Update copyright years.

88 files changed, 88 insertions, 88 deletions

diff --git a/libstdc++-v3/testsuite/special_functions/01_assoc_laguerre/check_nan.cc b/libstdc++-v3/testsuite/special_functions/01_assoc_laguerre/check_nan.cc
index f31add6..e0ee510 100644
--- a/libstdc++-v3/testsuite/special_functions/01_assoc_laguerre/check_nan.cc
+++ b/libstdc++-v3/testsuite/special_functions/01_assoc_laguerre/check_nan.cc
@@ -3,7 +3,7 @@
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 // { dg-add-options ieee }
 
-// 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/special_functions/01_assoc_laguerre/check_value.cc b/libstdc++-v3/testsuite/special_functions/01_assoc_laguerre/check_value.cc
index 7219408..6a6962d 100644
--- a/libstdc++-v3/testsuite/special_functions/01_assoc_laguerre/check_value.cc
+++ b/libstdc++-v3/testsuite/special_functions/01_assoc_laguerre/check_value.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 //
-// 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/special_functions/01_assoc_laguerre/compile.cc b/libstdc++-v3/testsuite/special_functions/01_assoc_laguerre/compile.cc
index ab2aab1..03d3497 100644
--- a/libstdc++-v3/testsuite/special_functions/01_assoc_laguerre/compile.cc
+++ b/libstdc++-v3/testsuite/special_functions/01_assoc_laguerre/compile.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/01_assoc_laguerre/compile_2.cc b/libstdc++-v3/testsuite/special_functions/01_assoc_laguerre/compile_2.cc
index b6c58de..d30e8b5 100644
--- a/libstdc++-v3/testsuite/special_functions/01_assoc_laguerre/compile_2.cc
+++ b/libstdc++-v3/testsuite/special_functions/01_assoc_laguerre/compile_2.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/02_assoc_legendre/check_nan.cc b/libstdc++-v3/testsuite/special_functions/02_assoc_legendre/check_nan.cc
index 87dc812..1cf699ac 100644
--- a/libstdc++-v3/testsuite/special_functions/02_assoc_legendre/check_nan.cc
+++ b/libstdc++-v3/testsuite/special_functions/02_assoc_legendre/check_nan.cc
@@ -3,7 +3,7 @@
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 // { dg-add-options ieee }
 
-// 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/special_functions/02_assoc_legendre/check_value.cc b/libstdc++-v3/testsuite/special_functions/02_assoc_legendre/check_value.cc
index 2dd8a63..1f02fef 100644
--- a/libstdc++-v3/testsuite/special_functions/02_assoc_legendre/check_value.cc
+++ b/libstdc++-v3/testsuite/special_functions/02_assoc_legendre/check_value.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__ -ffp-contract=off" }
 
-// 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/special_functions/02_assoc_legendre/compile.cc b/libstdc++-v3/testsuite/special_functions/02_assoc_legendre/compile.cc
index 32b55d9..701272b 100644
--- a/libstdc++-v3/testsuite/special_functions/02_assoc_legendre/compile.cc
+++ b/libstdc++-v3/testsuite/special_functions/02_assoc_legendre/compile.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/02_assoc_legendre/compile_2.cc b/libstdc++-v3/testsuite/special_functions/02_assoc_legendre/compile_2.cc
index 7151a64..f233484 100644
--- a/libstdc++-v3/testsuite/special_functions/02_assoc_legendre/compile_2.cc
+++ b/libstdc++-v3/testsuite/special_functions/02_assoc_legendre/compile_2.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/02_assoc_legendre/pr86655.cc b/libstdc++-v3/testsuite/special_functions/02_assoc_legendre/pr86655.cc
index fb4248d..aaaed28 100644
--- a/libstdc++-v3/testsuite/special_functions/02_assoc_legendre/pr86655.cc
+++ b/libstdc++-v3/testsuite/special_functions/02_assoc_legendre/pr86655.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__ -ffp-contract=off" }
 
-// 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/special_functions/03_beta/check_nan.cc b/libstdc++-v3/testsuite/special_functions/03_beta/check_nan.cc
index 9422a48..a3e72b3 100644
--- a/libstdc++-v3/testsuite/special_functions/03_beta/check_nan.cc
+++ b/libstdc++-v3/testsuite/special_functions/03_beta/check_nan.cc
@@ -3,7 +3,7 @@
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 // { dg-add-options ieee }
 
-// 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/special_functions/03_beta/check_value.cc b/libstdc++-v3/testsuite/special_functions/03_beta/check_value.cc
index 6963b17..6d9436c 100644
--- a/libstdc++-v3/testsuite/special_functions/03_beta/check_value.cc
+++ b/libstdc++-v3/testsuite/special_functions/03_beta/check_value.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 //
-// 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/special_functions/03_beta/compile.cc b/libstdc++-v3/testsuite/special_functions/03_beta/compile.cc
index 52ac09f..c60c64c 100644
--- a/libstdc++-v3/testsuite/special_functions/03_beta/compile.cc
+++ b/libstdc++-v3/testsuite/special_functions/03_beta/compile.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/03_beta/compile_2.cc b/libstdc++-v3/testsuite/special_functions/03_beta/compile_2.cc
index 7b6fff6..28222ad 100644
--- a/libstdc++-v3/testsuite/special_functions/03_beta/compile_2.cc
+++ b/libstdc++-v3/testsuite/special_functions/03_beta/compile_2.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/04_comp_ellint_1/check_nan.cc b/libstdc++-v3/testsuite/special_functions/04_comp_ellint_1/check_nan.cc
index c67d58e..2bdfb70 100644
--- a/libstdc++-v3/testsuite/special_functions/04_comp_ellint_1/check_nan.cc
+++ b/libstdc++-v3/testsuite/special_functions/04_comp_ellint_1/check_nan.cc
@@ -3,7 +3,7 @@
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 // { dg-add-options ieee }
 
-// 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/special_functions/04_comp_ellint_1/check_value.cc b/libstdc++-v3/testsuite/special_functions/04_comp_ellint_1/check_value.cc
index 68f6dbe..4ddcb0d 100644
--- a/libstdc++-v3/testsuite/special_functions/04_comp_ellint_1/check_value.cc
+++ b/libstdc++-v3/testsuite/special_functions/04_comp_ellint_1/check_value.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 //
-// 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/special_functions/04_comp_ellint_1/compile.cc b/libstdc++-v3/testsuite/special_functions/04_comp_ellint_1/compile.cc
index 1fc1550..cf76ae5 100644
--- a/libstdc++-v3/testsuite/special_functions/04_comp_ellint_1/compile.cc
+++ b/libstdc++-v3/testsuite/special_functions/04_comp_ellint_1/compile.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/04_comp_ellint_1/compile_2.cc b/libstdc++-v3/testsuite/special_functions/04_comp_ellint_1/compile_2.cc
index b2deb5c..d91b830 100644
--- a/libstdc++-v3/testsuite/special_functions/04_comp_ellint_1/compile_2.cc
+++ b/libstdc++-v3/testsuite/special_functions/04_comp_ellint_1/compile_2.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/05_comp_ellint_2/check_nan.cc b/libstdc++-v3/testsuite/special_functions/05_comp_ellint_2/check_nan.cc
index 21bbf57..af8f6fd 100644
--- a/libstdc++-v3/testsuite/special_functions/05_comp_ellint_2/check_nan.cc
+++ b/libstdc++-v3/testsuite/special_functions/05_comp_ellint_2/check_nan.cc
@@ -3,7 +3,7 @@
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 // { dg-add-options ieee }
 
-// 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/special_functions/05_comp_ellint_2/check_value.cc b/libstdc++-v3/testsuite/special_functions/05_comp_ellint_2/check_value.cc
index d26ad34..b2cc7b6 100644
--- a/libstdc++-v3/testsuite/special_functions/05_comp_ellint_2/check_value.cc
+++ b/libstdc++-v3/testsuite/special_functions/05_comp_ellint_2/check_value.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 //
-// 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/special_functions/05_comp_ellint_2/compile.cc b/libstdc++-v3/testsuite/special_functions/05_comp_ellint_2/compile.cc
index 7c8c855..c536b97 100644
--- a/libstdc++-v3/testsuite/special_functions/05_comp_ellint_2/compile.cc
+++ b/libstdc++-v3/testsuite/special_functions/05_comp_ellint_2/compile.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/05_comp_ellint_2/compile_2.cc b/libstdc++-v3/testsuite/special_functions/05_comp_ellint_2/compile_2.cc
index db9c060..a757115 100644
--- a/libstdc++-v3/testsuite/special_functions/05_comp_ellint_2/compile_2.cc
+++ b/libstdc++-v3/testsuite/special_functions/05_comp_ellint_2/compile_2.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/06_comp_ellint_3/check_nan.cc b/libstdc++-v3/testsuite/special_functions/06_comp_ellint_3/check_nan.cc
index 914a3ef..fedbbe4 100644
--- a/libstdc++-v3/testsuite/special_functions/06_comp_ellint_3/check_nan.cc
+++ b/libstdc++-v3/testsuite/special_functions/06_comp_ellint_3/check_nan.cc
@@ -3,7 +3,7 @@
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 // { dg-add-options ieee }
 
-// 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/special_functions/06_comp_ellint_3/check_value.cc b/libstdc++-v3/testsuite/special_functions/06_comp_ellint_3/check_value.cc
index 6c1b23c..0bf4028 100644
--- a/libstdc++-v3/testsuite/special_functions/06_comp_ellint_3/check_value.cc
+++ b/libstdc++-v3/testsuite/special_functions/06_comp_ellint_3/check_value.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 //
-// 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/special_functions/06_comp_ellint_3/compile.cc b/libstdc++-v3/testsuite/special_functions/06_comp_ellint_3/compile.cc
index 9c8c1fb..6defbde 100644
--- a/libstdc++-v3/testsuite/special_functions/06_comp_ellint_3/compile.cc
+++ b/libstdc++-v3/testsuite/special_functions/06_comp_ellint_3/compile.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/06_comp_ellint_3/compile_2.cc b/libstdc++-v3/testsuite/special_functions/06_comp_ellint_3/compile_2.cc
index 4e0a20d..a2c9ec5 100644
--- a/libstdc++-v3/testsuite/special_functions/06_comp_ellint_3/compile_2.cc
+++ b/libstdc++-v3/testsuite/special_functions/06_comp_ellint_3/compile_2.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/07_cyl_bessel_i/check_nan.cc b/libstdc++-v3/testsuite/special_functions/07_cyl_bessel_i/check_nan.cc
index 40f7c2e..9f54f00 100644
--- a/libstdc++-v3/testsuite/special_functions/07_cyl_bessel_i/check_nan.cc
+++ b/libstdc++-v3/testsuite/special_functions/07_cyl_bessel_i/check_nan.cc
@@ -4,7 +4,7 @@
 // { dg-add-options ieee }
 // { dg-prune-output ".*warning: tgammal has lower than advertised precision" }
 
-// 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/special_functions/07_cyl_bessel_i/check_value.cc b/libstdc++-v3/testsuite/special_functions/07_cyl_bessel_i/check_value.cc
index 5a7500a..049827b 100644
--- a/libstdc++-v3/testsuite/special_functions/07_cyl_bessel_i/check_value.cc
+++ b/libstdc++-v3/testsuite/special_functions/07_cyl_bessel_i/check_value.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 //
-// 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/special_functions/07_cyl_bessel_i/compile.cc b/libstdc++-v3/testsuite/special_functions/07_cyl_bessel_i/compile.cc
index b2d82a8..e39c747 100644
--- a/libstdc++-v3/testsuite/special_functions/07_cyl_bessel_i/compile.cc
+++ b/libstdc++-v3/testsuite/special_functions/07_cyl_bessel_i/compile.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/07_cyl_bessel_i/compile_2.cc b/libstdc++-v3/testsuite/special_functions/07_cyl_bessel_i/compile_2.cc
index ccdc26b..7728190 100644
--- a/libstdc++-v3/testsuite/special_functions/07_cyl_bessel_i/compile_2.cc
+++ b/libstdc++-v3/testsuite/special_functions/07_cyl_bessel_i/compile_2.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/07_cyl_bessel_i/pr56216.cc b/libstdc++-v3/testsuite/special_functions/07_cyl_bessel_i/pr56216.cc
index 6f66122..38e0e04 100644
--- a/libstdc++-v3/testsuite/special_functions/07_cyl_bessel_i/pr56216.cc
+++ b/libstdc++-v3/testsuite/special_functions/07_cyl_bessel_i/pr56216.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
-// 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/special_functions/08_cyl_bessel_j/check_nan.cc b/libstdc++-v3/testsuite/special_functions/08_cyl_bessel_j/check_nan.cc
index 3dc5ff8..532ce6c 100644
--- a/libstdc++-v3/testsuite/special_functions/08_cyl_bessel_j/check_nan.cc
+++ b/libstdc++-v3/testsuite/special_functions/08_cyl_bessel_j/check_nan.cc
@@ -4,7 +4,7 @@
 // { dg-add-options ieee }
 // { dg-prune-output ".*warning: tgammal has lower than advertised precision" }
 
-// 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/special_functions/08_cyl_bessel_j/check_value.cc b/libstdc++-v3/testsuite/special_functions/08_cyl_bessel_j/check_value.cc
index 9c47fb7..45361d9 100644
--- a/libstdc++-v3/testsuite/special_functions/08_cyl_bessel_j/check_value.cc
+++ b/libstdc++-v3/testsuite/special_functions/08_cyl_bessel_j/check_value.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 //
-// 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/special_functions/08_cyl_bessel_j/compile.cc b/libstdc++-v3/testsuite/special_functions/08_cyl_bessel_j/compile.cc
index 1061fb1..5088467 100644
--- a/libstdc++-v3/testsuite/special_functions/08_cyl_bessel_j/compile.cc
+++ b/libstdc++-v3/testsuite/special_functions/08_cyl_bessel_j/compile.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/08_cyl_bessel_j/compile_2.cc b/libstdc++-v3/testsuite/special_functions/08_cyl_bessel_j/compile_2.cc
index 7b7feb0..e1ab2f4 100644
--- a/libstdc++-v3/testsuite/special_functions/08_cyl_bessel_j/compile_2.cc
+++ b/libstdc++-v3/testsuite/special_functions/08_cyl_bessel_j/compile_2.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/09_cyl_bessel_k/check_nan.cc b/libstdc++-v3/testsuite/special_functions/09_cyl_bessel_k/check_nan.cc
index 53e36c9..cb3ff30 100644
--- a/libstdc++-v3/testsuite/special_functions/09_cyl_bessel_k/check_nan.cc
+++ b/libstdc++-v3/testsuite/special_functions/09_cyl_bessel_k/check_nan.cc
@@ -4,7 +4,7 @@
 // { dg-add-options ieee }
 // { dg-prune-output ".*warning: tgammal has lower than advertised precision" }
 
-// 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/special_functions/09_cyl_bessel_k/check_value.cc b/libstdc++-v3/testsuite/special_functions/09_cyl_bessel_k/check_value.cc
index d74e86f..547c780 100644
--- a/libstdc++-v3/testsuite/special_functions/09_cyl_bessel_k/check_value.cc
+++ b/libstdc++-v3/testsuite/special_functions/09_cyl_bessel_k/check_value.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 //
-// 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/special_functions/09_cyl_bessel_k/compile.cc b/libstdc++-v3/testsuite/special_functions/09_cyl_bessel_k/compile.cc
index 0823f47..d0facef 100644
--- a/libstdc++-v3/testsuite/special_functions/09_cyl_bessel_k/compile.cc
+++ b/libstdc++-v3/testsuite/special_functions/09_cyl_bessel_k/compile.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/09_cyl_bessel_k/compile_2.cc b/libstdc++-v3/testsuite/special_functions/09_cyl_bessel_k/compile_2.cc
index 4c1c079..1b42e50 100644
--- a/libstdc++-v3/testsuite/special_functions/09_cyl_bessel_k/compile_2.cc
+++ b/libstdc++-v3/testsuite/special_functions/09_cyl_bessel_k/compile_2.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/10_cyl_neumann/check_nan.cc b/libstdc++-v3/testsuite/special_functions/10_cyl_neumann/check_nan.cc
index 52d2e31..9432b93 100644
--- a/libstdc++-v3/testsuite/special_functions/10_cyl_neumann/check_nan.cc
+++ b/libstdc++-v3/testsuite/special_functions/10_cyl_neumann/check_nan.cc
@@ -4,7 +4,7 @@
 // { dg-add-options ieee }
 // { dg-prune-output ".*warning: tgammal has lower than advertised precision" }
 
-// 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/special_functions/10_cyl_neumann/check_value.cc b/libstdc++-v3/testsuite/special_functions/10_cyl_neumann/check_value.cc
index 5c1a35b..92dfaf4 100644
--- a/libstdc++-v3/testsuite/special_functions/10_cyl_neumann/check_value.cc
+++ b/libstdc++-v3/testsuite/special_functions/10_cyl_neumann/check_value.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 //
-// 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/special_functions/10_cyl_neumann/compile.cc b/libstdc++-v3/testsuite/special_functions/10_cyl_neumann/compile.cc
index af3bbf6..b3f81cd 100644
--- a/libstdc++-v3/testsuite/special_functions/10_cyl_neumann/compile.cc
+++ b/libstdc++-v3/testsuite/special_functions/10_cyl_neumann/compile.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/10_cyl_neumann/compile_2.cc b/libstdc++-v3/testsuite/special_functions/10_cyl_neumann/compile_2.cc
index 0ebc31f..0232974 100644
--- a/libstdc++-v3/testsuite/special_functions/10_cyl_neumann/compile_2.cc
+++ b/libstdc++-v3/testsuite/special_functions/10_cyl_neumann/compile_2.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/11_ellint_1/check_nan.cc b/libstdc++-v3/testsuite/special_functions/11_ellint_1/check_nan.cc
index a463326..26713ce 100644
--- a/libstdc++-v3/testsuite/special_functions/11_ellint_1/check_nan.cc
+++ b/libstdc++-v3/testsuite/special_functions/11_ellint_1/check_nan.cc
@@ -3,7 +3,7 @@
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 // { dg-add-options ieee }
 
-// 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/special_functions/11_ellint_1/check_value.cc b/libstdc++-v3/testsuite/special_functions/11_ellint_1/check_value.cc
index d9b08fa..47aa2fd 100644
--- a/libstdc++-v3/testsuite/special_functions/11_ellint_1/check_value.cc
+++ b/libstdc++-v3/testsuite/special_functions/11_ellint_1/check_value.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 //
-// 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/special_functions/11_ellint_1/compile.cc b/libstdc++-v3/testsuite/special_functions/11_ellint_1/compile.cc
index 6d04902..a600dca 100644
--- a/libstdc++-v3/testsuite/special_functions/11_ellint_1/compile.cc
+++ b/libstdc++-v3/testsuite/special_functions/11_ellint_1/compile.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/11_ellint_1/compile_2.cc b/libstdc++-v3/testsuite/special_functions/11_ellint_1/compile_2.cc
index 540ea9c..0a9361d 100644
--- a/libstdc++-v3/testsuite/special_functions/11_ellint_1/compile_2.cc
+++ b/libstdc++-v3/testsuite/special_functions/11_ellint_1/compile_2.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/12_ellint_2/check_nan.cc b/libstdc++-v3/testsuite/special_functions/12_ellint_2/check_nan.cc
index 5508804..a7ac57b 100644
--- a/libstdc++-v3/testsuite/special_functions/12_ellint_2/check_nan.cc
+++ b/libstdc++-v3/testsuite/special_functions/12_ellint_2/check_nan.cc
@@ -3,7 +3,7 @@
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 // { dg-add-options ieee }
 
-// 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/special_functions/12_ellint_2/check_value.cc b/libstdc++-v3/testsuite/special_functions/12_ellint_2/check_value.cc
index 0c17039..26e5251 100644
--- a/libstdc++-v3/testsuite/special_functions/12_ellint_2/check_value.cc
+++ b/libstdc++-v3/testsuite/special_functions/12_ellint_2/check_value.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 //
-// 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/special_functions/12_ellint_2/compile.cc b/libstdc++-v3/testsuite/special_functions/12_ellint_2/compile.cc
index 2c6609aa..ee4264d 100644
--- a/libstdc++-v3/testsuite/special_functions/12_ellint_2/compile.cc
+++ b/libstdc++-v3/testsuite/special_functions/12_ellint_2/compile.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/12_ellint_2/compile_2.cc b/libstdc++-v3/testsuite/special_functions/12_ellint_2/compile_2.cc
index da45e5f..4f9c246 100644
--- a/libstdc++-v3/testsuite/special_functions/12_ellint_2/compile_2.cc
+++ b/libstdc++-v3/testsuite/special_functions/12_ellint_2/compile_2.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/13_ellint_3/check_nan.cc b/libstdc++-v3/testsuite/special_functions/13_ellint_3/check_nan.cc
index 0f96f6e..ab429df 100644
--- a/libstdc++-v3/testsuite/special_functions/13_ellint_3/check_nan.cc
+++ b/libstdc++-v3/testsuite/special_functions/13_ellint_3/check_nan.cc
@@ -3,7 +3,7 @@
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 // { dg-add-options ieee }
 
-// 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/special_functions/13_ellint_3/check_value.cc b/libstdc++-v3/testsuite/special_functions/13_ellint_3/check_value.cc
index 1d82450..986a23c 100644
--- a/libstdc++-v3/testsuite/special_functions/13_ellint_3/check_value.cc
+++ b/libstdc++-v3/testsuite/special_functions/13_ellint_3/check_value.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 //
-// 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/special_functions/13_ellint_3/compile.cc b/libstdc++-v3/testsuite/special_functions/13_ellint_3/compile.cc
index 7c27b6a..3f292c52 100644
--- a/libstdc++-v3/testsuite/special_functions/13_ellint_3/compile.cc
+++ b/libstdc++-v3/testsuite/special_functions/13_ellint_3/compile.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/13_ellint_3/compile_2.cc b/libstdc++-v3/testsuite/special_functions/13_ellint_3/compile_2.cc
index f92c57c..ae945ff 100644
--- a/libstdc++-v3/testsuite/special_functions/13_ellint_3/compile_2.cc
+++ b/libstdc++-v3/testsuite/special_functions/13_ellint_3/compile_2.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/14_expint/check_nan.cc b/libstdc++-v3/testsuite/special_functions/14_expint/check_nan.cc
index ea873e9..7d3def6 100644
--- a/libstdc++-v3/testsuite/special_functions/14_expint/check_nan.cc
+++ b/libstdc++-v3/testsuite/special_functions/14_expint/check_nan.cc
@@ -3,7 +3,7 @@
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 // { dg-add-options ieee }
 
-// 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/special_functions/14_expint/check_value.cc b/libstdc++-v3/testsuite/special_functions/14_expint/check_value.cc
index 7ea47b9..5153e62 100644
--- a/libstdc++-v3/testsuite/special_functions/14_expint/check_value.cc
+++ b/libstdc++-v3/testsuite/special_functions/14_expint/check_value.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 //
-// 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/special_functions/14_expint/compile.cc b/libstdc++-v3/testsuite/special_functions/14_expint/compile.cc
index 58446dd..829c2d4 100644
--- a/libstdc++-v3/testsuite/special_functions/14_expint/compile.cc
+++ b/libstdc++-v3/testsuite/special_functions/14_expint/compile.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/14_expint/compile_2.cc b/libstdc++-v3/testsuite/special_functions/14_expint/compile_2.cc
index f028642..232a88c 100644
--- a/libstdc++-v3/testsuite/special_functions/14_expint/compile_2.cc
+++ b/libstdc++-v3/testsuite/special_functions/14_expint/compile_2.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/14_expint/pr68397.cc b/libstdc++-v3/testsuite/special_functions/14_expint/pr68397.cc
index b9f04bc..78d3cab 100644
--- a/libstdc++-v3/testsuite/special_functions/14_expint/pr68397.cc
+++ b/libstdc++-v3/testsuite/special_functions/14_expint/pr68397.cc
@@ -1,6 +1,6 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
-// 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/special_functions/15_hermite/check_nan.cc b/libstdc++-v3/testsuite/special_functions/15_hermite/check_nan.cc
index 3730f38..993b4b4 100644
--- a/libstdc++-v3/testsuite/special_functions/15_hermite/check_nan.cc
+++ b/libstdc++-v3/testsuite/special_functions/15_hermite/check_nan.cc
@@ -3,7 +3,7 @@
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 // { dg-add-options ieee }
 
-// 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/special_functions/15_hermite/check_value.cc b/libstdc++-v3/testsuite/special_functions/15_hermite/check_value.cc
index fa250eb..7641d05 100644
--- a/libstdc++-v3/testsuite/special_functions/15_hermite/check_value.cc
+++ b/libstdc++-v3/testsuite/special_functions/15_hermite/check_value.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 //
-// 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/special_functions/15_hermite/compile.cc b/libstdc++-v3/testsuite/special_functions/15_hermite/compile.cc
index f118dec..73e93f3 100644
--- a/libstdc++-v3/testsuite/special_functions/15_hermite/compile.cc
+++ b/libstdc++-v3/testsuite/special_functions/15_hermite/compile.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/15_hermite/compile_2.cc b/libstdc++-v3/testsuite/special_functions/15_hermite/compile_2.cc
index ae334ba..1ee9d9c 100644
--- a/libstdc++-v3/testsuite/special_functions/15_hermite/compile_2.cc
+++ b/libstdc++-v3/testsuite/special_functions/15_hermite/compile_2.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/16_laguerre/check_nan.cc b/libstdc++-v3/testsuite/special_functions/16_laguerre/check_nan.cc
index 9201591..c767488 100644
--- a/libstdc++-v3/testsuite/special_functions/16_laguerre/check_nan.cc
+++ b/libstdc++-v3/testsuite/special_functions/16_laguerre/check_nan.cc
@@ -3,7 +3,7 @@
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 // { dg-add-options ieee }
 
-// 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/special_functions/16_laguerre/check_value.cc b/libstdc++-v3/testsuite/special_functions/16_laguerre/check_value.cc
index 12b059d..fda9048 100644
--- a/libstdc++-v3/testsuite/special_functions/16_laguerre/check_value.cc
+++ b/libstdc++-v3/testsuite/special_functions/16_laguerre/check_value.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 //
-// 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/special_functions/16_laguerre/compile.cc b/libstdc++-v3/testsuite/special_functions/16_laguerre/compile.cc
index fd4f807..5c0d20f 100644
--- a/libstdc++-v3/testsuite/special_functions/16_laguerre/compile.cc
+++ b/libstdc++-v3/testsuite/special_functions/16_laguerre/compile.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/16_laguerre/compile_2.cc b/libstdc++-v3/testsuite/special_functions/16_laguerre/compile_2.cc
index 4dafd6a..1ab9d34 100644
--- a/libstdc++-v3/testsuite/special_functions/16_laguerre/compile_2.cc
+++ b/libstdc++-v3/testsuite/special_functions/16_laguerre/compile_2.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/17_legendre/check_nan.cc b/libstdc++-v3/testsuite/special_functions/17_legendre/check_nan.cc
index 314ded3..5a8438c 100644
--- a/libstdc++-v3/testsuite/special_functions/17_legendre/check_nan.cc
+++ b/libstdc++-v3/testsuite/special_functions/17_legendre/check_nan.cc
@@ -3,7 +3,7 @@
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 // { dg-add-options ieee }
 
-// 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/special_functions/17_legendre/check_value.cc b/libstdc++-v3/testsuite/special_functions/17_legendre/check_value.cc
index b59a527..22679f6 100644
--- a/libstdc++-v3/testsuite/special_functions/17_legendre/check_value.cc
+++ b/libstdc++-v3/testsuite/special_functions/17_legendre/check_value.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 //
-// 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/special_functions/17_legendre/compile.cc b/libstdc++-v3/testsuite/special_functions/17_legendre/compile.cc
index 4a0540a..2001901 100644
--- a/libstdc++-v3/testsuite/special_functions/17_legendre/compile.cc
+++ b/libstdc++-v3/testsuite/special_functions/17_legendre/compile.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/17_legendre/compile_2.cc b/libstdc++-v3/testsuite/special_functions/17_legendre/compile_2.cc
index e72818b..e529efc 100644
--- a/libstdc++-v3/testsuite/special_functions/17_legendre/compile_2.cc
+++ b/libstdc++-v3/testsuite/special_functions/17_legendre/compile_2.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/18_riemann_zeta/check_nan.cc b/libstdc++-v3/testsuite/special_functions/18_riemann_zeta/check_nan.cc
index d63ee64..09aff78 100644
--- a/libstdc++-v3/testsuite/special_functions/18_riemann_zeta/check_nan.cc
+++ b/libstdc++-v3/testsuite/special_functions/18_riemann_zeta/check_nan.cc
@@ -3,7 +3,7 @@
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 // { dg-add-options ieee }
 
-// 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/special_functions/18_riemann_zeta/check_value.cc b/libstdc++-v3/testsuite/special_functions/18_riemann_zeta/check_value.cc
index 731f87f..d02cba5 100644
--- a/libstdc++-v3/testsuite/special_functions/18_riemann_zeta/check_value.cc
+++ b/libstdc++-v3/testsuite/special_functions/18_riemann_zeta/check_value.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 //
-// 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/special_functions/18_riemann_zeta/compile.cc b/libstdc++-v3/testsuite/special_functions/18_riemann_zeta/compile.cc
index ea9216d..c79698b 100644
--- a/libstdc++-v3/testsuite/special_functions/18_riemann_zeta/compile.cc
+++ b/libstdc++-v3/testsuite/special_functions/18_riemann_zeta/compile.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/18_riemann_zeta/compile_2.cc b/libstdc++-v3/testsuite/special_functions/18_riemann_zeta/compile_2.cc
index 40be3ec..40fc7af 100644
--- a/libstdc++-v3/testsuite/special_functions/18_riemann_zeta/compile_2.cc
+++ b/libstdc++-v3/testsuite/special_functions/18_riemann_zeta/compile_2.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/19_sph_bessel/check_nan.cc b/libstdc++-v3/testsuite/special_functions/19_sph_bessel/check_nan.cc
index 40f67ec..e54e01a 100644
--- a/libstdc++-v3/testsuite/special_functions/19_sph_bessel/check_nan.cc
+++ b/libstdc++-v3/testsuite/special_functions/19_sph_bessel/check_nan.cc
@@ -4,7 +4,7 @@
 // { dg-add-options ieee }
 // { dg-prune-output ".*warning: tgammal has lower than advertised precision" }
 
-// 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/special_functions/19_sph_bessel/check_value.cc b/libstdc++-v3/testsuite/special_functions/19_sph_bessel/check_value.cc
index 7f05cff..10a75ca 100644
--- a/libstdc++-v3/testsuite/special_functions/19_sph_bessel/check_value.cc
+++ b/libstdc++-v3/testsuite/special_functions/19_sph_bessel/check_value.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 //
-// 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/special_functions/19_sph_bessel/compile.cc b/libstdc++-v3/testsuite/special_functions/19_sph_bessel/compile.cc
index 13697ae..8eb20f6 100644
--- a/libstdc++-v3/testsuite/special_functions/19_sph_bessel/compile.cc
+++ b/libstdc++-v3/testsuite/special_functions/19_sph_bessel/compile.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/19_sph_bessel/compile_2.cc b/libstdc++-v3/testsuite/special_functions/19_sph_bessel/compile_2.cc
index d57475d..7c680d1 100644
--- a/libstdc++-v3/testsuite/special_functions/19_sph_bessel/compile_2.cc
+++ b/libstdc++-v3/testsuite/special_functions/19_sph_bessel/compile_2.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/20_sph_legendre/check_nan.cc b/libstdc++-v3/testsuite/special_functions/20_sph_legendre/check_nan.cc
index 725e376..458c14b 100644
--- a/libstdc++-v3/testsuite/special_functions/20_sph_legendre/check_nan.cc
+++ b/libstdc++-v3/testsuite/special_functions/20_sph_legendre/check_nan.cc
@@ -3,7 +3,7 @@
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 // { dg-add-options ieee }
 
-// 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/special_functions/20_sph_legendre/check_value.cc b/libstdc++-v3/testsuite/special_functions/20_sph_legendre/check_value.cc
index f45683c..5258e21 100644
--- a/libstdc++-v3/testsuite/special_functions/20_sph_legendre/check_value.cc
+++ b/libstdc++-v3/testsuite/special_functions/20_sph_legendre/check_value.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 //
-// 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/special_functions/20_sph_legendre/compile.cc b/libstdc++-v3/testsuite/special_functions/20_sph_legendre/compile.cc
index bde842b..12699b8 100644
--- a/libstdc++-v3/testsuite/special_functions/20_sph_legendre/compile.cc
+++ b/libstdc++-v3/testsuite/special_functions/20_sph_legendre/compile.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/20_sph_legendre/compile_2.cc b/libstdc++-v3/testsuite/special_functions/20_sph_legendre/compile_2.cc
index 72abd6b..fe5b800 100644
--- a/libstdc++-v3/testsuite/special_functions/20_sph_legendre/compile_2.cc
+++ b/libstdc++-v3/testsuite/special_functions/20_sph_legendre/compile_2.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/20_sph_legendre/pr86655.cc b/libstdc++-v3/testsuite/special_functions/20_sph_legendre/pr86655.cc
index 8d882e1..7bde975 100644
--- a/libstdc++-v3/testsuite/special_functions/20_sph_legendre/pr86655.cc
+++ b/libstdc++-v3/testsuite/special_functions/20_sph_legendre/pr86655.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__ -ffp-contract=off" }
 
-// 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/special_functions/21_sph_neumann/check_nan.cc b/libstdc++-v3/testsuite/special_functions/21_sph_neumann/check_nan.cc
index 57e92e5..b9edada 100644
--- a/libstdc++-v3/testsuite/special_functions/21_sph_neumann/check_nan.cc
+++ b/libstdc++-v3/testsuite/special_functions/21_sph_neumann/check_nan.cc
@@ -4,7 +4,7 @@
 // { dg-add-options ieee }
 // { dg-prune-output ".*warning: tgammal has lower than advertised precision" }
 
-// 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/special_functions/21_sph_neumann/check_value.cc b/libstdc++-v3/testsuite/special_functions/21_sph_neumann/check_value.cc
index 607ee5c..0258f14 100644
--- a/libstdc++-v3/testsuite/special_functions/21_sph_neumann/check_value.cc
+++ b/libstdc++-v3/testsuite/special_functions/21_sph_neumann/check_value.cc
@@ -1,7 +1,7 @@
 // { dg-do run { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 //
-// 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/special_functions/21_sph_neumann/compile.cc b/libstdc++-v3/testsuite/special_functions/21_sph_neumann/compile.cc
index 22e68b3..ee78e77 100644
--- a/libstdc++-v3/testsuite/special_functions/21_sph_neumann/compile.cc
+++ b/libstdc++-v3/testsuite/special_functions/21_sph_neumann/compile.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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/special_functions/21_sph_neumann/compile_2.cc b/libstdc++-v3/testsuite/special_functions/21_sph_neumann/compile_2.cc
index 6fd63f3..cb0d923 100644
--- a/libstdc++-v3/testsuite/special_functions/21_sph_neumann/compile_2.cc
+++ b/libstdc++-v3/testsuite/special_functions/21_sph_neumann/compile_2.cc
@@ -1,7 +1,7 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
 
-// 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