Import Cobalt 24.master.0.1033952
diff --git a/third_party/llvm-project/libcxx/include/experimental/iterator b/third_party/llvm-project/libcxx/include/experimental/iterator
index cf73b74..e47314a 100644
--- a/third_party/llvm-project/libcxx/include/experimental/iterator
+++ b/third_party/llvm-project/libcxx/include/experimental/iterator
@@ -65,7 +65,7 @@
# pragma GCC system_header
#endif
-#if _LIBCPP_STD_VER > 11
+#if _LIBCPP_STD_VER >= 14
_LIBCPP_BEGIN_NAMESPACE_LFTS
@@ -111,13 +111,13 @@
template <class _CharT, class _Traits, class _Delim>
-_LIBCPP_HIDE_FROM_ABI ostream_joiner<typename decay<_Delim>::type, _CharT, _Traits>
+_LIBCPP_HIDE_FROM_ABI ostream_joiner<__decay_t<_Delim>, _CharT, _Traits>
make_ostream_joiner(basic_ostream<_CharT, _Traits>& __os, _Delim && __d)
-{ return ostream_joiner<typename decay<_Delim>::type, _CharT, _Traits>(__os, _VSTD::forward<_Delim>(__d)); }
+{ return ostream_joiner<__decay_t<_Delim>, _CharT, _Traits>(__os, _VSTD::forward<_Delim>(__d)); }
_LIBCPP_END_NAMESPACE_LFTS
-#endif // _LIBCPP_STD_VER > 11
+#endif // _LIBCPP_STD_VER >= 14
#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
# include <type_traits>
