------
ldionne wrote:

```suggestion
```

https://github.com/llvm/llvm-project/pull/162022