Update copyright year range in all GDB files

This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...

gdb/ChangeLog

        Update copyright year range in copyright header of all GDB files.

14 files changed, 14 insertions, 14 deletions

diff --git a/gdb/unittests/optional/assignment/1.cc b/gdb/unittests/optional/assignment/1.cc
index 9c22473..f711c4d 100644
--- a/gdb/unittests/optional/assignment/1.cc
+++ b/gdb/unittests/optional/assignment/1.cc
@@ -1,4 +1,4 @@
-// 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/gdb/unittests/optional/assignment/2.cc b/gdb/unittests/optional/assignment/2.cc
index 243c67b..fdc07f1 100644
--- a/gdb/unittests/optional/assignment/2.cc
+++ b/gdb/unittests/optional/assignment/2.cc
@@ -1,4 +1,4 @@
-// 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/gdb/unittests/optional/assignment/3.cc b/gdb/unittests/optional/assignment/3.cc
index 7ed02b9..e479f9c 100644
--- a/gdb/unittests/optional/assignment/3.cc
+++ b/gdb/unittests/optional/assignment/3.cc
@@ -1,4 +1,4 @@
-// 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/gdb/unittests/optional/assignment/4.cc b/gdb/unittests/optional/assignment/4.cc
index 6cae0d2..2bfe562 100644
--- a/gdb/unittests/optional/assignment/4.cc
+++ b/gdb/unittests/optional/assignment/4.cc
@@ -1,4 +1,4 @@
-// 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/gdb/unittests/optional/assignment/5.cc b/gdb/unittests/optional/assignment/5.cc
index 74d06ae..4112e9f 100644
--- a/gdb/unittests/optional/assignment/5.cc
+++ b/gdb/unittests/optional/assignment/5.cc
@@ -1,4 +1,4 @@
-// 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/gdb/unittests/optional/assignment/6.cc b/gdb/unittests/optional/assignment/6.cc
index da12012..423b3e7 100644
--- a/gdb/unittests/optional/assignment/6.cc
+++ b/gdb/unittests/optional/assignment/6.cc
@@ -1,4 +1,4 @@
-// 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/gdb/unittests/optional/assignment/7.cc b/gdb/unittests/optional/assignment/7.cc
index c99fbf4..d6a3690 100644
--- a/gdb/unittests/optional/assignment/7.cc
+++ b/gdb/unittests/optional/assignment/7.cc
@@ -1,4 +1,4 @@
-// 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/gdb/unittests/optional/cons/copy.cc b/gdb/unittests/optional/cons/copy.cc
index ae8b3bb..3d7f28a 100644
--- a/gdb/unittests/optional/cons/copy.cc
+++ b/gdb/unittests/optional/cons/copy.cc
@@ -1,4 +1,4 @@
-// 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/gdb/unittests/optional/cons/default.cc b/gdb/unittests/optional/cons/default.cc
index 05a5603..59f2364 100644
--- a/gdb/unittests/optional/cons/default.cc
+++ b/gdb/unittests/optional/cons/default.cc
@@ -1,4 +1,4 @@
-// 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/gdb/unittests/optional/cons/move.cc b/gdb/unittests/optional/cons/move.cc
index 525ab7f..0dc4e2b 100644
--- a/gdb/unittests/optional/cons/move.cc
+++ b/gdb/unittests/optional/cons/move.cc
@@ -1,4 +1,4 @@
-// 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/gdb/unittests/optional/cons/value.cc b/gdb/unittests/optional/cons/value.cc
index 077e5aa..d7f3e9d 100644
--- a/gdb/unittests/optional/cons/value.cc
+++ b/gdb/unittests/optional/cons/value.cc
@@ -1,4 +1,4 @@
-// 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/gdb/unittests/optional/in_place.cc b/gdb/unittests/optional/in_place.cc
index 9428f28..5d48a11 100644
--- a/gdb/unittests/optional/in_place.cc
+++ b/gdb/unittests/optional/in_place.cc
@@ -1,4 +1,4 @@
-// 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/gdb/unittests/optional/observers/1.cc b/gdb/unittests/optional/observers/1.cc
index f56e80a..31d5edc 100644
--- a/gdb/unittests/optional/observers/1.cc
+++ b/gdb/unittests/optional/observers/1.cc
@@ -1,4 +1,4 @@
-// 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/gdb/unittests/optional/observers/2.cc b/gdb/unittests/optional/observers/2.cc
index 80cbbe8..78d9223 100644
--- a/gdb/unittests/optional/observers/2.cc
+++ b/gdb/unittests/optional/observers/2.cc
@@ -1,4 +1,4 @@
-// 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