/* strcat(dest, src) -- Append SRC on the end of DEST.
Optimized for x86-64.
- Copyright (C) 2002-2019 Free Software Foundation, Inc.
+ Copyright (C) 2002-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Jaeger <aj@suse.de>, 2002.