1 files changed, 31 insertions, 0 deletions
diff --git a/libcxx/include/__fwd/queue.h b/libcxx/include/__fwd/queue.h
new file mode 100644
index 000000000000..50d99ad9c29f
--- /dev/null
+++ b/libcxx/include/__fwd/queue.h
@@ -0,0 +1,31 @@
+//===---------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===---------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___FWD_QUEUE_H
+#define _LIBCPP___FWD_QUEUE_H
+
+#include <__config>
+#include <__functional/operations.h>
+#include <__fwd/deque.h>
+#include <__fwd/vector.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <class _Tp, class _Container = deque<_Tp> >
+class _LIBCPP_TEMPLATE_VIS queue;
+
+template <class _Tp, class _Container = vector<_Tp>, class _Compare = less<typename _Container::value_type> >
+class _LIBCPP_TEMPLATE_VIS priority_queue;
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___FWD_QUEUE_H