summaryrefslogtreecommitdiff
path: root/lisp/emacs-lisp/cl-generic.el
diff options
context:
space:
mode:
Diffstat (limited to 'lisp/emacs-lisp/cl-generic.el')
-rw-r--r--lisp/emacs-lisp/cl-generic.el6
1 files changed, 5 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/cl-generic.el b/lisp/emacs-lisp/cl-generic.el
index b3ade3b8943..7b6d43e572b 100644
--- a/lisp/emacs-lisp/cl-generic.el
+++ b/lisp/emacs-lisp/cl-generic.el
@@ -650,13 +650,17 @@ The set of acceptable TYPEs (also called \"specializers\") is defined
(cl--generic-name generic)
qualifiers specializers))
current-load-list :test #'equal)
- (let (;; Prevent `defalias' from recording this as the definition site of
+ (let ((old-adv-cc (get-advertised-calling-convention
+ (symbol-function sym)))
+ ;; Prevent `defalias' from recording this as the definition site of
;; the generic function.
current-load-list
;; BEWARE! Don't purify this function definition, since that leads
;; to memory corruption if the hash-tables it holds are modified
;; (the GC doesn't trace those pointers).
(purify-flag nil))
+ (when (listp old-adv-cc)
+ (set-advertised-calling-convention gfun old-adv-cc nil))
;; But do use `defalias', so that it interacts properly with nadvice,
;; e.g. for tracing/debug-on-entry.
(defalias sym gfun)))))