Merge remote-tracking branch 'origin/master' into native-tls

Merge remote-tracking branch 'origin/master' into native-tls

* origin/master: (37 commits)
  NEWS
  NEWS
  Fix bug #68601 buffer read overflow in gd_gif_in.c
  Fixed compilation warnings
  Removed unnecessary checks
  pcntl_signal_dispatch: Speed up by preventing system calls when unnecessary
  Merged PR #911.
  Removed ZEND_ACC_FINAL_CLASS which is unnecessary. This also fixed some currently defined classes as final which were just not being considered as such before.
  Updated NEWS
  Updated NEWS
  Updated NEWS
  Fix bug #68532: convert.base64-encode omits padding bytes
  Updated NEWS
  Updated NEWS
  Updated NEWS
  Fixed Bug #65576 (Constructor from trait conflicts with inherited constructor)
  Updated NEWS
  Updated NEWS
  Fix MySQLi tests
  Fixed gd test
  ...