[libcxx-commits] [libcxx] [libc++] Deprecate non-standard std::launch::any extension (PR #173397)

[A. Jiang via libcxx-commits]

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@@ -434,7 +434,7 @@ struct is_error_code_enum<future_errc::__lx> : public true_type {};
 #    endif
 
 // enum class launch
-_LIBCPP_DECLARE_STRONG_ENUM(launch){async = 1, deferred = 2, any = async | deferred};
+_LIBCPP_DECLARE_STRONG_ENUM(launch){async = 1, deferred = 2, any _LIBCPP_DEPRECATED = async | deferred};
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frederick-vs-ja wrote:

No change requested for this line.
Let's also add an entry to `libcxx/docs/ReleaseNotes/22.rst` (under the Deprecations and Removals section), like:
```rst
- Non-conforming extension ``launch::any`` is deprecated. It will be removed in LLVM 23.
```

https://github.com/llvm/llvm-project/pull/173397