From 493fde95bed6c65e049b8e664837397546847b37 Mon Sep 17 00:00:00 2001 From: Mattias Engdegård Date: Tue, 2 Nov 2021 14:48:55 +0100 Subject: Optimise (cond) => nil at source level * lisp/emacs-lisp/byte-opt.el (byte-optimize-cond): Optimise clause-free `cond`, which can arise from earlier transformations. This enables further optimisations. * test/lisp/emacs-lisp/bytecomp-tests.el (bytecomp-tests--test-cases): Add test cases. --- lisp/emacs-lisp/byte-opt.el | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'lisp/emacs-lisp') diff --git a/lisp/emacs-lisp/byte-opt.el b/lisp/emacs-lisp/byte-opt.el index 9b3b2e5ce14..9c64083b64b 100644 --- a/lisp/emacs-lisp/byte-opt.el +++ b/lisp/emacs-lisp/byte-opt.el @@ -1327,7 +1327,7 @@ See Info node `(elisp) Integer Basics'." (list 'or (car (car clauses)) (byte-optimize-cond (cons (car form) (cdr (cdr form))))) - form)) + (and clauses form))) form)) (defun byte-optimize-if (form) -- cgit v1.2.3