diff options
Diffstat (limited to 'lisp/emacs-lisp/bytecomp.el')
| -rw-r--r-- | lisp/emacs-lisp/bytecomp.el | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/bytecomp.el b/lisp/emacs-lisp/bytecomp.el index 02b886cdda0..e7f2115a848 100644 --- a/lisp/emacs-lisp/bytecomp.el +++ b/lisp/emacs-lisp/bytecomp.el @@ -2421,7 +2421,11 @@ by side-effects." (let* ((code (byte-compile-lambda (nthcdr 2 form) t))) (if this-one - (setcdr this-one code) + ;; A definition in b-c-initial-m-e should always take precedence + ;; during compilation, so don't let it be redefined. (Bug#8647) + (or (and macrop + (assq name byte-compile-initial-macro-environment)) + (setcdr this-one code)) (set this-kind (cons (cons name code) (symbol-value this-kind)))) |