master updated (ec3b6fa -> fd86829)

[Andrea Corallo]

akrl pushed a change to branch master.

      from  ec3b6fa   Make `C-x C-d' require either an existing directory or a 
wildcard
       new  c35c86a   * lisp/emacs-lisp/cl-macs.el (cl-defstruct): Decl struct 
predicates as pure
       new  f3284d5   * Redefine `comp-cstr-shallow-copy'
       new  fd86829   Make use of `comp-cstr-shallow-copy'


Summary of changes:
 lisp/emacs-lisp/cl-macs.el   |  2 +-
 lisp/emacs-lisp/comp-cstr.el | 64 +++++++++++++++++---------------------------
 lisp/emacs-lisp/comp.el      | 16 +++--------
 3 files changed, 29 insertions(+), 53 deletions(-)