master updated (2c1e5b9 -> e10940f)

[Paul Eggert]

eggert pushed a change to branch master.

      from  2c1e5b9   * lisp/progmodes/project.el (project-vc-dir, 
project-shell): New commands.
      adds  a8ad94c   Fix mingw.org's MinGW GCC 9 warning about 'execve'
      adds  d3e0023   ; * etc/TODO: Fix formatting.  (Bug#41497)
      adds  f72bb4c   * lisp/tab-bar.el (switch-to-buffer-other-tab): Normalize 
buffer.
      adds  41232e6   Avoid crashes due to bidi cache being reset during 
redisplay
      adds  cc340da   Fix bug #41618 "(byte-compile 'foo) errors when foo is a 
macro."
      adds  36f508f   ; * src/xdisp.c (find_last_unchanged_at_beg_row): Fix a 
typo.
      adds  68b6dad   Be more aggressive in marking objects during GC
      adds  44c0e07   * doc/emacs/buffers.texi (Icomplete): Mention 
icomplete-minibuffer-setup-hook.
       new  e10bd9e   Merge from origin/emacs-27
      adds  fb90f46   ; Auto-commit of loaddefs files.
       new  8c3ed29   ; Merge from origin/emacs-27
      adds  0260d2d   Don't call 'mbrtowc' on WINDOWSNT
       new  e10940f   Merge from origin/emacs-27


Summary of changes:
 doc/emacs/buffers.texi      |    9 +-
 etc/TODO                    | 1360 +++++++++++++++++++++++--------------------
 lisp/emacs-lisp/bytecomp.el |    7 +-
 lisp/progmodes/cc-mode.el   |    2 +-
 lisp/tab-bar.el             |    7 +-
 src/alloc.c                 |   43 +-
 src/emacs.c                 |    5 +-
 src/xdisp.c                 |    4 +-
 8 files changed, 753 insertions(+), 684 deletions(-)