diff options
Diffstat (limited to 'lisp/emacs-lisp/byte-run.el')
| -rw-r--r-- | lisp/emacs-lisp/byte-run.el | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/byte-run.el b/lisp/emacs-lisp/byte-run.el index 2031049e678..2fa646f2531 100644 --- a/lisp/emacs-lisp/byte-run.el +++ b/lisp/emacs-lisp/byte-run.el @@ -223,7 +223,11 @@ So far, FUNCTION can only be a symbol, not a lambda expression." val))))) (defalias 'byte-run--set-function-type - #'(lambda (f _args val) + #'(lambda (f _args val &optional f2) + (when (and f2 (not (eq f2 f))) + (error + "`%s' does not match top level function `%s' inside function type \ +declaration" f2 f)) (list 'function-put (list 'quote f) ''function-type (list 'quote val)))) |