Fix the CI (frozen C++03 headers)

Author: var-const

libcxx/include/__config

@@ -38,6 +38,11 @@
 #    define _LIBCPP_FREESTANDING
 #  endif
 
+// NOLINTNEXTLINE(libcpp-cpp-version-check)
+#  if __cplusplus < 201103L
+#    define _LIBCPP_CXX03_LANG
+#  endif
+
 #  if __has_feature(experimental_library)
 #    ifndef _LIBCPP_ENABLE_EXPERIMENTAL
 #      define _LIBCPP_ENABLE_EXPERIMENTAL
@@ -213,11 +218,6 @@ _LIBCPP_HARDENING_MODE_DEBUG
 #  define _LIBCPP_TOSTRING2(x) #x
 #  define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x)
 
-// NOLINTNEXTLINE(libcpp-cpp-version-check)
-#  if __cplusplus < 201103L
-#    define _LIBCPP_CXX03_LANG
-#  endif
-
 #  ifndef __has_constexpr_builtin
 #    define __has_constexpr_builtin(x) 0
 #  endif

libcxx/vendor/llvm/default_assertion_handler.in

@@ -25,7 +25,7 @@
 #  pragma GCC system_header
 #endif
 
-#if defined(_LIBCPP_CXX03_LANG) && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
+#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
 
 // Keep the old implementation that doesn't support assertion semantics for backward compatibility with the frozen C++03
 // mode.
@@ -59,6 +59,6 @@ _LIBCPP_ASSERTION_SEMANTIC_ENFORCE
 
 #  endif // _LIBCPP_ASSERTION_SEMANTIC == _LIBCPP_ASSERTION_SEMANTIC_IGNORE
 
-#endif // defined(_LIBCPP_CXX03_LANG) && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
+#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
 
 #endif // _LIBCPP___ASSERTION_HANDLER