Change all license headers to comply with REUSE specification. Fix #16132 Co-authored-by: flynnnnnnnnnn <flynnnnnnnnnn@github> Co-authored-by: John Olheiser <john.olheiser@gmail.com>
This is a performance regression from #18058 Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: Andrew Thornton <art27@cantab.net>