Update copyright years.

111 files changed, 111 insertions, 111 deletions

diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/48101-2_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/48101-2_neg.cc
index 5c4efbc6f8e..08ef3b587a4 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/48101-2_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/48101-2_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2017-2022 Free Software Foundation, Inc.
+// Copyright (C) 2017-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/48101-3_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/48101-3_neg.cc
index b835b911a7b..77edab6b531 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/48101-3_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/48101-3_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2017-2022 Free Software Foundation, Inc.
+// Copyright (C) 2017-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/48101_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/48101_neg.cc
index 30225f3d6e1..4c53b3ed925 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/48101_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/48101_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2017-2022 Free Software Foundation, Inc.
+// Copyright (C) 2017-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/55043.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/55043.cc
index 5e599769f1c..80c2e591bd7 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/55043.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/55043.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++11 } }
 
-// Copyright (C) 2013-2022 Free Software Foundation, Inc.
+// Copyright (C) 2013-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/56267-2.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/56267-2.cc
index 1e91de446a3..a6810af3467 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/56267-2.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/56267-2.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2014-2022 Free Software Foundation, Inc.
+// Copyright (C) 2014-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/56267.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/56267.cc
index 0e672a1ecc6..242bd66ff68 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/56267.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/56267.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++11 } }
 
-// Copyright (C) 2013-2022 Free Software Foundation, Inc.
+// Copyright (C) 2013-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/56278.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/56278.cc
index fe55d8e4121..c697659bb51 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/56278.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/56278.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++11 } }
 
-// Copyright (C) 2013-2022 Free Software Foundation, Inc.
+// Copyright (C) 2013-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/61143.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/61143.cc
index 0868c818a0e..db60ba56c70 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/61143.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/61143.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++11 } }
 
-// Copyright (C) 2014-2022 Free Software Foundation, Inc.
+// Copyright (C) 2014-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/63456.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/63456.cc
index 21cc2e5b6e7..e3a3b7fd660 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/63456.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/63456.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2014-2022 Free Software Foundation, Inc.
+// Copyright (C) 2014-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/85965.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/85965.cc
index a6d0dc4224b..e1d9b242ab2 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/85965.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/85965.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2019-2022 Free Software Foundation, Inc.
+// Copyright (C) 2019-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/92124.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/92124.cc
index 8382a00ff25..c10c3d40091 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/92124.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/92124.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2020-2022 Free Software Foundation, Inc.
+// Copyright (C) 2020-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/96088.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/96088.cc
index f352b8305d2..05a5dc07f62 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/96088.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/96088.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++17 } }
 // { dg-require-effective-target std_allocator_new }
 
-// Copyright (C) 2021-2022 Free Software Foundation, Inc.
+// Copyright (C) 2021-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/copy.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/copy.cc
index 308526ca97c..fd2f59daef0 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/copy.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/copy.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2013-2022 Free Software Foundation, Inc.
+// Copyright (C) 2013-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/copy_assign.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/copy_assign.cc
index 53c1cebda18..667440ad648 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/copy_assign.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/copy_assign.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2013-2022 Free Software Foundation, Inc.
+// Copyright (C) 2013-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/default_init.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/default_init.cc
index cfb437b6412..6ba7b8af8d1 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/default_init.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/default_init.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2020-2022 Free Software Foundation, Inc.
+// Copyright (C) 2020-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/ext_ptr.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/ext_ptr.cc
index 2490d65a5af..3f9e88cf334 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/ext_ptr.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/ext_ptr.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2013-2022 Free Software Foundation, Inc.
+// Copyright (C) 2013-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/minimal.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/minimal.cc
index f7a63181c46..5781d7720f5 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/minimal.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/minimal.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2012-2022 Free Software Foundation, Inc.
+// Copyright (C) 2012-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/move.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/move.cc
index 614b26fc7c9..2ca0df47505 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/move.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/move.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2013-2022 Free Software Foundation, Inc.
+// Copyright (C) 2013-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/move_assign.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/move_assign.cc
index 6fbde6116fb..e62936d0c0e 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/move_assign.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/move_assign.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2013-2022 Free Software Foundation, Inc.
+// Copyright (C) 2013-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/noexcept.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/noexcept.cc
index 0442f9123dc..1064424d45d 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/noexcept.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/noexcept.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2013-2022 Free Software Foundation, Inc.
+// Copyright (C) 2013-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/swap.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/swap.cc
index 511d3b020e2..a2b36745a2d 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/swap.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/swap.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2013-2022 Free Software Foundation, Inc.
+// Copyright (C) 2013-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/buckets/swap.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/buckets/swap.cc
index bb7db3fa513..9a5cf1d5c98 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/buckets/swap.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/buckets/swap.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++11 } }
 
-// Copyright (C) 2013-2022 Free Software Foundation, Inc.
+// Copyright (C) 2013-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/cons/66055.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/cons/66055.cc
index 742ef346ace..581e8dd482a 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/cons/66055.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/cons/66055.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2015-2022 Free Software Foundation, Inc.
+// Copyright (C) 2015-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/cons/99985.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/cons/99985.cc
index 9d581dc3302..8f9e949cd89 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/cons/99985.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/cons/99985.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2021-2022 Free Software Foundation, Inc.
+// Copyright (C) 2021-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/cons/bucket_hint.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/cons/bucket_hint.cc
index bef43f14d65..7c343535259 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/cons/bucket_hint.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/cons/bucket_hint.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++11 } }
 
-// Copyright (C) 2020-2022 Free Software Foundation, Inc.
+// Copyright (C) 2020-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/cons/moveable.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/cons/moveable.cc
index 534f6891070..c2a4c8a46a9 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/cons/moveable.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/cons/moveable.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++11 } }
 
-// Copyright (C) 2007-2022 Free Software Foundation, Inc.
+// Copyright (C) 2007-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/cons/noexcept_default_construct.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/cons/noexcept_default_construct.cc
index aeabac2cdf8..dd8843729ce 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/cons/noexcept_default_construct.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/cons/noexcept_default_construct.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2020-2022 Free Software Foundation, Inc.
+// Copyright (C) 2020-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/cons/noexcept_move_construct.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/cons/noexcept_move_construct.cc
index 01f56714286..7e28955c7a6 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/cons/noexcept_move_construct.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/cons/noexcept_move_construct.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++11 } }
 
-// Copyright (C) 2020-2022 Free Software Foundation, Inc.
+// Copyright (C) 2020-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/cons/self_move.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/cons/self_move.cc
index 3b549f122fb..530a544457a 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/cons/self_move.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/cons/self_move.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2020-2022 Free Software Foundation, Inc.
+// Copyright (C) 2020-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/60499.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/60499.cc
index 8d4d13ee09b..75adff3d0da 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/60499.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/60499.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2014-2022 Free Software Foundation, Inc.
+// Copyright (C) 2014-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/89608_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/89608_neg.cc
index c9d04bff233..7b7053a077f 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/89608_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/89608_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2019-2022 Free Software Foundation, Inc.
+// Copyright (C) 2019-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/90102.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/90102.cc
index 0414ae2d25d..88b613a1ab5 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/90102.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/90102.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2020-2022 Free Software Foundation, Inc.
+// Copyright (C) 2020-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/begin1_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/begin1_neg.cc
index e9690dd32f1..55161be16c3 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/begin1_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/begin1_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2012-2022 Free Software Foundation, Inc.
+// Copyright (C) 2012-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/begin2_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/begin2_neg.cc
index 5c7bf5d007d..7c190210184 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/begin2_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/begin2_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2012-2022 Free Software Foundation, Inc.
+// Copyright (C) 2012-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/bucket_size_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/bucket_size_neg.cc
index 83471e5bb9e..ddd7a97bf12 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/bucket_size_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/bucket_size_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2012-2022 Free Software Foundation, Inc.
+// Copyright (C) 2012-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/cbegin_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/cbegin_neg.cc
index 8e73999ec75..98b02d32883 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/cbegin_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/cbegin_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2012-2022 Free Software Foundation, Inc.
+// Copyright (C) 2012-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/cend_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/cend_neg.cc
index 99d863c377a..644ad39bfb2 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/cend_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/cend_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2012-2022 Free Software Foundation, Inc.
+// Copyright (C) 2012-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct1_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct1_neg.cc
index ca7408ac4a7..faf14866142 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct1_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct1_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2010-2022 Free Software Foundation, Inc.
+// Copyright (C) 2010-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct2_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct2_neg.cc
index 6aa6ea5c4f5..1426fe75aea 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct2_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct2_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2010-2022 Free Software Foundation, Inc.
+// Copyright (C) 2010-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct3_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct3_neg.cc
index 96316fd6363..dd307a3cb6a 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct3_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct3_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2010-2022 Free Software Foundation, Inc.
+// Copyright (C) 2010-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct4_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct4_neg.cc
index d9825250b32..70389b9e48a 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct4_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct4_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2010-2022 Free Software Foundation, Inc.
+// Copyright (C) 2010-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct5_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct5_neg.cc
index 5999c8890b3..f2e80bfb040 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct5_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct5_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2014-2022 Free Software Foundation, Inc.
+// Copyright (C) 2014-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/debug_functions.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/debug_functions.cc
index 84c98d3eba9..60006913f6c 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/debug_functions.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/debug_functions.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2013-2022 Free Software Foundation, Inc.
+// Copyright (C) 2013-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/end1_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/end1_neg.cc
index 26388f2e1cb..0def9ff5246 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/end1_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/end1_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2012-2022 Free Software Foundation, Inc.
+// Copyright (C) 2012-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/end2_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/end2_neg.cc
index 7d6ad9ce628..96d03ba5b28 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/end2_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/end2_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2012-2022 Free Software Foundation, Inc.
+// Copyright (C) 2012-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert1_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert1_neg.cc
index 257268c28cf..604f6fb7859 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert1_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert1_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2010-2022 Free Software Foundation, Inc.
+// Copyright (C) 2010-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert2_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert2_neg.cc
index 733a92488ce..63e7a3af05d 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert2_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert2_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2010-2022 Free Software Foundation, Inc.
+// Copyright (C) 2010-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert3_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert3_neg.cc
index 7e6dd909a67..11432409835 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert3_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert3_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2010-2022 Free Software Foundation, Inc.
+// Copyright (C) 2010-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert4_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert4_neg.cc
index 2cbf05cf339..3184b109b25 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert4_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert4_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2010-2022 Free Software Foundation, Inc.
+// Copyright (C) 2010-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/invalid_local_iterator_compare_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/invalid_local_iterator_compare_neg.cc
index 57c7a78ec69..f4c34acecb0 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/invalid_local_iterator_compare_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/invalid_local_iterator_compare_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2011-2022 Free Software Foundation, Inc.
+// Copyright (C) 2011-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/invalid_local_iterator_range_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/invalid_local_iterator_range_neg.cc
index 3ecfce78427..25c805f1478 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/invalid_local_iterator_range_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/invalid_local_iterator_range_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2011-2022 Free Software Foundation, Inc.
+// Copyright (C) 2011-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/max_load_factor_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/max_load_factor_neg.cc
index 24d88ec9b1c..6ab2d0d6395 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/max_load_factor_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/max_load_factor_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2012-2022 Free Software Foundation, Inc.
+// Copyright (C) 2012-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/move_assign_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/move_assign_neg.cc
index b4e11210d04..85baa06e133 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/move_assign_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/move_assign_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2014-2022 Free Software Foundation, Inc.
+// Copyright (C) 2014-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/move_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/move_neg.cc
index a5071702bdc..022e0e080d1 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/move_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/move_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2014-2022 Free Software Foundation, Inc.
+// Copyright (C) 2014-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/use_erased_local_iterator_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/use_erased_local_iterator_neg.cc
index 5d9a1264069..a5de29b726b 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/use_erased_local_iterator_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/use_erased_local_iterator_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2011-2022 Free Software Foundation, Inc.
+// Copyright (C) 2011-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/use_invalid_iterator_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/use_invalid_iterator_neg.cc
index 6b5a5d7fab6..c7bdaa78ceb 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/use_invalid_iterator_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/use_invalid_iterator_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2011-2022 Free Software Foundation, Inc.
+// Copyright (C) 2011-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/use_invalid_local_iterator_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/use_invalid_local_iterator_neg.cc
index edac0f1154b..582673725e2 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/use_invalid_local_iterator_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/use_invalid_local_iterator_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2011-2022 Free Software Foundation, Inc.
+// Copyright (C) 2011-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/erase/1.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/erase/1.cc
index cedc4d89b7d..9735b049760 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/erase/1.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/erase/1.cc
@@ -2,7 +2,7 @@
 
 // 2010-02-10  Paolo Carlini  <paolo.carlini@oracle.com> 
 //
-// Copyright (C) 2010-2022 Free Software Foundation, Inc.
+// Copyright (C) 2010-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/erase/24061-set.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/erase/24061-set.cc
index 467c9a2e15a..ff07083b5ba 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/erase/24061-set.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/erase/24061-set.cc
@@ -2,7 +2,7 @@
 
 // 2010-02-10  Paolo Carlini  <paolo.carlini@oracle.com> 
 //
-// Copyright (C) 2010-2022 Free Software Foundation, Inc.
+// Copyright (C) 2010-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/erase/51142.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/erase/51142.cc
index 1f8ced03160..3d637cbf33e 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/erase/51142.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/erase/51142.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2011-2022 Free Software Foundation, Inc.
+// Copyright (C) 2011-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/erasure.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/erasure.cc
index 76845494289..31611e31858 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/erasure.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/erasure.cc
@@ -1,7 +1,7 @@
 // { dg-options "-std=gnu++2a" }
 // { dg-do run { target c++2a } }
 
-// Copyright (C) 2018-2022 Free Software Foundation, Inc.
+// Copyright (C) 2018-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/final_hash.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/final_hash.cc
index 05fd9be599a..43d479737cf 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/final_hash.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/final_hash.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++11 } }
 
-// Copyright (C) 2011-2022 Free Software Foundation, Inc.
+// Copyright (C) 2011-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/26132.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/26132.cc
index 627355b1858..089dd4ae72f 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/26132.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/26132.cc
@@ -2,7 +2,7 @@
 
 // 2010-08-13  Paolo Carlini  <paolo.carlini@oracle.com>
 //
-// Copyright (C) 2010-2022 Free Software Foundation, Inc.
+// Copyright (C) 2010-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/71181.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/71181.cc
index 25895ca110c..2433b7f2ed4 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/71181.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/71181.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2016-2022 Free Software Foundation, Inc.
+// Copyright (C) 2016-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/dr1189.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/dr1189.cc
index d0fb1bbb046..8519040dcac 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/dr1189.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/dr1189.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++11 } }
 // 2010-03-10  Paolo Carlini  <paolo.carlini@oracle.com>
 //
-// Copyright (C) 2010-2022 Free Software Foundation, Inc.
+// Copyright (C) 2010-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/load_factor.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/load_factor.cc
index 71e5bad06af..7b79d15370d 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/load_factor.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/load_factor.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2011-2022 Free Software Foundation, Inc.
+// Copyright (C) 2011-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc
index 4546b204351..a0c55d8590c 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2016-2022 Free Software Foundation, Inc.
+// Copyright (C) 2016-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/prime_rehash.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/prime_rehash.cc
index 95d46eb7946..a1f43620796 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/prime_rehash.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/prime_rehash.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2016-2022 Free Software Foundation, Inc.
+// Copyright (C) 2016-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/rehash.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/rehash.cc
index 39c4180e922..4a5b00759d3 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/rehash.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/rehash.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2011-2022 Free Software Foundation, Inc.
+// Copyright (C) 2011-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/init-list.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/init-list.cc
index fc11498c718..90449d3c8a1 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/init-list.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/init-list.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2008-2022 Free Software Foundation, Inc.
+// Copyright (C) 2008-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/insert/105717.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/insert/105717.cc
index ab229c5baa1..e23bce511c0 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/insert/105717.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/insert/105717.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++11 } }
 
-// Copyright (C) 2022 Free Software Foundation, Inc.
+// Copyright (C) 2022-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/insert/24061-set.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/insert/24061-set.cc
index 570036d13c9..b08c6093b4c 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/insert/24061-set.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/insert/24061-set.cc
@@ -2,7 +2,7 @@
 
 // 2010-02-10  Paolo Carlini  <paolo.carlini@oracle.com> 
 //
-// Copyright (C) 2010-2022 Free Software Foundation, Inc.
+// Copyright (C) 2010-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/insert/83709.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/insert/83709.cc
index bc7ac8c818d..770054fb36b 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/insert/83709.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/insert/83709.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++11 } }
 //
-// Copyright (C) 2018-2022 Free Software Foundation, Inc.
+// Copyright (C) 2018-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/insert/hash_policy.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/insert/hash_policy.cc
index 4a93fa18820..f1a06ca5110 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/insert/hash_policy.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/insert/hash_policy.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++11 } }
 
-// Copyright (C) 2011-2022 Free Software Foundation, Inc.
+// Copyright (C) 2011-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/insert/move_range.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/insert/move_range.cc
index 98d5c0f3dcd..0deb14a940d 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/insert/move_range.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/insert/move_range.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++11 } }
 
-// Copyright (C) 2013-2022 Free Software Foundation, Inc.
+// Copyright (C) 2013-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/insert/set_range.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/insert/set_range.cc
index b666188552b..13f90dc4c0e 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/insert/set_range.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/insert/set_range.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++11 } }
 
-// Copyright (C) 2010-2022 Free Software Foundation, Inc.
+// Copyright (C) 2010-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/insert/set_single.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/insert/set_single.cc
index e237ab58d22..86e5fd0a676 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/insert/set_single.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/insert/set_single.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++11 } }
 
-// Copyright (C) 2010-2022 Free Software Foundation, Inc.
+// Copyright (C) 2010-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/insert/set_single_move.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/insert/set_single_move.cc
index 9124d02a47a..4560d62a173 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/insert/set_single_move.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/insert/set_single_move.cc
@@ -2,7 +2,7 @@
 
 // 2010-10-27  Paolo Carlini  <paolo.carlini@oracle.com> 
 //
-// Copyright (C) 2010-2022 Free Software Foundation, Inc.
+// Copyright (C) 2010-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/instantiation_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/instantiation_neg.cc
index cc631ebbf25..c2453e8ab6d 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/instantiation_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/instantiation_neg.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-require-normal-mode "" }
 
-// Copyright (C) 2011-2022 Free Software Foundation, Inc.
+// Copyright (C) 2011-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/max_load_factor/robustness.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/max_load_factor/robustness.cc
index 3e61a12949b..178a9bcd60c 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/max_load_factor/robustness.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/max_load_factor/robustness.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++11 } }
 
-// Copyright (C) 2011-2022 Free Software Foundation, Inc.
+// Copyright (C) 2011-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/92878_92947.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/92878_92947.cc
index d2f0c593210..0ee4b846397 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/92878_92947.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/92878_92947.cc
@@ -1,7 +1,7 @@
 // { dg-options "-std=gnu++2a" }
 // { dg-do run { target c++2a } }
 
-// Copyright (C) 2020-2022 Free Software Foundation, Inc.
+// Copyright (C) 2020-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/emplace.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/emplace.cc
index fa0fca2814a..3ee6f6269d6 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/emplace.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/emplace.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++11 } }
 
-// Copyright (C) 2011-2022 Free Software Foundation, Inc.
+// Copyright (C) 2011-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/extract.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/extract.cc
index 7984baa13e7..648d1361225 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/extract.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/extract.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2016-2022 Free Software Foundation, Inc.
+// Copyright (C) 2016-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/insert.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/insert.cc
index 7d6eb0f5b1c..9e313713833 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/insert.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/insert.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++11 } }
 
-// Copyright (C) 2020-2022 Free Software Foundation, Inc.
+// Copyright (C) 2020-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/merge.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/merge.cc
index 9522c4212f1..33b8b4ccbf5 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/merge.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/merge.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2016-2022 Free Software Foundation, Inc.
+// Copyright (C) 2016-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/reserve.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/reserve.cc
index c3fc998185b..661d10a69eb 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/reserve.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/reserve.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++11 } }
 
-// Copyright (C) 2012-2022 Free Software Foundation, Inc.
+// Copyright (C) 2012-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/swap.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/swap.cc
index e69afff26c9..ffa78e8629f 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/swap.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/swap.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2014-2022 Free Software Foundation, Inc.
+// Copyright (C) 2014-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/observers.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/observers.cc
index eeff8aab50f..c68d4707254 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/observers.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/observers.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++11 } }
 
-// Copyright (C) 2012-2022 Free Software Foundation, Inc.
+// Copyright (C) 2012-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/operations/1.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/operations/1.cc
index ef8b3f7ad18..b2f13990b56 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/operations/1.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/operations/1.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2021-2022 Free Software Foundation, Inc.
+// Copyright (C) 2021-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/operations/contains.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/operations/contains.cc
index d4938382ed3..4713c5f51f1 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/operations/contains.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/operations/contains.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2022 Free Software Foundation, Inc.
+// Copyright (C) 2018-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/operations/count.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/operations/count.cc
index 842ad24b8c3..0fa93035caf 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/operations/count.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/operations/count.cc
@@ -2,7 +2,7 @@
 
 // 2011-10-28  Paolo Carlini  <paolo.carlini@oracle.com>
 
-// Copyright (C) 2011-2022 Free Software Foundation, Inc.
+// Copyright (C) 2011-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/operators/1.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/operators/1.cc
index 582ff6dece1..fede3d5d7b8 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/operators/1.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/operators/1.cc
@@ -2,7 +2,7 @@
 
 // 2010-03-25  Paolo Carlini  <paolo.carlini@oracle.com>
 
-// Copyright (C) 2010-2022 Free Software Foundation, Inc.
+// Copyright (C) 2010-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/operators/52309.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/operators/52309.cc
index 9aff9a8e08a..4005d21c57a 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/operators/52309.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/operators/52309.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++11 } }
 
-// Copyright (C) 2012-2022 Free Software Foundation, Inc.
+// Copyright (C) 2012-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/pmr_typedefs.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/pmr_typedefs.cc
index 4736cfff86f..0bf18addbec 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/pmr_typedefs.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/pmr_typedefs.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2022 Free Software Foundation, Inc.
+// Copyright (C) 2018-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc
index 9b0d679b888..19e159d0479 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2018-2022 Free Software Foundation, Inc.
+// Copyright (C) 2018-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/range_access.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/range_access.cc
index 537c41cbf1a..f14472cefaf 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/range_access.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/range_access.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++11 } }
 
-// Copyright (C) 2010-2022 Free Software Foundation, Inc.
+// Copyright (C) 2010-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/52942.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/52942.cc
index d9c8f7cf7d3..475d7e59b94 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/52942.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/52942.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++11 } }
 
-// Copyright (C) 2012-2022 Free Software Foundation, Inc.
+// Copyright (C) 2012-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/53067.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/53067.cc
index 6e5e33063b0..42560e11f59 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/53067.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/53067.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++11 } }
 
-// Copyright (C) 2012-2022 Free Software Foundation, Inc.
+// Copyright (C) 2012-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/citerators.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/citerators.cc
index ec1910f9d5d..acf7df9edcb 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/citerators.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/citerators.cc
@@ -2,7 +2,7 @@
 
 // 2007-10-15  Paolo Carlini  <pcarlini@suse.de>
 
-// Copyright (C) 2007-2022 Free Software Foundation, Inc.
+// Copyright (C) 2007-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/cliterators.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/cliterators.cc
index 4676a4635bd..85af65499ee 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/cliterators.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/cliterators.cc
@@ -2,7 +2,7 @@
 
 // 2007-06-11  Paolo Carlini  <paolo.carlini@oracle.com>
 
-// Copyright (C) 2008-2022 Free Software Foundation, Inc.
+// Copyright (C) 2008-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/debug_container.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/debug_container.cc
index 83e7ddf9c1e..dedd925b109 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/debug_container.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/debug_container.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++11 } }
 
-// Copyright (C) 2007-2022 Free Software Foundation, Inc.
+// Copyright (C) 2007-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/debug_mode.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/debug_mode.cc
index cb895dea2d8..8273007f2a8 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/debug_mode.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/debug_mode.cc
@@ -2,7 +2,7 @@
 
 // { dg-do compile { target c++11 } }
 
-// Copyright (C) 2007-2022 Free Software Foundation, Inc.
+// Copyright (C) 2007-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/exception/basic.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/exception/basic.cc
index 641c2da6611..c46b4af12ac 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/exception/basic.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/exception/basic.cc
@@ -3,7 +3,7 @@
 
 // 2009-11-30  Benjamin Kosnik  <benjamin@redhat.com>
 
-// Copyright (C) 2009-2022 Free Software Foundation, Inc.
+// Copyright (C) 2009-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/exception/generation_prohibited.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/exception/generation_prohibited.cc
index 484f7550c91..e3c66b9f664 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/exception/generation_prohibited.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/exception/generation_prohibited.cc
@@ -3,7 +3,7 @@
 
 // 2009-09-09  Benjamin Kosnik  <benjamin@redhat.com>
 
-// Copyright (C) 2009-2022 Free Software Foundation, Inc.
+// Copyright (C) 2009-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/exception/propagation_consistent.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/exception/propagation_consistent.cc
index 0933a39b73f..6f81ee16726 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/exception/propagation_consistent.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/exception/propagation_consistent.cc
@@ -3,7 +3,7 @@
 
 // 2009-09-09  Benjamin Kosnik  <benjamin@redhat.com>
 
-// Copyright (C) 2009-2022 Free Software Foundation, Inc.
+// Copyright (C) 2009-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/1.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/1.cc
index b7fd9fa3aa2..c480c006520 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/1.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/1.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++11 } }
 
-// Copyright (C) 2007-2022 Free Software Foundation, Inc.
+// Copyright (C) 2007-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/2.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/2.cc
index b5fa77d00a2..fa7cc34ecd9 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/2.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/2.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++11 } }
 
-// Copyright (C) 2009-2022 Free Software Foundation, Inc.
+// Copyright (C) 2009-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/3.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/3.cc
index e77dd09e6f1..07777a8053b 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/3.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/3.cc
@@ -2,7 +2,7 @@
 // The extension that implicitly rebinds allocators is in gnu++98/11/14/17 only
 // { dg-skip-if "" { *-*-* } { "-std=c++*" "-std=gnu++2*" "-D_GLIBCXX_CONCEPT_CHECKS*" } }
 
-// Copyright (C) 2007-2022 Free Software Foundation, Inc.
+// Copyright (C) 2007-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/4.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/4.cc
index 21f5df4766c..046be1d6d12 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/4.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/4.cc
@@ -2,7 +2,7 @@
 
 // 2010-05-20  Paolo Carlini  <paolo.carlini@oracle.com>
 //
-// Copyright (C) 2010-2022 Free Software Foundation, Inc.
+// Copyright (C) 2010-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/5.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/5.cc
index 17e556cf47b..0d7510a231f 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/5.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/5.cc
@@ -1,5 +1,5 @@
 
-// Copyright (C) 2011-2022 Free Software Foundation, Inc.
+// Copyright (C) 2011-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/typedefs.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/typedefs.cc
index 81eb599eaf6..77be66b7b65 100644
--- a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/typedefs.cc
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/typedefs.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++11 } }
 
-// Copyright (C) 2009-2022 Free Software Foundation, Inc.
+// Copyright (C) 2009-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the