Update copyright dates with scripts/update-copyrights

I used these shell commands:

../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright
(cd ../glibc && git commit -am"[this commit message]")

and then ignored the output, which consisted lines saying "FOO: warning:
copyright statement not found" for each of 6694 files FOO.
I then removed trailing white space from benchtests/bench-pthread-locks.c
and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this
diagnostic from Savannah:
remote: *** pre-commit check failed ...
remote: *** error: lines with trailing whitespace found
remote: error: hook declined to update refs/heads/master

31 files changed, 31 insertions, 31 deletions

diff --git a/sysdeps/unix/sysv/linux/alpha/bits/dirent.h b/sysdeps/unix/sysv/linux/alpha/bits/dirent.h
index 953d590cff..7ab8d98ae0 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/dirent.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/dirent.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/epoll.h b/sysdeps/unix/sysv/linux/alpha/bits/epoll.h
index b9d05398e4..9514422346 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/epoll.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/epoll.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/errno.h b/sysdeps/unix/sysv/linux/alpha/bits/errno.h
index b6e98d669d..5892035f09 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/errno.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/errno.h
@@ -1,5 +1,5 @@
 /* Error constants.  Linux/Alpha specific version.
-   Copyright (C) 1996-2020 Free Software Foundation, Inc.
+   Copyright (C) 1996-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/eventfd.h b/sysdeps/unix/sysv/linux/alpha/bits/eventfd.h
index 1d757e9c6c..78fa0498b8 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/eventfd.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/eventfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/fcntl.h b/sysdeps/unix/sysv/linux/alpha/bits/fcntl.h
index ffdd5dcfeb..b9abc65043 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux.
-   Copyright (C) 1995-2020 Free Software Foundation, Inc.
+   Copyright (C) 1995-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/inotify.h b/sysdeps/unix/sysv/linux/alpha/bits/inotify.h
index cda12d3b6c..282d03a6c6 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/inotify.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/inotify.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/ioctls.h b/sysdeps/unix/sysv/linux/alpha/bits/ioctls.h
index 90b4e095eb..a0a78624a4 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/ioctls.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/ioctls.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/local_lim.h b/sysdeps/unix/sysv/linux/alpha/bits/local_lim.h
index 5d274c8add..523407dc48 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/local_lim.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/local_lim.h
@@ -1,5 +1,5 @@
 /* Minimum guaranteed maximum values for system limits.  Linux/Alpha version.
-   Copyright (C) 1993-2020 Free Software Foundation, Inc.
+   Copyright (C) 1993-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/mman.h b/sysdeps/unix/sysv/linux/alpha/bits/mman.h
index 49906199b8..6ece645e53 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/mman.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/mman.h
@@ -1,5 +1,5 @@
 /* Definitions for POSIX memory map interface.  Linux/Alpha version.
-   Copyright (C) 1997-2020 Free Software Foundation, Inc.
+   Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/netdb.h b/sysdeps/unix/sysv/linux/alpha/bits/netdb.h
index 389e9c1fad..a2afc196c0 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/netdb.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/netdb.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/procfs-prregset.h b/sysdeps/unix/sysv/linux/alpha/bits/procfs-prregset.h
index a5baf1361d..240e042ab4 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/procfs-prregset.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/procfs-prregset.h
@@ -1,5 +1,5 @@
 /* Types of prgregset_t and prfpregset_t.  Alpha version.
-   Copyright (C) 2018-2020 Free Software Foundation, Inc.
+   Copyright (C) 2018-2021 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/procfs.h b/sysdeps/unix/sysv/linux/alpha/bits/procfs.h
index 9d2500665b..87acb75967 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/procfs.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/procfs.h
@@ -1,5 +1,5 @@
 /* Types for registers for sys/procfs.h.  Alpha version.
-   Copyright (C) 1996-2020 Free Software Foundation, Inc.
+   Copyright (C) 1996-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/resource.h b/sysdeps/unix/sysv/linux/alpha/bits/resource.h
index 8b80906f27..45b35657d7 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/resource.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/resource.h
@@ -1,5 +1,5 @@
 /* Bit values & structures for resource limits.  Alpha/Linux version.
-   Copyright (C) 1994-2020 Free Software Foundation, Inc.
+   Copyright (C) 1994-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/sigaction.h b/sysdeps/unix/sysv/linux/alpha/bits/sigaction.h
index 3f19788395..e23d01821f 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/sigaction.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/sigaction.h
@@ -1,5 +1,5 @@
 /* The proper definitions for Linux/Alpha sigaction.
-   Copyright (C) 1996-2020 Free Software Foundation, Inc.
+   Copyright (C) 1996-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/signalfd.h b/sysdeps/unix/sysv/linux/alpha/bits/signalfd.h
index 7989c9fd12..5eb056ea2a 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/signalfd.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/signalfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/signum-arch.h b/sysdeps/unix/sysv/linux/alpha/bits/signum-arch.h
index 47200d7337..0ed8b9d478 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/signum-arch.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/signum-arch.h
@@ -1,5 +1,5 @@
 /* Signal number definitions.  Linux/Alpha version.
-   Copyright (C) 1996-2020 Free Software Foundation, Inc.
+   Copyright (C) 1996-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/sigstack.h b/sysdeps/unix/sysv/linux/alpha/bits/sigstack.h
index 9ced7f48f1..fe60c54201 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/sigstack.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/sigstack.h
@@ -1,5 +1,5 @@
 /* sigstack, sigaltstack definitions.
-   Copyright (C) 1998-2020 Free Software Foundation, Inc.
+   Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/socket-constants.h b/sysdeps/unix/sysv/linux/alpha/bits/socket-constants.h
index e3e4180455..7d90c06a8b 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/socket-constants.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/socket-constants.h
@@ -1,5 +1,5 @@
 /* Socket constants which vary among Linux architectures.  Version for alpha.
-   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   Copyright (C) 2019-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/socket_type.h b/sysdeps/unix/sysv/linux/alpha/bits/socket_type.h
index fefdc3b66b..64fbaa1598 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/socket_type.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/socket_type.h
@@ -1,5 +1,5 @@
 /* Define enum __socket_type for Linux/Alpha.
-   Copyright (C) 1991-2020 Free Software Foundation, Inc.
+   Copyright (C) 1991-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/statfs.h b/sysdeps/unix/sysv/linux/alpha/bits/statfs.h
index 6a3ddbf2cf..d0f5c1c8ae 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/statfs.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/statfs.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/struct_stat.h b/sysdeps/unix/sysv/linux/alpha/bits/struct_stat.h
index d2aae9fdd7..c02836ff32 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/struct_stat.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/struct_stat.h
@@ -1,5 +1,5 @@
 /* Definition for struct stat.
-   Copyright (C) 2020 Free Software Foundation, Inc.
+   Copyright (C) 2020-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/termios-baud.h b/sysdeps/unix/sysv/linux/alpha/bits/termios-baud.h
index 9acdc8119c..32d2d74a49 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/termios-baud.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/termios-baud.h
@@ -1,5 +1,5 @@
 /* termios baud rate selection definitions.  Linux/alpha version.
-   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   Copyright (C) 2019-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/termios-c_cc.h b/sysdeps/unix/sysv/linux/alpha/bits/termios-c_cc.h
index 2645e40c5e..f6b7486de7 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/termios-c_cc.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/termios-c_cc.h
@@ -1,5 +1,5 @@
 /* termios c_cc symbolic constant definitions.  Linux/alpha version.
-   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   Copyright (C) 2019-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/termios-c_cflag.h b/sysdeps/unix/sysv/linux/alpha/bits/termios-c_cflag.h
index 3410887a35..161799ac48 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/termios-c_cflag.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/termios-c_cflag.h
@@ -1,5 +1,5 @@
 /* termios control mode definitions.  Linux/alpha version.
-   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   Copyright (C) 2019-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/termios-c_iflag.h b/sysdeps/unix/sysv/linux/alpha/bits/termios-c_iflag.h
index 92c9165e36..e6a7e4c276 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/termios-c_iflag.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/termios-c_iflag.h
@@ -1,5 +1,5 @@
 /* termios input mode definitions.  Linux/alpha version.
-   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   Copyright (C) 2019-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/termios-c_lflag.h b/sysdeps/unix/sysv/linux/alpha/bits/termios-c_lflag.h
index 4f6b2d862d..139a83c845 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/termios-c_lflag.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/termios-c_lflag.h
@@ -1,5 +1,5 @@
 /* termios local mode definitions.  Linux/alpha version.
-   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   Copyright (C) 2019-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/termios-c_oflag.h b/sysdeps/unix/sysv/linux/alpha/bits/termios-c_oflag.h
index 53485df0f4..3413a648dd 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/termios-c_oflag.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/termios-c_oflag.h
@@ -1,5 +1,5 @@
 /* termios output mode definitions.  Linux/alpha version.
-   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   Copyright (C) 2019-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/termios-struct.h b/sysdeps/unix/sysv/linux/alpha/bits/termios-struct.h
index 93e5de233a..417ca22d35 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/termios-struct.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/termios-struct.h
@@ -1,5 +1,5 @@
 /* struct termios definition.  Linux/alpha version.
-   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   Copyright (C) 2019-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/timerfd.h b/sysdeps/unix/sysv/linux/alpha/bits/timerfd.h
index 08775e48b4..851467e882 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/timerfd.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/timerfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2008-2020 Free Software Foundation, Inc.
+/* Copyright (C) 2008-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/typesizes.h b/sysdeps/unix/sysv/linux/alpha/bits/typesizes.h
index 1d1fd242dc..9bdc925168 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/typesizes.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/typesizes.h
@@ -1,5 +1,5 @@
 /* bits/typesizes.h -- underlying types for *_t.  Linux/Alpha version.
-   Copyright (C) 2002-2020 Free Software Foundation, Inc.
+   Copyright (C) 2002-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/wordsize.h b/sysdeps/unix/sysv/linux/alpha/bits/wordsize.h
index 74289c244a..cb3c41ddb4 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/wordsize.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/wordsize.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or