[libc++] constexpr atomic and atomic_ref: feature test macro

llvm · Jul 13, 2024 · b77496f · b77496f
1 parent 5fa1bad
commit b77496f
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/libcxx/include/version b/libcxx/include/version
@@ -384,6 +384,9 @@ __cpp_lib_void_t                                        201411L <type_traits>
 # endif
 # define __cpp_lib_concepts                             202002L
 # define __cpp_lib_constexpr_algorithms                 201806L
+# if __has_constexpr_builtin(__c11_atomic_load)
+# define __cpp_constexpr_atomic                         202406L
+# endif
 # define __cpp_lib_constexpr_complex                    201711L
 # define __cpp_lib_constexpr_dynamic_alloc              201907L
 # define __cpp_lib_constexpr_functional                 201907L