Update copyright years.

69 files changed, 69 insertions, 69 deletions

diff --git a/libstdc++-v3/include/std/algorithm b/libstdc++-v3/include/std/algorithm
index 4b956b8..9ce4aa8 100644
--- a/libstdc++-v3/include/std/algorithm
+++ b/libstdc++-v3/include/std/algorithm
@@ -1,6 +1,6 @@
 // <algorithm> -*- C++ -*-
 
-// Copyright (C) 2001-2020 Free Software Foundation, Inc.
+// Copyright (C) 2001-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/any b/libstdc++-v3/include/std/any
index e132922..5c33716 100644
--- a/libstdc++-v3/include/std/any
+++ b/libstdc++-v3/include/std/any
@@ -1,6 +1,6 @@
 // <any> -*- C++ -*-
 
-// Copyright (C) 2014-2020 Free Software Foundation, Inc.
+// Copyright (C) 2014-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/array b/libstdc++-v3/include/std/array
index 8075099..0c6f33e 100644
--- a/libstdc++-v3/include/std/array
+++ b/libstdc++-v3/include/std/array
@@ -1,6 +1,6 @@
 // <array> -*- C++ -*-
 
-// Copyright (C) 2007-2020 Free Software Foundation, Inc.
+// Copyright (C) 2007-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/atomic b/libstdc++-v3/include/std/atomic
index 4a9b001..de5591d 100644
--- a/libstdc++-v3/include/std/atomic
+++ b/libstdc++-v3/include/std/atomic
@@ -1,6 +1,6 @@
 // -*- C++ -*- header.
 
-// Copyright (C) 2008-2020 Free Software Foundation, Inc.
+// Copyright (C) 2008-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/bit b/libstdc++-v3/include/std/bit
index 6f47f89..1a6f240 100644
--- a/libstdc++-v3/include/std/bit
+++ b/libstdc++-v3/include/std/bit
@@ -1,6 +1,6 @@
 // <bit> -*- C++ -*-
 
-// Copyright (C) 2018-2020 Free Software Foundation, Inc.
+// Copyright (C) 2018-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/bitset b/libstdc++-v3/include/std/bitset
index 5364e59..5b4f370 100644
--- a/libstdc++-v3/include/std/bitset
+++ b/libstdc++-v3/include/std/bitset
@@ -1,6 +1,6 @@
 // <bitset> -*- C++ -*-
 
-// Copyright (C) 2001-2020 Free Software Foundation, Inc.
+// Copyright (C) 2001-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/charconv b/libstdc++-v3/include/std/charconv
index c6e8069..851b1e5 100644
--- a/libstdc++-v3/include/std/charconv
+++ b/libstdc++-v3/include/std/charconv
@@ -1,6 +1,6 @@
 // Primitive numeric conversions (to_chars and from_chars) -*- C++ -*-
 
-// Copyright (C) 2017-2020 Free Software Foundation, Inc.
+// Copyright (C) 2017-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/chrono b/libstdc++-v3/include/std/chrono
index 020982d..7840099 100644
--- a/libstdc++-v3/include/std/chrono
+++ b/libstdc++-v3/include/std/chrono
@@ -1,6 +1,6 @@
 // <chrono> -*- C++ -*-
 
-// Copyright (C) 2008-2020 Free Software Foundation, Inc.
+// Copyright (C) 2008-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/codecvt b/libstdc++-v3/include/std/codecvt
index 6bedd88..612da90 100644
--- a/libstdc++-v3/include/std/codecvt
+++ b/libstdc++-v3/include/std/codecvt
@@ -1,6 +1,6 @@
 // <codecvt> -*- C++ -*-
 
-// Copyright (C) 2015-2020 Free Software Foundation, Inc.
+// Copyright (C) 2015-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/complex b/libstdc++-v3/include/std/complex
index db147f4..b896b49 100644
--- a/libstdc++-v3/include/std/complex
+++ b/libstdc++-v3/include/std/complex
@@ -1,6 +1,6 @@
 // The template and inlines for the -*- C++ -*- complex number classes.
 
-// Copyright (C) 1997-2020 Free Software Foundation, Inc.
+// Copyright (C) 1997-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/concepts b/libstdc++-v3/include/std/concepts
index e710a5e..4490f53 100644
--- a/libstdc++-v3/include/std/concepts
+++ b/libstdc++-v3/include/std/concepts
@@ -1,6 +1,6 @@
 // <concepts> -*- C++ -*-
 
-// Copyright (C) 2019-2020 Free Software Foundation, Inc.
+// Copyright (C) 2019-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/condition_variable b/libstdc++-v3/include/std/condition_variable
index 5b7a9cb..230b85d 100644
--- a/libstdc++-v3/include/std/condition_variable
+++ b/libstdc++-v3/include/std/condition_variable
@@ -1,6 +1,6 @@
 // <condition_variable> -*- C++ -*-
 
-// Copyright (C) 2008-2020 Free Software Foundation, Inc.
+// Copyright (C) 2008-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/coroutine b/libstdc++-v3/include/std/coroutine
index 2b635b9..e69024c 100644
--- a/libstdc++-v3/include/std/coroutine
+++ b/libstdc++-v3/include/std/coroutine
@@ -1,6 +1,6 @@
 // <coroutine> -*- C++ -*-
 
-// Copyright (C) 2019-2020 Free Software Foundation, Inc.
+// Copyright (C) 2019-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/deque b/libstdc++-v3/include/std/deque
index 07e2c69..c9a8211 100644
--- a/libstdc++-v3/include/std/deque
+++ b/libstdc++-v3/include/std/deque
@@ -1,6 +1,6 @@
 // <deque> -*- C++ -*-
 
-// Copyright (C) 2001-2020 Free Software Foundation, Inc.
+// Copyright (C) 2001-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/execution b/libstdc++-v3/include/std/execution
index cdd852d..cb945fb 100644
--- a/libstdc++-v3/include/std/execution
+++ b/libstdc++-v3/include/std/execution
@@ -1,6 +1,6 @@
 // <execution> -*- C++ -*-
 
-// Copyright (C) 2018-2020 Free Software Foundation, Inc.
+// Copyright (C) 2018-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/filesystem b/libstdc++-v3/include/std/filesystem
index 6a80abf..22f211f 100644
--- a/libstdc++-v3/include/std/filesystem
+++ b/libstdc++-v3/include/std/filesystem
@@ -1,6 +1,6 @@
 // <filesystem> -*- C++ -*-
 
-// Copyright (C) 2014-2020 Free Software Foundation, Inc.
+// Copyright (C) 2014-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/forward_list b/libstdc++-v3/include/std/forward_list
index 439ef6b..243bde1 100644
--- a/libstdc++-v3/include/std/forward_list
+++ b/libstdc++-v3/include/std/forward_list
@@ -1,6 +1,6 @@
 // <forward_list> -*- C++ -*-
 
-// Copyright (C) 2008-2020 Free Software Foundation, Inc.
+// Copyright (C) 2008-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/fstream b/libstdc++-v3/include/std/fstream
index d884a15..3d7aabc 100644
--- a/libstdc++-v3/include/std/fstream
+++ b/libstdc++-v3/include/std/fstream
@@ -1,6 +1,6 @@
 // File based streams -*- C++ -*-
 
-// Copyright (C) 1997-2020 Free Software Foundation, Inc.
+// Copyright (C) 1997-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/functional b/libstdc++-v3/include/std/functional
index 06dcf94..f61f2ac 100644
--- a/libstdc++-v3/include/std/functional
+++ b/libstdc++-v3/include/std/functional
@@ -1,6 +1,6 @@
 // <functional> -*- C++ -*-
 
-// Copyright (C) 2001-2020 Free Software Foundation, Inc.
+// Copyright (C) 2001-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/future b/libstdc++-v3/include/std/future
index 77b6f93..ce55d2b 100644
--- a/libstdc++-v3/include/std/future
+++ b/libstdc++-v3/include/std/future
@@ -1,6 +1,6 @@
 // <future> -*- C++ -*-
 
-// Copyright (C) 2009-2020 Free Software Foundation, Inc.
+// Copyright (C) 2009-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/iomanip b/libstdc++-v3/include/std/iomanip
index a204972..048e6ed 100644
--- a/libstdc++-v3/include/std/iomanip
+++ b/libstdc++-v3/include/std/iomanip
@@ -1,6 +1,6 @@
 // Standard stream manipulators -*- C++ -*-
 
-// Copyright (C) 1997-2020 Free Software Foundation, Inc.
+// Copyright (C) 1997-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/ios b/libstdc++-v3/include/std/ios
index d9d33e5..bd82bbe 100644
--- a/libstdc++-v3/include/std/ios
+++ b/libstdc++-v3/include/std/ios
@@ -1,6 +1,6 @@
 // Iostreams base classes -*- C++ -*-
 
-// Copyright (C) 1997-2020 Free Software Foundation, Inc.
+// Copyright (C) 1997-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/iosfwd b/libstdc++-v3/include/std/iosfwd
index 0504075..52fa4b6 100644
--- a/libstdc++-v3/include/std/iosfwd
+++ b/libstdc++-v3/include/std/iosfwd
@@ -1,6 +1,6 @@
 // <iosfwd> Forward declarations -*- C++ -*-
 
-// Copyright (C) 1997-2020 Free Software Foundation, Inc.
+// Copyright (C) 1997-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/iostream b/libstdc++-v3/include/std/iostream
index f988342..c4c2b42 100644
--- a/libstdc++-v3/include/std/iostream
+++ b/libstdc++-v3/include/std/iostream
@@ -1,6 +1,6 @@
 // Standard iostream objects -*- C++ -*-
 
-// Copyright (C) 1997-2020 Free Software Foundation, Inc.
+// Copyright (C) 1997-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/istream b/libstdc++-v3/include/std/istream
index 20a455a..24235c9 100644
--- a/libstdc++-v3/include/std/istream
+++ b/libstdc++-v3/include/std/istream
@@ -1,6 +1,6 @@
 // Input streams -*- C++ -*-
 
-// Copyright (C) 1997-2020 Free Software Foundation, Inc.
+// Copyright (C) 1997-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/iterator b/libstdc++-v3/include/std/iterator
index 8d0acd8..822f88a 100644
--- a/libstdc++-v3/include/std/iterator
+++ b/libstdc++-v3/include/std/iterator
@@ -1,6 +1,6 @@
 // <iterator> -*- C++ -*-
 
-// Copyright (C) 2001-2020 Free Software Foundation, Inc.
+// Copyright (C) 2001-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/latch b/libstdc++-v3/include/std/latch
index d4a00c4..ef8c301 100644
--- a/libstdc++-v3/include/std/latch
+++ b/libstdc++-v3/include/std/latch
@@ -1,6 +1,6 @@
 // <latch> -*- C++ -*-
 
-// Copyright (C) 2020 Free Software Foundation, Inc.
+// Copyright (C) 2020-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.	This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/limits b/libstdc++-v3/include/std/limits
index 20883ba..f2c2072 100644
--- a/libstdc++-v3/include/std/limits
+++ b/libstdc++-v3/include/std/limits
@@ -1,6 +1,6 @@
 // The template and inlines for the numeric_limits classes. -*- C++ -*-
 
-// Copyright (C) 1999-2020 Free Software Foundation, Inc.
+// Copyright (C) 1999-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/list b/libstdc++-v3/include/std/list
index 7b3d3c2..fc0491b 100644
--- a/libstdc++-v3/include/std/list
+++ b/libstdc++-v3/include/std/list
@@ -1,6 +1,6 @@
 // <list> -*- C++ -*-
 
-// Copyright (C) 2001-2020 Free Software Foundation, Inc.
+// Copyright (C) 2001-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/locale b/libstdc++-v3/include/std/locale
index 77e7a73..de5090f 100644
--- a/libstdc++-v3/include/std/locale
+++ b/libstdc++-v3/include/std/locale
@@ -1,6 +1,6 @@
 // Locale support -*- C++ -*-
 
-// Copyright (C) 1997-2020 Free Software Foundation, Inc.
+// Copyright (C) 1997-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/map b/libstdc++-v3/include/std/map
index 9e8f76b..44bd44b 100644
--- a/libstdc++-v3/include/std/map
+++ b/libstdc++-v3/include/std/map
@@ -1,6 +1,6 @@
 // <map> -*- C++ -*-
 
-// Copyright (C) 2001-2020 Free Software Foundation, Inc.
+// Copyright (C) 2001-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/memory b/libstdc++-v3/include/std/memory
index 41ba74d..f077e7c 100644
--- a/libstdc++-v3/include/std/memory
+++ b/libstdc++-v3/include/std/memory
@@ -1,6 +1,6 @@
 // <memory> -*- C++ -*-
 
-// Copyright (C) 2001-2020 Free Software Foundation, Inc.
+// Copyright (C) 2001-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/memory_resource b/libstdc++-v3/include/std/memory_resource
index 40e23a2..d330da9 100644
--- a/libstdc++-v3/include/std/memory_resource
+++ b/libstdc++-v3/include/std/memory_resource
@@ -1,6 +1,6 @@
 // <memory_resource> -*- C++ -*-
 
-// Copyright (C) 2018-2020 Free Software Foundation, Inc.
+// Copyright (C) 2018-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/mutex b/libstdc++-v3/include/std/mutex
index 92ad7b7..25e580c 100644
--- a/libstdc++-v3/include/std/mutex
+++ b/libstdc++-v3/include/std/mutex
@@ -1,6 +1,6 @@
 // <mutex> -*- C++ -*-
 
-// Copyright (C) 2003-2020 Free Software Foundation, Inc.
+// Copyright (C) 2003-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/numbers b/libstdc++-v3/include/std/numbers
index 7e51851..0eea0be 100644
--- a/libstdc++-v3/include/std/numbers
+++ b/libstdc++-v3/include/std/numbers
@@ -1,6 +1,6 @@
 // <numbers> -*- C++ -*-
 
-// Copyright (C) 2019-2020 Free Software Foundation, Inc.
+// Copyright (C) 2019-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/numeric b/libstdc++-v3/include/std/numeric
index af1e788..f297f68 100644
--- a/libstdc++-v3/include/std/numeric
+++ b/libstdc++-v3/include/std/numeric
@@ -1,6 +1,6 @@
 // <numeric> -*- C++ -*-
 
-// Copyright (C) 2001-2020 Free Software Foundation, Inc.
+// Copyright (C) 2001-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/optional b/libstdc++-v3/include/std/optional
index 5ea5b39..8b9e038 100644
--- a/libstdc++-v3/include/std/optional
+++ b/libstdc++-v3/include/std/optional
@@ -1,6 +1,6 @@
 // <optional> -*- C++ -*-
 
-// Copyright (C) 2013-2020 Free Software Foundation, Inc.
+// Copyright (C) 2013-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/ostream b/libstdc++-v3/include/std/ostream
index c203e31..85ed47e 100644
--- a/libstdc++-v3/include/std/ostream
+++ b/libstdc++-v3/include/std/ostream
@@ -1,6 +1,6 @@
 // Output streams -*- C++ -*-
 
-// Copyright (C) 1997-2020 Free Software Foundation, Inc.
+// Copyright (C) 1997-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/queue b/libstdc++-v3/include/std/queue
index ef6b6fd..78ce321 100644
--- a/libstdc++-v3/include/std/queue
+++ b/libstdc++-v3/include/std/queue
@@ -1,6 +1,6 @@
 // <queue> -*- C++ -*-
 
-// Copyright (C) 2001-2020 Free Software Foundation, Inc.
+// Copyright (C) 2001-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/random b/libstdc++-v3/include/std/random
index 01db187..821ccf9 100644
--- a/libstdc++-v3/include/std/random
+++ b/libstdc++-v3/include/std/random
@@ -1,6 +1,6 @@
 // <random> -*- C++ -*-
 
-// Copyright (C) 2007-2020 Free Software Foundation, Inc.
+// Copyright (C) 2007-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/ranges b/libstdc++-v3/include/std/ranges
index d38b199..1be74be 100644
--- a/libstdc++-v3/include/std/ranges
+++ b/libstdc++-v3/include/std/ranges
@@ -1,6 +1,6 @@
 // <ranges> -*- C++ -*-
 
-// Copyright (C) 2019-2020 Free Software Foundation, Inc.
+// Copyright (C) 2019-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/ratio b/libstdc++-v3/include/std/ratio
index 83c8c79..4de6bf8 100644
--- a/libstdc++-v3/include/std/ratio
+++ b/libstdc++-v3/include/std/ratio
@@ -1,6 +1,6 @@
 // ratio -*- C++ -*-
 
-// Copyright (C) 2008-2020 Free Software Foundation, Inc.
+// Copyright (C) 2008-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/regex b/libstdc++-v3/include/std/regex
index 783f5f1..cd33f26 100644
--- a/libstdc++-v3/include/std/regex
+++ b/libstdc++-v3/include/std/regex
@@ -1,6 +1,6 @@
 // <regex> -*- C++ -*-
 
-// Copyright (C) 2007-2020 Free Software Foundation, Inc.
+// Copyright (C) 2007-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/scoped_allocator b/libstdc++-v3/include/std/scoped_allocator
index 5f2fa5f..2d2bd72 100644
--- a/libstdc++-v3/include/std/scoped_allocator
+++ b/libstdc++-v3/include/std/scoped_allocator
@@ -1,6 +1,6 @@
 // <scoped_allocator> -*- C++ -*-
 
-// Copyright (C) 2011-2020 Free Software Foundation, Inc.
+// Copyright (C) 2011-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/semaphore b/libstdc++-v3/include/std/semaphore
index 9648c3d..40af41b 100644
--- a/libstdc++-v3/include/std/semaphore
+++ b/libstdc++-v3/include/std/semaphore
@@ -1,6 +1,6 @@
 // <semaphore> -*- C++ -*-
 
-// Copyright (C) 2020 Free Software Foundation, Inc.
+// Copyright (C) 2020-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.	This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/set b/libstdc++-v3/include/std/set
index 1689183..f1e1864 100644
--- a/libstdc++-v3/include/std/set
+++ b/libstdc++-v3/include/std/set
@@ -1,6 +1,6 @@
 // <set> -*- C++ -*-
 
-// Copyright (C) 2001-2020 Free Software Foundation, Inc.
+// Copyright (C) 2001-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/shared_mutex b/libstdc++-v3/include/std/shared_mutex
index 7d683a0..013b183 100644
--- a/libstdc++-v3/include/std/shared_mutex
+++ b/libstdc++-v3/include/std/shared_mutex
@@ -1,6 +1,6 @@
 // <shared_mutex> -*- C++ -*-
 
-// Copyright (C) 2013-2020 Free Software Foundation, Inc.
+// Copyright (C) 2013-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/source_location b/libstdc++-v3/include/std/source_location
index 13d4bd4..6cf6d79 100644
--- a/libstdc++-v3/include/std/source_location
+++ b/libstdc++-v3/include/std/source_location
@@ -1,6 +1,6 @@
 // <source_location> -*- C++ -*-
 
-// Copyright (C) 2020 Free Software Foundation, Inc.
+// Copyright (C) 2020-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/span b/libstdc++-v3/include/std/span
index 3d996fa..09bdcd6 100644
--- a/libstdc++-v3/include/std/span
+++ b/libstdc++-v3/include/std/span
@@ -1,6 +1,6 @@
 // Components for manipulating non-owning sequences of objects -*- C++ -*-
 
-// Copyright (C) 2019-2020 Free Software Foundation, Inc.
+// Copyright (C) 2019-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/sstream b/libstdc++-v3/include/std/sstream
index d7200ab..f216641 100644
--- a/libstdc++-v3/include/std/sstream
+++ b/libstdc++-v3/include/std/sstream
@@ -1,6 +1,6 @@
 // String based streams -*- C++ -*-
 
-// Copyright (C) 1997-2020 Free Software Foundation, Inc.
+// Copyright (C) 1997-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/stack b/libstdc++-v3/include/std/stack
index 064b358..153d7cf 100644
--- a/libstdc++-v3/include/std/stack
+++ b/libstdc++-v3/include/std/stack
@@ -1,6 +1,6 @@
 // <stack> -*- C++ -*-
 
-// Copyright (C) 2001-2020 Free Software Foundation, Inc.
+// Copyright (C) 2001-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/stdexcept b/libstdc++-v3/include/std/stdexcept
index 49161d5..6e6d720 100644
--- a/libstdc++-v3/include/std/stdexcept
+++ b/libstdc++-v3/include/std/stdexcept
@@ -1,6 +1,6 @@
 // Standard exception classes  -*- C++ -*-
 
-// Copyright (C) 2001-2020 Free Software Foundation, Inc.
+// Copyright (C) 2001-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/stop_token b/libstdc++-v3/include/std/stop_token
index 3163428..83905f6 100644
--- a/libstdc++-v3/include/std/stop_token
+++ b/libstdc++-v3/include/std/stop_token
@@ -1,6 +1,6 @@
 // <stop_token> -*- C++ -*-
 
-// Copyright (C) 2019-2020 Free Software Foundation, Inc.
+// Copyright (C) 2019-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/streambuf b/libstdc++-v3/include/std/streambuf
index cae35e7..ae2eaa3 100644
--- a/libstdc++-v3/include/std/streambuf
+++ b/libstdc++-v3/include/std/streambuf
@@ -1,6 +1,6 @@
 // Stream buffer classes -*- C++ -*-
 
-// Copyright (C) 1997-2020 Free Software Foundation, Inc.
+// Copyright (C) 1997-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/string b/libstdc++-v3/include/std/string
index a95ef4d..0147e48 100644
--- a/libstdc++-v3/include/std/string
+++ b/libstdc++-v3/include/std/string
@@ -1,6 +1,6 @@
 // Components for manipulating sequences of characters -*- C++ -*-
 
-// Copyright (C) 1997-2020 Free Software Foundation, Inc.
+// Copyright (C) 1997-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/string_view b/libstdc++-v3/include/std/string_view
index 656d06b..e33e1bc 100644
--- a/libstdc++-v3/include/std/string_view
+++ b/libstdc++-v3/include/std/string_view
@@ -1,6 +1,6 @@
 // Components for manipulating non-owning sequences of characters -*- C++ -*-
 
-// Copyright (C) 2013-2020 Free Software Foundation, Inc.
+// Copyright (C) 2013-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/syncstream b/libstdc++-v3/include/std/syncstream
index 07aab65..299941f 100644
--- a/libstdc++-v3/include/std/syncstream
+++ b/libstdc++-v3/include/std/syncstream
@@ -1,6 +1,6 @@
 // <syncstream> -*- C++ -*-
 
-// Copyright (C) 2020 Free Software Foundation, Inc.
+// Copyright (C) 2020-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/system_error b/libstdc++-v3/include/std/system_error
index 864b73e..c8bb560 100644
--- a/libstdc++-v3/include/std/system_error
+++ b/libstdc++-v3/include/std/system_error
@@ -1,6 +1,6 @@
 // <system_error> -*- C++ -*-
 
-// Copyright (C) 2007-2020 Free Software Foundation, Inc.
+// Copyright (C) 2007-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/thread b/libstdc++-v3/include/std/thread
index 10fb9e6..ad38339 100644
--- a/libstdc++-v3/include/std/thread
+++ b/libstdc++-v3/include/std/thread
@@ -1,6 +1,6 @@
 // <thread> -*- C++ -*-
 
-// Copyright (C) 2008-2020 Free Software Foundation, Inc.
+// Copyright (C) 2008-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/tuple b/libstdc++-v3/include/std/tuple
index adfd621..3b771c5 100644
--- a/libstdc++-v3/include/std/tuple
+++ b/libstdc++-v3/include/std/tuple
@@ -1,6 +1,6 @@
 // <tuple> -*- C++ -*-
 
-// Copyright (C) 2007-2020 Free Software Foundation, Inc.
+// Copyright (C) 2007-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/type_traits b/libstdc++-v3/include/std/type_traits
index 34e068b..ad2672d 100644
--- a/libstdc++-v3/include/std/type_traits
+++ b/libstdc++-v3/include/std/type_traits
@@ -1,6 +1,6 @@
 // C++11 <type_traits> -*- C++ -*-
 
-// Copyright (C) 2007-2020 Free Software Foundation, Inc.
+// Copyright (C) 2007-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/typeindex b/libstdc++-v3/include/std/typeindex
index b4539f1..4a64c20 100644
--- a/libstdc++-v3/include/std/typeindex
+++ b/libstdc++-v3/include/std/typeindex
@@ -1,6 +1,6 @@
 // C++11 <typeindex> -*- C++ -*-
 
-// Copyright (C) 2010-2020 Free Software Foundation, Inc.
+// Copyright (C) 2010-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/unordered_map b/libstdc++-v3/include/std/unordered_map
index e05238f..e671506 100644
--- a/libstdc++-v3/include/std/unordered_map
+++ b/libstdc++-v3/include/std/unordered_map
@@ -1,6 +1,6 @@
 // <unordered_map> -*- C++ -*-
 
-// Copyright (C) 2007-2020 Free Software Foundation, Inc.
+// Copyright (C) 2007-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/unordered_set b/libstdc++-v3/include/std/unordered_set
index 6cbd242..1ad93d0 100644
--- a/libstdc++-v3/include/std/unordered_set
+++ b/libstdc++-v3/include/std/unordered_set
@@ -1,6 +1,6 @@
 // <unordered_set> -*- C++ -*-
 
-// Copyright (C) 2007-2020 Free Software Foundation, Inc.
+// Copyright (C) 2007-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/utility b/libstdc++-v3/include/std/utility
index 61573f4..4c7fca9 100644
--- a/libstdc++-v3/include/std/utility
+++ b/libstdc++-v3/include/std/utility
@@ -1,6 +1,6 @@
 // <utility> -*- C++ -*-
 
-// Copyright (C) 2001-2020 Free Software Foundation, Inc.
+// Copyright (C) 2001-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/valarray b/libstdc++-v3/include/std/valarray
index 9981b60..c387881 100644
--- a/libstdc++-v3/include/std/valarray
+++ b/libstdc++-v3/include/std/valarray
@@ -1,6 +1,6 @@
 // The template and inlines for the -*- C++ -*- valarray class.
 
-// Copyright (C) 1997-2020 Free Software Foundation, Inc.
+// Copyright (C) 1997-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/variant b/libstdc++-v3/include/std/variant
index 4455ff4..d1e5dbc 100644
--- a/libstdc++-v3/include/std/variant
+++ b/libstdc++-v3/include/std/variant
@@ -1,6 +1,6 @@
 // <variant> -*- C++ -*-
 
-// Copyright (C) 2016-2020 Free Software Foundation, Inc.
+// Copyright (C) 2016-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/vector b/libstdc++-v3/include/std/vector
index 6f587a8..f804f40 100644
--- a/libstdc++-v3/include/std/vector
+++ b/libstdc++-v3/include/std/vector
@@ -1,6 +1,6 @@
 // <vector> -*- C++ -*-
 
-// Copyright (C) 2001-2020 Free Software Foundation, Inc.
+// Copyright (C) 2001-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
diff --git a/libstdc++-v3/include/std/version b/libstdc++-v3/include/std/version
index e4a8bed..50c8a89 100644
--- a/libstdc++-v3/include/std/version
+++ b/libstdc++-v3/include/std/version
@@ -1,6 +1,6 @@
 // -*- C++ -*- Libstdc++ version details header.
 
-// Copyright (C) 2018-2020 Free Software Foundation, Inc.
+// Copyright (C) 2018-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the