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authorLars Ingebrigtsen <larsi@gnus.org>2021-09-22 23:46:59 +0200
committerLars Ingebrigtsen <larsi@gnus.org>2021-09-22 23:47:04 +0200
commitbb3a045501281f7aafe800f729c253688780fc48 (patch)
tree4c5fa624eb5392ac7bb7b246ee28eb097a82d59d /lisp/emacs-lisp
parent25019f5e249f39614f4f48b34a461b9f85b5416a (diff)
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Improve error messaging from byte-compiling dotted lists
* lisp/emacs-lisp/cconv.el (cconv-analyze-form): Improve error messaging when byte-compiling dotted lists (bug#35186). Test case -- byte-compile the following file: ;;; -*- lexical-binding: t -*- (defun foo () (+ 1 2) (a . b))
Diffstat (limited to 'lisp/emacs-lisp')
-rw-r--r--lisp/emacs-lisp/cconv.el2
1 files changed, 2 insertions, 0 deletions
diff --git a/lisp/emacs-lisp/cconv.el b/lisp/emacs-lisp/cconv.el
index ba29e4ec85e..0a6b04b4c1f 100644
--- a/lisp/emacs-lisp/cconv.el
+++ b/lisp/emacs-lisp/cconv.el
@@ -794,6 +794,8 @@ This function does not return anything but instead fills the
;; (`(declare . ,_) nil) ;The args don't contain code.
(`(,_ . ,body-forms) ; First element is a function or whatever.
+ (unless (listp body-forms)
+ (signal 'wrong-type-argument (list 'proper-list-p form)))
(dolist (form body-forms) (cconv-analyze-form form env)))
((pred symbolp)