Update copyright years.

136 files changed, 136 insertions, 136 deletions

diff --git a/libstdc++-v3/src/Makefile.am b/libstdc++-v3/src/Makefile.am
index 38943f3..53fc3d0 100644
--- a/libstdc++-v3/src/Makefile.am
+++ b/libstdc++-v3/src/Makefile.am
@@ -1,6 +1,6 @@
 ## Makefile for the C++11 sources of the GNU C++ Standard library.
 ##
-## Copyright (C) 1997-2022 Free Software Foundation, Inc.
+## Copyright (C) 1997-2023 Free Software Foundation, Inc.
 ##
 ## This file is part of the libstdc++ version 3 distribution.
 ## Process this file with automake to produce Makefile.in.
diff --git a/libstdc++-v3/src/c++11/Makefile.am b/libstdc++-v3/src/c++11/Makefile.am
index ecd46aa..a99c9c3 100644
--- a/libstdc++-v3/src/c++11/Makefile.am
+++ b/libstdc++-v3/src/c++11/Makefile.am
@@ -1,6 +1,6 @@
 ## Makefile for the C++11 sources of the GNU C++ Standard library.
 ##
-## Copyright (C) 1997-2022 Free Software Foundation, Inc.
+## Copyright (C) 1997-2023 Free Software Foundation, Inc.
 ##
 ## This file is part of the libstdc++ version 3 distribution.
 ## Process this file with automake to produce Makefile.in.
diff --git a/libstdc++-v3/src/c++11/chrono.cc b/libstdc++-v3/src/c++11/chrono.cc
index 5539d8c..8f869df 100644
--- a/libstdc++-v3/src/c++11/chrono.cc
+++ b/libstdc++-v3/src/c++11/chrono.cc
@@ -1,6 +1,6 @@
 // chrono -*- C++ -*-
 
-// 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/src/c++11/codecvt.cc b/libstdc++-v3/src/c++11/codecvt.cc
index 03f0bfd..e333e79 100644
--- a/libstdc++-v3/src/c++11/codecvt.cc
+++ b/libstdc++-v3/src/c++11/codecvt.cc
@@ -1,6 +1,6 @@
 // Locale support (codecvt) -*- C++ -*-
 
-// 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/src/c++11/compatibility-atomic-c++0x.cc b/libstdc++-v3/src/c++11/compatibility-atomic-c++0x.cc
index e21bd76..7e913ef 100644
--- a/libstdc++-v3/src/c++11/compatibility-atomic-c++0x.cc
+++ b/libstdc++-v3/src/c++11/compatibility-atomic-c++0x.cc
@@ -1,6 +1,6 @@
 // <atomic> compatibility -*- C++ -*-
 
-// 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/src/c++11/compatibility-c++0x.cc b/libstdc++-v3/src/c++11/compatibility-c++0x.cc
index 768dd666..23df722 100644
--- a/libstdc++-v3/src/c++11/compatibility-c++0x.cc
+++ b/libstdc++-v3/src/c++11/compatibility-c++0x.cc
@@ -1,6 +1,6 @@
 // Compatibility symbols for previous versions, C++0x bits -*- C++ -*-
 
-// 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/src/c++11/compatibility-chrono.cc b/libstdc++-v3/src/c++11/compatibility-chrono.cc
index 6beb8b3..0f81485 100644
--- a/libstdc++-v3/src/c++11/compatibility-chrono.cc
+++ b/libstdc++-v3/src/c++11/compatibility-chrono.cc
@@ -1,6 +1,6 @@
 // Compatibility symbols for previous versions, C++0x bits -*- C++ -*-
 
-// 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/src/c++11/compatibility-condvar.cc b/libstdc++-v3/src/c++11/compatibility-condvar.cc
index 3cef3bc..5486262 100644
--- a/libstdc++-v3/src/c++11/compatibility-condvar.cc
+++ b/libstdc++-v3/src/c++11/compatibility-condvar.cc
@@ -1,6 +1,6 @@
 // Compatibility symbols for previous versions, C++0x bits -*- C++ -*-
 
-// 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/src/c++11/compatibility-ldbl-alt128-cxx11.cc b/libstdc++-v3/src/c++11/compatibility-ldbl-alt128-cxx11.cc
index 5a69c88..888eb11 100644
--- a/libstdc++-v3/src/c++11/compatibility-ldbl-alt128-cxx11.cc
+++ b/libstdc++-v3/src/c++11/compatibility-ldbl-alt128-cxx11.cc
@@ -1,6 +1,6 @@
 // Compatibility symbols for alternate 128-bit long-double format -*- C++ -*-
 
-// 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/src/c++11/compatibility-ldbl-alt128.cc b/libstdc++-v3/src/c++11/compatibility-ldbl-alt128.cc
index 939e69d..39b0bc5 100644
--- a/libstdc++-v3/src/c++11/compatibility-ldbl-alt128.cc
+++ b/libstdc++-v3/src/c++11/compatibility-ldbl-alt128.cc
@@ -1,6 +1,6 @@
 // Compatibility symbols for alternate 128-bit long-double format -*- C++ -*-
 
-// 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/src/c++11/compatibility-ldbl-facets-aliases.h b/libstdc++-v3/src/c++11/compatibility-ldbl-facets-aliases.h
index 1fcd47f..70c9342 100644
--- a/libstdc++-v3/src/c++11/compatibility-ldbl-facets-aliases.h
+++ b/libstdc++-v3/src/c++11/compatibility-ldbl-facets-aliases.h
@@ -1,6 +1,6 @@
 // Compatibility aliases for long double support in locales -*- C++ -*-
 
-// Copyright (C) 1999-2022 Free Software Foundation, Inc.
+// Copyright (C) 1999-2023 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/src/c++11/compatibility-thread-c++0x.cc b/libstdc++-v3/src/c++11/compatibility-thread-c++0x.cc
index d920f9f..0b54455 100644
--- a/libstdc++-v3/src/c++11/compatibility-thread-c++0x.cc
+++ b/libstdc++-v3/src/c++11/compatibility-thread-c++0x.cc
@@ -1,6 +1,6 @@
 // Compatibility symbols for previous versions, C++0x bits -*- C++ -*-
 
-// 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/src/c++11/condition_variable.cc b/libstdc++-v3/src/c++11/condition_variable.cc
index 04d4f09..a02b32d 100644
--- a/libstdc++-v3/src/c++11/condition_variable.cc
+++ b/libstdc++-v3/src/c++11/condition_variable.cc
@@ -1,6 +1,6 @@
 // condition_variable -*- C++ -*-
 
-// 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/src/c++11/cow-fstream-inst.cc b/libstdc++-v3/src/c++11/cow-fstream-inst.cc
index 6b6352c..0562bc6 100644
--- a/libstdc++-v3/src/c++11/cow-fstream-inst.cc
+++ b/libstdc++-v3/src/c++11/cow-fstream-inst.cc
@@ -1,6 +1,6 @@
 // Explicit instantiation file.
 
-// 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/src/c++11/cow-locale_init.cc b/libstdc++-v3/src/c++11/cow-locale_init.cc
index 4d5c08f..8527776 100644
--- a/libstdc++-v3/src/c++11/cow-locale_init.cc
+++ b/libstdc++-v3/src/c++11/cow-locale_init.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/src/c++11/cow-shim_facets.cc b/libstdc++-v3/src/c++11/cow-shim_facets.cc
index 4760ca8..466fd94 100644
--- a/libstdc++-v3/src/c++11/cow-shim_facets.cc
+++ b/libstdc++-v3/src/c++11/cow-shim_facets.cc
@@ -1,6 +1,6 @@
 // Locale support -*- C++ -*-
 
-// 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/src/c++11/cow-sstream-inst.cc b/libstdc++-v3/src/c++11/cow-sstream-inst.cc
index 8839f4a..035a267 100644
--- a/libstdc++-v3/src/c++11/cow-sstream-inst.cc
+++ b/libstdc++-v3/src/c++11/cow-sstream-inst.cc
@@ -1,6 +1,6 @@
 // Explicit instantiation file.
 
-// 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/src/c++11/cow-stdexcept.cc b/libstdc++-v3/src/c++11/cow-stdexcept.cc
index 9e87874..652f248 100644
--- a/libstdc++-v3/src/c++11/cow-stdexcept.cc
+++ b/libstdc++-v3/src/c++11/cow-stdexcept.cc
@@ -1,6 +1,6 @@
 // Methods for Exception Support for -*- C++ -*-
 
-// 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/src/c++11/cow-string-inst.cc b/libstdc++-v3/src/c++11/cow-string-inst.cc
index e5331bb..c6b3a2c 100644
--- a/libstdc++-v3/src/c++11/cow-string-inst.cc
+++ b/libstdc++-v3/src/c++11/cow-string-inst.cc
@@ -1,6 +1,6 @@
 // Reference-counted COW string instantiations -*- C++ -*-
 
-// 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/src/c++11/cow-string-io-inst.cc b/libstdc++-v3/src/c++11/cow-string-io-inst.cc
index 3f65aeb9..505bc9d 100644
--- a/libstdc++-v3/src/c++11/cow-string-io-inst.cc
+++ b/libstdc++-v3/src/c++11/cow-string-io-inst.cc
@@ -1,6 +1,6 @@
 // Reference-counted COW string instantiations for I/O -*- C++ -*-
 
-// 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/src/c++11/cow-wstring-inst.cc b/libstdc++-v3/src/c++11/cow-wstring-inst.cc
index a38c128..ce533ea 100644
--- a/libstdc++-v3/src/c++11/cow-wstring-inst.cc
+++ b/libstdc++-v3/src/c++11/cow-wstring-inst.cc
@@ -1,6 +1,6 @@
 // Reference-counted COW wide string instantiations -*- C++ -*-
 
-// 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/src/c++11/cow-wstring-io-inst.cc b/libstdc++-v3/src/c++11/cow-wstring-io-inst.cc
index dbd19e0..49394b0e 100644
--- a/libstdc++-v3/src/c++11/cow-wstring-io-inst.cc
+++ b/libstdc++-v3/src/c++11/cow-wstring-io-inst.cc
@@ -1,6 +1,6 @@
 // Reference-counted COW wide string instantiations for I/O -*- C++ -*-
 
-// 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/src/c++11/ctype.cc b/libstdc++-v3/src/c++11/ctype.cc
index f128654..3d536b3 100644
--- a/libstdc++-v3/src/c++11/ctype.cc
+++ b/libstdc++-v3/src/c++11/ctype.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 1997-2022 Free Software Foundation, Inc.
+// Copyright (C) 1997-2023 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/src/c++11/cxx11-hash_tr1.cc b/libstdc++-v3/src/c++11/cxx11-hash_tr1.cc
index f36541f..22a7685 100644
--- a/libstdc++-v3/src/c++11/cxx11-hash_tr1.cc
+++ b/libstdc++-v3/src/c++11/cxx11-hash_tr1.cc
@@ -1,6 +1,6 @@
 // std::tr1::hash definitions with new string -*- C++ -*-
 
-// 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/src/c++11/cxx11-ios_failure.cc b/libstdc++-v3/src/c++11/cxx11-ios_failure.cc
index 0a81e15..e0e816b 100644
--- a/libstdc++-v3/src/c++11/cxx11-ios_failure.cc
+++ b/libstdc++-v3/src/c++11/cxx11-ios_failure.cc
@@ -1,6 +1,6 @@
 // Iostreams base classes -*- C++ -*-
 
-// 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/src/c++11/cxx11-locale-inst.cc b/libstdc++-v3/src/c++11/cxx11-locale-inst.cc
index 5c86005..94b1818 100644
--- a/libstdc++-v3/src/c++11/cxx11-locale-inst.cc
+++ b/libstdc++-v3/src/c++11/cxx11-locale-inst.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/src/c++11/cxx11-shim_facets.cc b/libstdc++-v3/src/c++11/cxx11-shim_facets.cc
index 747c038..3979ba5 100644
--- a/libstdc++-v3/src/c++11/cxx11-shim_facets.cc
+++ b/libstdc++-v3/src/c++11/cxx11-shim_facets.cc
@@ -1,6 +1,6 @@
 // Locale support -*- C++ -*-
 
-// 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/src/c++11/cxx11-stdexcept.cc b/libstdc++-v3/src/c++11/cxx11-stdexcept.cc
index 236bc40..74c070c 100644
--- a/libstdc++-v3/src/c++11/cxx11-stdexcept.cc
+++ b/libstdc++-v3/src/c++11/cxx11-stdexcept.cc
@@ -1,6 +1,6 @@
 // Methods for Exception Support for -*- C++ -*-
 
-// 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/src/c++11/cxx11-wlocale-inst.cc b/libstdc++-v3/src/c++11/cxx11-wlocale-inst.cc
index 6d26292..11fb15d 100644
--- a/libstdc++-v3/src/c++11/cxx11-wlocale-inst.cc
+++ b/libstdc++-v3/src/c++11/cxx11-wlocale-inst.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/src/c++11/debug.cc b/libstdc++-v3/src/c++11/debug.cc
index 83996ff..d4ee5fa 100644
--- a/libstdc++-v3/src/c++11/debug.cc
+++ b/libstdc++-v3/src/c++11/debug.cc
@@ -1,6 +1,6 @@
 // Debugging mode support code -*- C++ -*-
 
-// Copyright (C) 2003-2022 Free Software Foundation, Inc.
+// Copyright (C) 2003-2023 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/src/c++11/ext11-inst.cc b/libstdc++-v3/src/c++11/ext11-inst.cc
index f653d60..708236d 100644
--- a/libstdc++-v3/src/c++11/ext11-inst.cc
+++ b/libstdc++-v3/src/c++11/ext11-inst.cc
@@ -1,6 +1,6 @@
 // Explicit instantiation file.
 
-// 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/src/c++11/fstream-inst.cc b/libstdc++-v3/src/c++11/fstream-inst.cc
index 7bf56c7..5eed28a 100644
--- a/libstdc++-v3/src/c++11/fstream-inst.cc
+++ b/libstdc++-v3/src/c++11/fstream-inst.cc
@@ -1,6 +1,6 @@
 // Explicit instantiation file.
 
-// Copyright (C) 1997-2022 Free Software Foundation, Inc.
+// Copyright (C) 1997-2023 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/src/c++11/functexcept.cc b/libstdc++-v3/src/c++11/functexcept.cc
index d055a9a..f834427 100644
--- a/libstdc++-v3/src/c++11/functexcept.cc
+++ b/libstdc++-v3/src/c++11/functexcept.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2001-2022 Free Software Foundation, Inc.
+// Copyright (C) 2001-2023 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/src/c++11/functional.cc b/libstdc++-v3/src/c++11/functional.cc
index ba0b488..7dcbb64 100644
--- a/libstdc++-v3/src/c++11/functional.cc
+++ b/libstdc++-v3/src/c++11/functional.cc
@@ -1,6 +1,6 @@
 // Support for <functional> -*- C++ -*-
 
-// 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/src/c++11/futex.cc b/libstdc++-v3/src/c++11/futex.cc
index 4d56c28..c930ab2 100644
--- a/libstdc++-v3/src/c++11/futex.cc
+++ b/libstdc++-v3/src/c++11/futex.cc
@@ -1,6 +1,6 @@
 // futex -*- C++ -*-
 
-// 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/src/c++11/future.cc b/libstdc++-v3/src/c++11/future.cc
index c52c057..6f42645 100644
--- a/libstdc++-v3/src/c++11/future.cc
+++ b/libstdc++-v3/src/c++11/future.cc
@@ -1,6 +1,6 @@
 // future -*- C++ -*-
 
-// 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/src/c++11/hash_c++0x.cc b/libstdc++-v3/src/c++11/hash_c++0x.cc
index c220065..99e1066 100644
--- a/libstdc++-v3/src/c++11/hash_c++0x.cc
+++ b/libstdc++-v3/src/c++11/hash_c++0x.cc
@@ -1,6 +1,6 @@
 // std::hash definitions -*- C++ -*-
 
-// 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/src/c++11/hashtable_c++0x.cc b/libstdc++-v3/src/c++11/hashtable_c++0x.cc
index b42f436..9673d86 100644
--- a/libstdc++-v3/src/c++11/hashtable_c++0x.cc
+++ b/libstdc++-v3/src/c++11/hashtable_c++0x.cc
@@ -1,6 +1,6 @@
 // std::__detail definitions -*- C++ -*-
 
-// 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/src/c++11/ios-inst.cc b/libstdc++-v3/src/c++11/ios-inst.cc
index a5d70dc..edc1fd3 100644
--- a/libstdc++-v3/src/c++11/ios-inst.cc
+++ b/libstdc++-v3/src/c++11/ios-inst.cc
@@ -1,6 +1,6 @@
 // Explicit instantiation file.
 
-// Copyright (C) 1997-2022 Free Software Foundation, Inc.
+// Copyright (C) 1997-2023 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/src/c++11/ios.cc b/libstdc++-v3/src/c++11/ios.cc
index 4e6c4ba..50b8e84 100644
--- a/libstdc++-v3/src/c++11/ios.cc
+++ b/libstdc++-v3/src/c++11/ios.cc
@@ -1,6 +1,6 @@
 // Iostreams base classes -*- C++ -*-
 
-// Copyright (C) 1997-2022 Free Software Foundation, Inc.
+// Copyright (C) 1997-2023 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/src/c++11/ios_errcat.cc b/libstdc++-v3/src/c++11/ios_errcat.cc
index 1219244..f397c18 100644
--- a/libstdc++-v3/src/c++11/ios_errcat.cc
+++ b/libstdc++-v3/src/c++11/ios_errcat.cc
@@ -1,6 +1,6 @@
 // std::iostream_category() definition -*- C++ -*-
 
-// 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/src/c++11/iostream-inst.cc b/libstdc++-v3/src/c++11/iostream-inst.cc
index 7a7e925..d8d0faf 100644
--- a/libstdc++-v3/src/c++11/iostream-inst.cc
+++ b/libstdc++-v3/src/c++11/iostream-inst.cc
@@ -1,6 +1,6 @@
 // Explicit instantiation file.
 
-// Copyright (C) 1997-2022 Free Software Foundation, Inc.
+// Copyright (C) 1997-2023 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/src/c++11/istream-inst.cc b/libstdc++-v3/src/c++11/istream-inst.cc
index 66afaf3..d316f60 100644
--- a/libstdc++-v3/src/c++11/istream-inst.cc
+++ b/libstdc++-v3/src/c++11/istream-inst.cc
@@ -1,6 +1,6 @@
 // Explicit instantiation file.
 
-// Copyright (C) 1997-2022 Free Software Foundation, Inc.
+// Copyright (C) 1997-2023 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/src/c++11/limits.cc b/libstdc++-v3/src/c++11/limits.cc
index 183a0e6..395aca7 100644
--- a/libstdc++-v3/src/c++11/limits.cc
+++ b/libstdc++-v3/src/c++11/limits.cc
@@ -1,6 +1,6 @@
 // Static data members of -*- C++ -*- numeric_limits classes
 
-// Copyright (C) 1999-2022 Free Software Foundation, Inc.
+// Copyright (C) 1999-2023 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/src/c++11/locale-inst-monetary.h b/libstdc++-v3/src/c++11/locale-inst-monetary.h
index 26b1e33..d8fecf2 100644
--- a/libstdc++-v3/src/c++11/locale-inst-monetary.h
+++ b/libstdc++-v3/src/c++11/locale-inst-monetary.h
@@ -1,6 +1,6 @@
 // Explicit instantantiations for monetary facets -*- C++ -*-
 
-// 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/src/c++11/locale-inst-numeric.h b/libstdc++-v3/src/c++11/locale-inst-numeric.h
index 18514e8..c77ee9e 100644
--- a/libstdc++-v3/src/c++11/locale-inst-numeric.h
+++ b/libstdc++-v3/src/c++11/locale-inst-numeric.h
@@ -1,6 +1,6 @@
 // Explicit instantantiations for numeric facets -*- C++ -*-
 
-// 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/src/c++11/locale-inst.cc b/libstdc++-v3/src/c++11/locale-inst.cc
index 6767da7..3a5c684 100644
--- a/libstdc++-v3/src/c++11/locale-inst.cc
+++ b/libstdc++-v3/src/c++11/locale-inst.cc
@@ -1,6 +1,6 @@
 // Locale support -*- C++ -*-
 
-// Copyright (C) 1999-2022 Free Software Foundation, Inc.
+// Copyright (C) 1999-2023 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/src/c++11/mutex.cc b/libstdc++-v3/src/c++11/mutex.cc
index be9f558..1b1caa3 100644
--- a/libstdc++-v3/src/c++11/mutex.cc
+++ b/libstdc++-v3/src/c++11/mutex.cc
@@ -1,6 +1,6 @@
 // mutex -*- C++ -*-
 
-// 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/src/c++11/mutex_pool.h b/libstdc++-v3/src/c++11/mutex_pool.h
index c88124e..5d63bbc 100644
--- a/libstdc++-v3/src/c++11/mutex_pool.h
+++ b/libstdc++-v3/src/c++11/mutex_pool.h
@@ -1,6 +1,6 @@
 // Mutex pool used to limit contention -*- C++ -*-
 
-// 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/src/c++11/ostream-inst.cc b/libstdc++-v3/src/c++11/ostream-inst.cc
index dfa4c03d..41179dc 100644
--- a/libstdc++-v3/src/c++11/ostream-inst.cc
+++ b/libstdc++-v3/src/c++11/ostream-inst.cc
@@ -1,6 +1,6 @@
 // Explicit instantiation file.
 
-// Copyright (C) 1997-2022 Free Software Foundation, Inc.
+// Copyright (C) 1997-2023 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/src/c++11/placeholders.cc b/libstdc++-v3/src/c++11/placeholders.cc
index e2a39a6..3f13b5b 100644
--- a/libstdc++-v3/src/c++11/placeholders.cc
+++ b/libstdc++-v3/src/c++11/placeholders.cc
@@ -1,6 +1,6 @@
 // std::placeholders -*- C++ -*-
 
-// 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/src/c++11/random.cc b/libstdc++-v3/src/c++11/random.cc
index 8b5175a..9872e28 100644
--- a/libstdc++-v3/src/c++11/random.cc
+++ b/libstdc++-v3/src/c++11/random.cc
@@ -1,6 +1,6 @@
 // random -*- C++ -*-
 
-// 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/src/c++11/regex.cc b/libstdc++-v3/src/c++11/regex.cc
index d5e1cc7..2461b82 100644
--- a/libstdc++-v3/src/c++11/regex.cc
+++ b/libstdc++-v3/src/c++11/regex.cc
@@ -1,6 +1,6 @@
 // regex -*- C++ -*-
 
-// 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/src/c++11/shared_ptr.cc b/libstdc++-v3/src/c++11/shared_ptr.cc
index 8e84672..bc70134 100644
--- a/libstdc++-v3/src/c++11/shared_ptr.cc
+++ b/libstdc++-v3/src/c++11/shared_ptr.cc
@@ -1,6 +1,6 @@
 // Support for pointer abstractions -*- C++ -*-
 
-// 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/src/c++11/snprintf_lite.cc b/libstdc++-v3/src/c++11/snprintf_lite.cc
index 6b47218..b0ec7ef 100644
--- a/libstdc++-v3/src/c++11/snprintf_lite.cc
+++ b/libstdc++-v3/src/c++11/snprintf_lite.cc
@@ -1,6 +1,6 @@
 // Debugging support -*- C++ -*-
 
-// Copyright (C) 2013-2022 Free Software Foundation, Inc.
+// Copyright (C) 2013-2023 Free Software Foundation, Inc.
 //
 // This file is part of GCC.
 //
diff --git a/libstdc++-v3/src/c++11/sso_string.cc b/libstdc++-v3/src/c++11/sso_string.cc
index e2a4da4..c3617fc 100644
--- a/libstdc++-v3/src/c++11/sso_string.cc
+++ b/libstdc++-v3/src/c++11/sso_string.cc
@@ -1,6 +1,6 @@
 // Helper for accessing __cxx11::string from the ABI -*- C++ -*-
 
-// 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/src/c++11/sstream-inst.cc b/libstdc++-v3/src/c++11/sstream-inst.cc
index 52aa947..a1c221a 100644
--- a/libstdc++-v3/src/c++11/sstream-inst.cc
+++ b/libstdc++-v3/src/c++11/sstream-inst.cc
@@ -1,6 +1,6 @@
 // Explicit instantiation file.
 
-// Copyright (C) 1997-2022 Free Software Foundation, Inc.
+// Copyright (C) 1997-2023 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/src/c++11/streambuf-inst.cc b/libstdc++-v3/src/c++11/streambuf-inst.cc
index 6e29305..e81826d 100644
--- a/libstdc++-v3/src/c++11/streambuf-inst.cc
+++ b/libstdc++-v3/src/c++11/streambuf-inst.cc
@@ -1,6 +1,6 @@
 // Explicit instantiation file.
 
-// Copyright (C) 1997-2022 Free Software Foundation, Inc.
+// Copyright (C) 1997-2023 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/src/c++11/string-inst.cc b/libstdc++-v3/src/c++11/string-inst.cc
index bfae6d9..ddaafc0 100644
--- a/libstdc++-v3/src/c++11/string-inst.cc
+++ b/libstdc++-v3/src/c++11/string-inst.cc
@@ -1,6 +1,6 @@
 // Components for manipulating sequences of characters -*- C++ -*-
 
-// Copyright (C) 1997-2022 Free Software Foundation, Inc.
+// Copyright (C) 1997-2023 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/src/c++11/string-io-inst.cc b/libstdc++-v3/src/c++11/string-io-inst.cc
index 74c2966..c1ffdf7 100644
--- a/libstdc++-v3/src/c++11/string-io-inst.cc
+++ b/libstdc++-v3/src/c++11/string-io-inst.cc
@@ -1,6 +1,6 @@
 // SSO string instantiations for I/O -*- C++ -*-
 
-// Copyright (C) 1997-2022 Free Software Foundation, Inc.
+// Copyright (C) 1997-2023 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/src/c++11/system_error.cc b/libstdc++-v3/src/c++11/system_error.cc
index 5c76427..6e7c0ac 100644
--- a/libstdc++-v3/src/c++11/system_error.cc
+++ b/libstdc++-v3/src/c++11/system_error.cc
@@ -1,6 +1,6 @@
 // <system_error> implementation file
 
-// 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/src/c++11/thread.cc b/libstdc++-v3/src/c++11/thread.cc
index 4936f62..2d5ffaf 100644
--- a/libstdc++-v3/src/c++11/thread.cc
+++ b/libstdc++-v3/src/c++11/thread.cc
@@ -1,6 +1,6 @@
 // thread -*- C++ -*-
 
-// 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/src/c++11/wlocale-inst.cc b/libstdc++-v3/src/c++11/wlocale-inst.cc
index 0855f67..dc2d234 100644
--- a/libstdc++-v3/src/c++11/wlocale-inst.cc
+++ b/libstdc++-v3/src/c++11/wlocale-inst.cc
@@ -1,6 +1,6 @@
 // Locale support -*- C++ -*-
 
-// Copyright (C) 1999-2022 Free Software Foundation, Inc.
+// Copyright (C) 1999-2023 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/src/c++11/wstring-inst.cc b/libstdc++-v3/src/c++11/wstring-inst.cc
index 42a6c1d..d43b4ce 100644
--- a/libstdc++-v3/src/c++11/wstring-inst.cc
+++ b/libstdc++-v3/src/c++11/wstring-inst.cc
@@ -1,6 +1,6 @@
 // wide string support -*- C++ -*-
 
-// Copyright (C) 1999-2022 Free Software Foundation, Inc.
+// Copyright (C) 1999-2023 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/src/c++11/wstring-io-inst.cc b/libstdc++-v3/src/c++11/wstring-io-inst.cc
index d0ea520..1c93400 100644
--- a/libstdc++-v3/src/c++11/wstring-io-inst.cc
+++ b/libstdc++-v3/src/c++11/wstring-io-inst.cc
@@ -1,6 +1,6 @@
 // SSO string instantiations for I/O -*- C++ -*-
 
-// Copyright (C) 1997-2022 Free Software Foundation, Inc.
+// Copyright (C) 1997-2023 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/src/c++17/Makefile.am b/libstdc++-v3/src/c++17/Makefile.am
index 3d53f65..901b177 100644
--- a/libstdc++-v3/src/c++17/Makefile.am
+++ b/libstdc++-v3/src/c++17/Makefile.am
@@ -1,6 +1,6 @@
 ## Makefile for the C++17 sources of the GNU C++ Standard library.
 ##
-## Copyright (C) 1997-2022 Free Software Foundation, Inc.
+## Copyright (C) 1997-2023 Free Software Foundation, Inc.
 ##
 ## This file is part of the libstdc++ version 3 distribution.
 ## Process this file with automake to produce Makefile.in.
diff --git a/libstdc++-v3/src/c++17/cow-fs_dir.cc b/libstdc++-v3/src/c++17/cow-fs_dir.cc
index 1905d1c..d974a4f 100644
--- a/libstdc++-v3/src/c++17/cow-fs_dir.cc
+++ b/libstdc++-v3/src/c++17/cow-fs_dir.cc
@@ -1,6 +1,6 @@
 // Class filesystem::directory_entry etc. -*- C++ -*-
 
-// 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/src/c++17/cow-fs_ops.cc b/libstdc++-v3/src/c++17/cow-fs_ops.cc
index 227147d..12c82ff 100644
--- a/libstdc++-v3/src/c++17/cow-fs_ops.cc
+++ b/libstdc++-v3/src/c++17/cow-fs_ops.cc
@@ -1,6 +1,6 @@
 // Filesystem operations -*- C++ -*-
 
-// 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/src/c++17/cow-fs_path.cc b/libstdc++-v3/src/c++17/cow-fs_path.cc
index 48af629..3571134 100644
--- a/libstdc++-v3/src/c++17/cow-fs_path.cc
+++ b/libstdc++-v3/src/c++17/cow-fs_path.cc
@@ -1,6 +1,6 @@
 // Class filesystem::path -*- C++ -*-
 
-// 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/src/c++17/cow-string-inst.cc b/libstdc++-v3/src/c++17/cow-string-inst.cc
index e7309ed..eb77f85 100644
--- a/libstdc++-v3/src/c++17/cow-string-inst.cc
+++ b/libstdc++-v3/src/c++17/cow-string-inst.cc
@@ -1,6 +1,6 @@
 // Reference-counted COW string instantiations for C++17 -*- C++ -*-
 
-// 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/src/c++17/floating_from_chars.cc b/libstdc++-v3/src/c++17/floating_from_chars.cc
index 3f5d4d4..5d18ca3 100644
--- a/libstdc++-v3/src/c++17/floating_from_chars.cc
+++ b/libstdc++-v3/src/c++17/floating_from_chars.cc
@@ -1,6 +1,6 @@
 // std::from_chars implementation for floating-point types -*- C++ -*-
 
-// 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/src/c++17/floating_to_chars.cc b/libstdc++-v3/src/c++17/floating_to_chars.cc
index afce8d7..06ba4dd 100644
--- a/libstdc++-v3/src/c++17/floating_to_chars.cc
+++ b/libstdc++-v3/src/c++17/floating_to_chars.cc
@@ -1,6 +1,6 @@
 // std::to_chars implementation for floating-point types -*- C++ -*-
 
-// 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/src/c++17/fs_dir.cc b/libstdc++-v3/src/c++17/fs_dir.cc
index 2258399..d882beb 100644
--- a/libstdc++-v3/src/c++17/fs_dir.cc
+++ b/libstdc++-v3/src/c++17/fs_dir.cc
@@ -1,6 +1,6 @@
 // Class filesystem::directory_entry etc. -*- C++ -*-
 
-// 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/src/c++17/fs_ops.cc b/libstdc++-v3/src/c++17/fs_ops.cc
index b540f84..b49bf4a 100644
--- a/libstdc++-v3/src/c++17/fs_ops.cc
+++ b/libstdc++-v3/src/c++17/fs_ops.cc
@@ -1,6 +1,6 @@
 // Filesystem operations -*- C++ -*-
 
-// 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/src/c++17/fs_path.cc b/libstdc++-v3/src/c++17/fs_path.cc
index 0470823..93149c4 100644
--- a/libstdc++-v3/src/c++17/fs_path.cc
+++ b/libstdc++-v3/src/c++17/fs_path.cc
@@ -1,6 +1,6 @@
 // Class filesystem::path -*- C++ -*-
 
-// 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/src/c++17/memory_resource.cc b/libstdc++-v3/src/c++17/memory_resource.cc
index a1854c5..c0c7cf0 100644
--- a/libstdc++-v3/src/c++17/memory_resource.cc
+++ b/libstdc++-v3/src/c++17/memory_resource.cc
@@ -1,6 +1,6 @@
 // <memory_resource> implementation -*- C++ -*-
 
-// 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/src/c++17/ostream-inst.cc b/libstdc++-v3/src/c++17/ostream-inst.cc
index fae7ca2..bbec7c9 100644
--- a/libstdc++-v3/src/c++17/ostream-inst.cc
+++ b/libstdc++-v3/src/c++17/ostream-inst.cc
@@ -1,6 +1,6 @@
 // std::ostream instantiations for C++17 -*- C++ -*-
 
-// 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/src/c++17/string-inst.cc b/libstdc++-v3/src/c++17/string-inst.cc
index ed5cd22..c8c36fb 100644
--- a/libstdc++-v3/src/c++17/string-inst.cc
+++ b/libstdc++-v3/src/c++17/string-inst.cc
@@ -1,6 +1,6 @@
 // string instantiations for C++17 -*- C++ -*-
 
-// 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/src/c++17/uint128_t.h b/libstdc++-v3/src/c++17/uint128_t.h
index 5b5061b..7bef296 100644
--- a/libstdc++-v3/src/c++17/uint128_t.h
+++ b/libstdc++-v3/src/c++17/uint128_t.h
@@ -1,7 +1,7 @@
 // A relatively minimal unsigned 128-bit integer class type, used by the
 // floating-point std::to_chars implementation on targets that lack __int128.
 
-// 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/src/c++20/Makefile.am b/libstdc++-v3/src/c++20/Makefile.am
index 5ae4145..4bb017c 100644
--- a/libstdc++-v3/src/c++20/Makefile.am
+++ b/libstdc++-v3/src/c++20/Makefile.am
@@ -1,6 +1,6 @@
 ## Makefile for the C++20 sources of the GNU C++ Standard library.
 ##
-## Copyright (C) 1997-2022 Free Software Foundation, Inc.
+## Copyright (C) 1997-2023 Free Software Foundation, Inc.
 ##
 ## This file is part of the libstdc++ version 3 distribution.
 ## Process this file with automake to produce Makefile.in.
diff --git a/libstdc++-v3/src/c++20/sstream-inst.cc b/libstdc++-v3/src/c++20/sstream-inst.cc
index 90cbb4a..fc771fa 100644
--- a/libstdc++-v3/src/c++20/sstream-inst.cc
+++ b/libstdc++-v3/src/c++20/sstream-inst.cc
@@ -1,6 +1,6 @@
 // Explicit instantiation file.
 
-// 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/src/c++98/Makefile.am b/libstdc++-v3/src/c++98/Makefile.am
index b96588b..63e5235 100644
--- a/libstdc++-v3/src/c++98/Makefile.am
+++ b/libstdc++-v3/src/c++98/Makefile.am
@@ -1,6 +1,6 @@
 ## Makefile for the C++03 sources of the GNU C++ Standard library.
 ##
-## Copyright (C) 1997-2022 Free Software Foundation, Inc.
+## Copyright (C) 1997-2023 Free Software Foundation, Inc.
 ##
 ## This file is part of the libstdc++ version 3 distribution.
 ## Process this file with automake to produce Makefile.in.
diff --git a/libstdc++-v3/src/c++98/allocator-inst.cc b/libstdc++-v3/src/c++98/allocator-inst.cc
index 75fb71a..c19ad96 100644
--- a/libstdc++-v3/src/c++98/allocator-inst.cc
+++ b/libstdc++-v3/src/c++98/allocator-inst.cc
@@ -1,6 +1,6 @@
 // Explicit instantiation file.
 
-// Copyright (C) 1999-2022 Free Software Foundation, Inc.
+// Copyright (C) 1999-2023 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/src/c++98/bitmap_allocator.cc b/libstdc++-v3/src/c++98/bitmap_allocator.cc
index a3250a7..3b43310 100644
--- a/libstdc++-v3/src/c++98/bitmap_allocator.cc
+++ b/libstdc++-v3/src/c++98/bitmap_allocator.cc
@@ -1,6 +1,6 @@
 // Bitmap Allocator. Out of line function definitions. -*- C++ -*-
 
-// Copyright (C) 2004-2022 Free Software Foundation, Inc.
+// Copyright (C) 2004-2023 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/src/c++98/codecvt.cc b/libstdc++-v3/src/c++98/codecvt.cc
index 6afd663..d3c8950 100644
--- a/libstdc++-v3/src/c++98/codecvt.cc
+++ b/libstdc++-v3/src/c++98/codecvt.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2000-2022 Free Software Foundation, Inc.
+// Copyright (C) 2000-2023 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/src/c++98/compatibility-debug_list-2.cc b/libstdc++-v3/src/c++98/compatibility-debug_list-2.cc
index 66d2f54..dcc5918 100644
--- a/libstdc++-v3/src/c++98/compatibility-debug_list-2.cc
+++ b/libstdc++-v3/src/c++98/compatibility-debug_list-2.cc
@@ -1,6 +1,6 @@
 // Compatibility symbols for previous versions, debug list -*- C++ -*-
 
-// 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/src/c++98/compatibility-debug_list.cc b/libstdc++-v3/src/c++98/compatibility-debug_list.cc
index 2a72440..2f2caaf 100644
--- a/libstdc++-v3/src/c++98/compatibility-debug_list.cc
+++ b/libstdc++-v3/src/c++98/compatibility-debug_list.cc
@@ -1,6 +1,6 @@
 // Compatibility symbols for previous versions, debug list -*- C++ -*-
 
-// 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/src/c++98/compatibility-ldbl.cc b/libstdc++-v3/src/c++98/compatibility-ldbl.cc
index 55a5943..7d1089e 100644
--- a/libstdc++-v3/src/c++98/compatibility-ldbl.cc
+++ b/libstdc++-v3/src/c++98/compatibility-ldbl.cc
@@ -1,6 +1,6 @@
 // Compatibility symbols for -mlong-double-64 compatibility -*- C++ -*-
 
-// Copyright (C) 2006-2022 Free Software Foundation, Inc.
+// Copyright (C) 2006-2023 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/src/c++98/compatibility.cc b/libstdc++-v3/src/c++98/compatibility.cc
index 0efe47c..5ff21f0 100644
--- a/libstdc++-v3/src/c++98/compatibility.cc
+++ b/libstdc++-v3/src/c++98/compatibility.cc
@@ -1,6 +1,6 @@
 // Compatibility symbols for previous versions -*- C++ -*-
 
-// Copyright (C) 2005-2022 Free Software Foundation, Inc.
+// Copyright (C) 2005-2023 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/src/c++98/complex_io.cc b/libstdc++-v3/src/c++98/complex_io.cc
index f533892..d481852 100644
--- a/libstdc++-v3/src/c++98/complex_io.cc
+++ b/libstdc++-v3/src/c++98/complex_io.cc
@@ -1,6 +1,6 @@
 // The template and inlines for the -*- C++ -*- complex number classes.
 
-// Copyright (C) 2000-2022 Free Software Foundation, Inc.
+// Copyright (C) 2000-2023 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/src/c++98/concept-inst.cc b/libstdc++-v3/src/c++98/concept-inst.cc
index 3e458c1..fa3a4b1 100644
--- a/libstdc++-v3/src/c++98/concept-inst.cc
+++ b/libstdc++-v3/src/c++98/concept-inst.cc
@@ -1,6 +1,6 @@
 // Concept checking instantiations -*- C++ -*-
 
-// Copyright (C) 2001-2022 Free Software Foundation, Inc.
+// Copyright (C) 2001-2023 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/src/c++98/cow-istream-string.cc b/libstdc++-v3/src/c++98/cow-istream-string.cc
index d90ec2a..405f9ec 100644
--- a/libstdc++-v3/src/c++98/cow-istream-string.cc
+++ b/libstdc++-v3/src/c++98/cow-istream-string.cc
@@ -1,6 +1,6 @@
 // Input streams operating on strings -*- C++ -*-
 
-// 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/src/c++98/ext-inst.cc b/libstdc++-v3/src/c++98/ext-inst.cc
index 3786525..57e08cb 100644
--- a/libstdc++-v3/src/c++98/ext-inst.cc
+++ b/libstdc++-v3/src/c++98/ext-inst.cc
@@ -1,6 +1,6 @@
 // Explicit instantiation file.
 
-// Copyright (C) 2001-2022 Free Software Foundation, Inc.
+// Copyright (C) 2001-2023 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/src/c++98/globals_io.cc b/libstdc++-v3/src/c++98/globals_io.cc
index bfd808b..0c4f270 100644
--- a/libstdc++-v3/src/c++98/globals_io.cc
+++ b/libstdc++-v3/src/c++98/globals_io.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2001-2022 Free Software Foundation, Inc.
+// Copyright (C) 2001-2023 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/src/c++98/hash-long-double-tr1-aux.cc b/libstdc++-v3/src/c++98/hash-long-double-tr1-aux.cc
index 0e73663..cd0ed8c 100644
--- a/libstdc++-v3/src/c++98/hash-long-double-tr1-aux.cc
+++ b/libstdc++-v3/src/c++98/hash-long-double-tr1-aux.cc
@@ -1,6 +1,6 @@
 // std::tr1::hash definitions, long double bits -*- C++ -*-
 
-// 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/src/c++98/hash_tr1.cc b/libstdc++-v3/src/c++98/hash_tr1.cc
index caa424e..e132c01 100644
--- a/libstdc++-v3/src/c++98/hash_tr1.cc
+++ b/libstdc++-v3/src/c++98/hash_tr1.cc
@@ -1,6 +1,6 @@
 // std::tr1::hash definitions -*- C++ -*-
 
-// 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/src/c++98/hashtable_tr1.cc b/libstdc++-v3/src/c++98/hashtable_tr1.cc
index ac67631..ef33fa1 100644
--- a/libstdc++-v3/src/c++98/hashtable_tr1.cc
+++ b/libstdc++-v3/src/c++98/hashtable_tr1.cc
@@ -1,6 +1,6 @@
 // std::__detail definitions -*- C++ -*-
 
-// 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/src/c++98/ios_failure.cc b/libstdc++-v3/src/c++98/ios_failure.cc
index 523d1f6..27476ec 100644
--- a/libstdc++-v3/src/c++98/ios_failure.cc
+++ b/libstdc++-v3/src/c++98/ios_failure.cc
@@ -1,6 +1,6 @@
 // Iostreams base classes -*- C++ -*-
 
-// Copyright (C) 1997-2022 Free Software Foundation, Inc.
+// Copyright (C) 1997-2023 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/src/c++98/ios_init.cc b/libstdc++-v3/src/c++98/ios_init.cc
index 1b5132f..6b43a6b 100644
--- a/libstdc++-v3/src/c++98/ios_init.cc
+++ b/libstdc++-v3/src/c++98/ios_init.cc
@@ -1,6 +1,6 @@
 // Iostreams base classes -*- C++ -*-
 
-// Copyright (C) 1997-2022 Free Software Foundation, Inc.
+// Copyright (C) 1997-2023 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/src/c++98/ios_locale.cc b/libstdc++-v3/src/c++98/ios_locale.cc
index b6384ea..13a661a 100644
--- a/libstdc++-v3/src/c++98/ios_locale.cc
+++ b/libstdc++-v3/src/c++98/ios_locale.cc
@@ -1,6 +1,6 @@
 // Iostreams base classes -*- C++ -*-
 
-// Copyright (C) 1997-2022 Free Software Foundation, Inc.
+// Copyright (C) 1997-2023 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/src/c++98/istream-string.cc b/libstdc++-v3/src/c++98/istream-string.cc
index 19f5f0c..4859987 100644
--- a/libstdc++-v3/src/c++98/istream-string.cc
+++ b/libstdc++-v3/src/c++98/istream-string.cc
@@ -1,6 +1,6 @@
 // Input streams operating on strings-*- C++ -*-
 
-// Copyright (C) 2004-2022 Free Software Foundation, Inc.
+// Copyright (C) 2004-2023 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/src/c++98/istream.cc b/libstdc++-v3/src/c++98/istream.cc
index 4d1e34f..74bf7b6 100644
--- a/libstdc++-v3/src/c++98/istream.cc
+++ b/libstdc++-v3/src/c++98/istream.cc
@@ -1,6 +1,6 @@
 // Input streams -*- C++ -*-
 
-// Copyright (C) 2004-2022 Free Software Foundation, Inc.
+// Copyright (C) 2004-2023 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/src/c++98/list-aux-2.cc b/libstdc++-v3/src/c++98/list-aux-2.cc
index 7d8e85a..cde0537 100644
--- a/libstdc++-v3/src/c++98/list-aux-2.cc
+++ b/libstdc++-v3/src/c++98/list-aux-2.cc
@@ -1,6 +1,6 @@
 // Compatibility symbols for previous versions, list bits -*- C++ -*-
 
-// 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/src/c++98/list-aux.cc b/libstdc++-v3/src/c++98/list-aux.cc
index 21b746c..dc2dd1f 100644
--- a/libstdc++-v3/src/c++98/list-aux.cc
+++ b/libstdc++-v3/src/c++98/list-aux.cc
@@ -1,6 +1,6 @@
 // Compatibility symbols for previous versions, list bits -*- C++ -*-
 
-// 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/src/c++98/list.cc b/libstdc++-v3/src/c++98/list.cc
index e1a0d03..a3b5183 100644
--- a/libstdc++-v3/src/c++98/list.cc
+++ b/libstdc++-v3/src/c++98/list.cc
@@ -1,6 +1,6 @@
 // std::list utilities implementation -*- C++ -*-
 
-// Copyright (C) 2003-2022 Free Software Foundation, Inc.
+// Copyright (C) 2003-2023 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/src/c++98/list_associated-2.cc b/libstdc++-v3/src/c++98/list_associated-2.cc
index 086d916..cfb65b4 100644
--- a/libstdc++-v3/src/c++98/list_associated-2.cc
+++ b/libstdc++-v3/src/c++98/list_associated-2.cc
@@ -1,6 +1,6 @@
 // Default definitions when using namespace associations, list -*- C++ -*-
 
-// 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/src/c++98/list_associated.cc b/libstdc++-v3/src/c++98/list_associated.cc
index 99d9ad8..8e356e5 100644
--- a/libstdc++-v3/src/c++98/list_associated.cc
+++ b/libstdc++-v3/src/c++98/list_associated.cc
@@ -1,7 +1,7 @@
 
 // Default definitions when using namespace associations, list -*- C++ -*-
 
-// 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/src/c++98/locale.cc b/libstdc++-v3/src/c++98/locale.cc
index 9ba4a8d..d308140 100644
--- a/libstdc++-v3/src/c++98/locale.cc
+++ b/libstdc++-v3/src/c++98/locale.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 1997-2022 Free Software Foundation, Inc.
+// Copyright (C) 1997-2023 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/src/c++98/locale_facets.cc b/libstdc++-v3/src/c++98/locale_facets.cc
index 1293a37..c0bb7fd 100644
--- a/libstdc++-v3/src/c++98/locale_facets.cc
+++ b/libstdc++-v3/src/c++98/locale_facets.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 1997-2022 Free Software Foundation, Inc.
+// Copyright (C) 1997-2023 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/src/c++98/locale_init.cc b/libstdc++-v3/src/c++98/locale_init.cc
index bc86bf9..cfc22ea 100644
--- a/libstdc++-v3/src/c++98/locale_init.cc
+++ b/libstdc++-v3/src/c++98/locale_init.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 1997-2022 Free Software Foundation, Inc.
+// Copyright (C) 1997-2023 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/src/c++98/localename.cc b/libstdc++-v3/src/c++98/localename.cc
index 10500b6..25e6d96 100644
--- a/libstdc++-v3/src/c++98/localename.cc
+++ b/libstdc++-v3/src/c++98/localename.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 1997-2022 Free Software Foundation, Inc.
+// Copyright (C) 1997-2023 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/src/c++98/math_stubs_float.cc b/libstdc++-v3/src/c++98/math_stubs_float.cc
index a48dc5d..ac9b415 100644
--- a/libstdc++-v3/src/c++98/math_stubs_float.cc
+++ b/libstdc++-v3/src/c++98/math_stubs_float.cc
@@ -1,6 +1,6 @@
 // Stub definitions for float math.
 
-// Copyright (C) 2001-2022 Free Software Foundation, Inc.
+// Copyright (C) 2001-2023 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/src/c++98/math_stubs_long_double.cc b/libstdc++-v3/src/c++98/math_stubs_long_double.cc
index 178d77d..b964ea2 100644
--- a/libstdc++-v3/src/c++98/math_stubs_long_double.cc
+++ b/libstdc++-v3/src/c++98/math_stubs_long_double.cc
@@ -1,6 +1,6 @@
 // Stub definitions for long double math.
 
-// Copyright (C) 2001-2022 Free Software Foundation, Inc.
+// Copyright (C) 2001-2023 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/src/c++98/misc-inst.cc b/libstdc++-v3/src/c++98/misc-inst.cc
index 2ac2d4a..ab004a1 100644
--- a/libstdc++-v3/src/c++98/misc-inst.cc
+++ b/libstdc++-v3/src/c++98/misc-inst.cc
@@ -1,6 +1,6 @@
 // Explicit instantiation file.
 
-// Copyright (C) 1997-2022 Free Software Foundation, Inc.
+// Copyright (C) 1997-2023 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/src/c++98/mt_allocator.cc b/libstdc++-v3/src/c++98/mt_allocator.cc
index def5f48..5b62271 100644
--- a/libstdc++-v3/src/c++98/mt_allocator.cc
+++ b/libstdc++-v3/src/c++98/mt_allocator.cc
@@ -1,6 +1,6 @@
 // Allocator details.
 
-// Copyright (C) 2004-2022 Free Software Foundation, Inc.
+// Copyright (C) 2004-2023 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/src/c++98/parallel_settings.cc b/libstdc++-v3/src/c++98/parallel_settings.cc
index 607434f..c09fbed 100644
--- a/libstdc++-v3/src/c++98/parallel_settings.cc
+++ b/libstdc++-v3/src/c++98/parallel_settings.cc
@@ -1,6 +1,6 @@
 // Default settings for parallel mode -*- C++ -*-
 
-// 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/src/c++98/pool_allocator.cc b/libstdc++-v3/src/c++98/pool_allocator.cc
index 6f8cef4..935a4a8 100644
--- a/libstdc++-v3/src/c++98/pool_allocator.cc
+++ b/libstdc++-v3/src/c++98/pool_allocator.cc
@@ -1,6 +1,6 @@
 // Allocator details.
 
-// Copyright (C) 2004-2022 Free Software Foundation, Inc.
+// Copyright (C) 2004-2023 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/src/c++98/stdexcept.cc b/libstdc++-v3/src/c++98/stdexcept.cc
index 0a24b05..e8c91f5 100644
--- a/libstdc++-v3/src/c++98/stdexcept.cc
+++ b/libstdc++-v3/src/c++98/stdexcept.cc
@@ -1,6 +1,6 @@
 // Methods for Exception Support for -*- C++ -*-
 
-// Copyright (C) 1997-2022 Free Software Foundation, Inc.
+// Copyright (C) 1997-2023 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/src/c++98/streambuf.cc b/libstdc++-v3/src/c++98/streambuf.cc
index 963afa2..05fef62 100644
--- a/libstdc++-v3/src/c++98/streambuf.cc
+++ b/libstdc++-v3/src/c++98/streambuf.cc
@@ -1,6 +1,6 @@
 // Stream buffer classes -*- C++ -*-
 
-// Copyright (C) 2004-2022 Free Software Foundation, Inc.
+// Copyright (C) 2004-2023 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/src/c++98/strstream.cc b/libstdc++-v3/src/c++98/strstream.cc
index f66cafb..58ee4ac 100644
--- a/libstdc++-v3/src/c++98/strstream.cc
+++ b/libstdc++-v3/src/c++98/strstream.cc
@@ -1,6 +1,6 @@
 // strstream definitions -*- C++ -*-
 
-// Copyright (C) 2001-2022 Free Software Foundation, Inc.
+// Copyright (C) 2001-2023 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/src/c++98/tree.cc b/libstdc++-v3/src/c++98/tree.cc
index fd14991..4ee00a6 100644
--- a/libstdc++-v3/src/c++98/tree.cc
+++ b/libstdc++-v3/src/c++98/tree.cc
@@ -1,6 +1,6 @@
 // RB tree utilities implementation -*- C++ -*-
 
-// Copyright (C) 2003-2022 Free Software Foundation, Inc.
+// Copyright (C) 2003-2023 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/src/c++98/valarray.cc b/libstdc++-v3/src/c++98/valarray.cc
index 790b0ce..0c4ca04 100644
--- a/libstdc++-v3/src/c++98/valarray.cc
+++ b/libstdc++-v3/src/c++98/valarray.cc
@@ -1,6 +1,6 @@
 // Explicit instantiation file.
 
-// Copyright (C) 2001-2022 Free Software Foundation, Inc.
+// Copyright (C) 2001-2023 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/src/experimental/Makefile.am b/libstdc++-v3/src/experimental/Makefile.am
index 66f4532..3b962e7 100644
--- a/libstdc++-v3/src/experimental/Makefile.am
+++ b/libstdc++-v3/src/experimental/Makefile.am
@@ -1,6 +1,6 @@
 ## Makefile for experimental additions to the GNU C++ Standard library.
 ##
-## Copyright (C) 2014-2022 Free Software Foundation, Inc.
+## Copyright (C) 2014-2023 Free Software Foundation, Inc.
 ##
 ## Process this file with automake to produce Makefile.in.
 ##
diff --git a/libstdc++-v3/src/experimental/contract.cc b/libstdc++-v3/src/experimental/contract.cc
index 2d41a63..504a6c0 100644
--- a/libstdc++-v3/src/experimental/contract.cc
+++ b/libstdc++-v3/src/experimental/contract.cc
@@ -1,6 +1,6 @@
 // -*- C++ -*- std::experimental::contract_violation and friends
 
-// Copyright (C) 2019-2022 Free Software Foundation, Inc.
+// Copyright (C) 2019-2023 Free Software Foundation, Inc.
 //
 // This file is part of GCC.
 //
diff --git a/libstdc++-v3/src/filesystem/Makefile.am b/libstdc++-v3/src/filesystem/Makefile.am
index 5217d71..d2e1fde 100644
--- a/libstdc++-v3/src/filesystem/Makefile.am
+++ b/libstdc++-v3/src/filesystem/Makefile.am
@@ -1,6 +1,6 @@
 ## Makefile for the GNU C++ Filesystem library.
 ##
-## Copyright (C) 2014-2022 Free Software Foundation, Inc.
+## Copyright (C) 2014-2023 Free Software Foundation, Inc.
 ##
 ## Process this file with automake to produce Makefile.in.
 ##
diff --git a/libstdc++-v3/src/filesystem/cow-dir.cc b/libstdc++-v3/src/filesystem/cow-dir.cc
index 547b1d1..e9bce25 100644
--- a/libstdc++-v3/src/filesystem/cow-dir.cc
+++ b/libstdc++-v3/src/filesystem/cow-dir.cc
@@ -1,6 +1,6 @@
 // Class experimental::filesystem::directory_entry etc. -*- C++ -*-
 
-// 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/src/filesystem/cow-ops.cc b/libstdc++-v3/src/filesystem/cow-ops.cc
index 1e24bc2b..077c3c3 100644
--- a/libstdc++-v3/src/filesystem/cow-ops.cc
+++ b/libstdc++-v3/src/filesystem/cow-ops.cc
@@ -1,6 +1,6 @@
 // Filesystem TS operations -*- C++ -*-
 
-// 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/src/filesystem/cow-path.cc b/libstdc++-v3/src/filesystem/cow-path.cc
index 9e8868a..a398d51 100644
--- a/libstdc++-v3/src/filesystem/cow-path.cc
+++ b/libstdc++-v3/src/filesystem/cow-path.cc
@@ -1,6 +1,6 @@
 // Class experimental::filesystem::path -*- C++ -*-
 
-// 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/src/filesystem/dir-common.h b/libstdc++-v3/src/filesystem/dir-common.h
index 228fab5..af51375 100644
--- a/libstdc++-v3/src/filesystem/dir-common.h
+++ b/libstdc++-v3/src/filesystem/dir-common.h
@@ -1,6 +1,6 @@
 // Filesystem directory iterator utilities -*- C++ -*-
 
-// 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/src/filesystem/dir.cc b/libstdc++-v3/src/filesystem/dir.cc
index a66a677..3b0079e 100644
--- a/libstdc++-v3/src/filesystem/dir.cc
+++ b/libstdc++-v3/src/filesystem/dir.cc
@@ -1,6 +1,6 @@
 // Class filesystem::directory_entry etc. -*- C++ -*-
 
-// 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/src/filesystem/ops-common.h b/libstdc++-v3/src/filesystem/ops-common.h
index 978e872..b0d49dd 100644
--- a/libstdc++-v3/src/filesystem/ops-common.h
+++ b/libstdc++-v3/src/filesystem/ops-common.h
@@ -1,6 +1,6 @@
 // Filesystem operation utilities -*- C++ -*-
 
-// 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/src/filesystem/ops.cc b/libstdc++-v3/src/filesystem/ops.cc
index c18cf02..d33c13d 100644
--- a/libstdc++-v3/src/filesystem/ops.cc
+++ b/libstdc++-v3/src/filesystem/ops.cc
@@ -1,6 +1,6 @@
 // Filesystem TS operations -*- C++ -*-
 
-// 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/src/filesystem/path.cc b/libstdc++-v3/src/filesystem/path.cc
index cb8d2c6..4c218bd 100644
--- a/libstdc++-v3/src/filesystem/path.cc
+++ b/libstdc++-v3/src/filesystem/path.cc
@@ -1,6 +1,6 @@
 // Class experimental::filesystem::path -*- C++ -*-
 
-// 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/src/libbacktrace/Makefile.am b/libstdc++-v3/src/libbacktrace/Makefile.am
index b34a429..9abf9dd 100644
--- a/libstdc++-v3/src/libbacktrace/Makefile.am
+++ b/libstdc++-v3/src/libbacktrace/Makefile.am
@@ -1,5 +1,5 @@
 # Makefile.am -- Backtrace in libstdc++ Makefile.
-# Copyright (C) 2012-2013 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 Free Software Foundation, Inc.
 
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
diff --git a/libstdc++-v3/src/libbacktrace/backtrace-supported.h.in b/libstdc++-v3/src/libbacktrace/backtrace-supported.h.in
index a9a32d7..763ac8b 100644
--- a/libstdc++-v3/src/libbacktrace/backtrace-supported.h.in
+++ b/libstdc++-v3/src/libbacktrace/backtrace-supported.h.in
@@ -1,5 +1,5 @@
 /* backtrace-supported.h.in -- Whether stack backtrace is supported.
-   Copyright (C) 2012-2013 Free Software Foundation, Inc.
+   Copyright (C) 2012-2023 Free Software Foundation, Inc.
    Written by Ian Lance Taylor, Google.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/libstdc++-v3/src/shared/hashtable-aux.cc b/libstdc++-v3/src/shared/hashtable-aux.cc
index 0971fd1..e1712c1 100644
--- a/libstdc++-v3/src/shared/hashtable-aux.cc
+++ b/libstdc++-v3/src/shared/hashtable-aux.cc
@@ -1,6 +1,6 @@
 // std::__detail and std::tr1::__detail definitions -*- C++ -*-
 
-// 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