[libcxx-commits] [libcxx] 0c94a97 - [libc++][NFC] Avoid empty namespace in `<__concepts/common_with.h>` (#221407)

[via libcxx-commits]

Author: A. Jiang
Date: 2026-09-05T22:25:24+08:00
New Revision: 0c94a978df783bd67535350eac84088fc482716a

URL: https://github.com/llvm/llvm-project/commit/0c94a978df783bd67535350eac84088fc482716a
DIFF: https://github.com/llvm/llvm-project/commit/0c94a978df783bd67535350eac84088fc482716a.diff

LOG: [libc++][NFC] Avoid empty namespace in `<__concepts/common_with.h>` (#221407)

...in pre-C++20 modes. This fixes complaining from clang-tidy checks in
CI.

Added: 
    

Modified: 
    libcxx/include/__concepts/common_with.h

Removed: 
    


################################################################################
diff  --git a/libcxx/include/__concepts/common_with.h b/libcxx/include/__concepts/common_with.h
index 09082b2295def..e2f5b46822d63 100644
--- a/libcxx/include/__concepts/common_with.h
+++ b/libcxx/include/__concepts/common_with.h
@@ -21,10 +21,10 @@
 #  pragma GCC system_header
 #endif
 
-_LIBCPP_BEGIN_NAMESPACE_STD
-
 #if _LIBCPP_STD_VER >= 20
 
+_LIBCPP_BEGIN_NAMESPACE_STD
+
 // [concept.common]
 
 // clang-format off
@@ -45,8 +45,8 @@ concept common_with =
             add_lvalue_reference_t<const _Up>>>;
 // clang-format on
 
-#endif // _LIBCPP_STD_VER >= 20
-
 _LIBCPP_END_NAMESPACE_STD
 
+#endif // _LIBCPP_STD_VER >= 20
+
 #endif // _LIBCPP___CONCEPTS_COMMON_WITH_H