[libcxx][modularisation] moves <utility> content out of <type_traits>
Moves:
* `std::move`, `std::forward`, `std::declval`, and `std::swap` into
`__utility/${FUNCTION_NAME}`.
* `std::swap_ranges` and `std::iter_swap` into
`__algorithm/${FUNCTION_NAME}`
Differential Revision: https://reviews.llvm.org/D103734
NOKEYCHECK=True
GitOrigin-RevId: 6adbc83ee9e46b476e0f75d5671c3a21f675a936
diff --git a/include/stack b/include/stack
index c1b2cbe..6dd055e 100644
--- a/include/stack
+++ b/include/stack
@@ -88,6 +88,7 @@
*/
#include <__config>
+#include <__utility/forward.h>
#include <deque>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)