master updated (df34ed8 -> 25e1b73)

[Stefan Monnier]

monnier pushed a change to branch master.

      from  df34ed8   Don't crash if no asynchronous process has been created 
yet.
       new  0ab56a4   * lisp/emacs-lisp/pcase.el: Add support for `not` to 
`pred`
       new  25e1b73   * lisp/emacs-lisp/byte-opt.el 
(byte-optimize-form-code-walker): Use pcase


Summary of changes:
 doc/lispref/control.texi            |   5 +-
 etc/NEWS                            |   6 +
 lisp/emacs-lisp/byte-opt.el         | 351 ++++++++++++++++++------------------
 lisp/emacs-lisp/ert.el              |   4 +-
 lisp/emacs-lisp/pcase.el            |  46 ++++-
 lisp/emacs-lisp/radix-tree.el       |   7 +-
 test/lisp/emacs-lisp/pcase-tests.el |   4 +
 7 files changed, 231 insertions(+), 192 deletions(-)