master updated (aad91285c3 -> 35bf8d4a02)

[Stefan Kangas]

skangas pushed a change to branch master.

      from  aad91285c3 Fix disconnect errors on some X servers
      adds  31af9bca99 Mark flymake as compatible with emacs-26.1
      adds  69e82968d7 Fix integer arithmetic miss-compilation (bug#53451)
       new  35bf8d4a02 Merge from origin/emacs-28


Summary of changes:
 lisp/emacs-lisp/comp-cstr.el | 26 ++++++++++++++------------
 lisp/progmodes/flymake.el    |  4 ++--
 test/src/comp-tests.el       |  9 ++++++++-
 3 files changed, 24 insertions(+), 15 deletions(-)