Merge from origin/emacs-27

9939c435c1 Return the correct suffix in eww-make-unique-file-name
17fa17be3d Save bookmarks by using `write-file' (bug#12507)
2cdf1fd261 Fix filing messages when 'rmail-output-reset-deleted-flag'...
a72db8ab8b Make file copying in tramp-gvfs more robust
f31cacd1ff Revert "Fix incorrect handling of module runtime and envir...
cdc632fbe6 Fix incorrect handling of module runtime and environment p...
c9160bda78 CC Mode: Fix error in cache handling.  This fixes bug #43481

diff --cc lisp/bookmark.el
Simple merge

diff --cc lisp/net/eww.el
Simple merge

diff --cc lisp/net/tramp-gvfs.el
Simple merge

diff --cc lisp/progmodes/cc-engine.el
Simple merge