[libcxx-commits] [libcxx] [libcxx] Implementation of P1831R1 (PR #101439)

[Josh Karns via libcxx-commits]

================
@@ -131,6 +154,11 @@ struct __atomic_base // false
   __atomic_base(const __atomic_base&) = delete;
 };
 
+#if _LIBCPP_STD_VER >= 20
+#  undef _LIBCPP_REQUIRE_IS_ALWAYS_LOCK_FREE
+#  define _LIBCPP_REQUIRE_IS_ALWAYS_LOCK_FREE requires __base::is_always_lock_free
----------------
jkarns275 wrote:

As we are not actually requiring this in the literal sense, rather just emitting a warning, I just removed this entirely. 

https://github.com/llvm/llvm-project/pull/101439