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* lisp/emacs-lisp/cconv.el (cconv--analyze-use): Tune down the warning

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Don't warn for always-nil bindings if the binding is made explicit.
Fixes bug#47080.
This commit is contained in:
Stefan Monnier 2021-03-11 22:27:41 -05:00
parent 7109307c1a
commit 009bc7c9d8
1 changed files with 2 additions and 1 deletions
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lisp/emacs-lisp/cconv.el
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@ -602,7 +602,8 @@ FORM is the parent form that binds this var."
(byte-compile-warn
"%s `%S' not left unused" varkind var))
((and (let (or 'let* 'let) (car form))
`(,(or `(,var) `(,var nil)) t nil ,_ ,_))
`(,`(,var) ;; (or `(,var nil) : Too many false positives: bug#47080
t nil ,_ ,_))
;; FIXME: Convert this warning to use `macroexp--warn-wrap'
;; so as to give better position information.
(unless (not (intern-soft var))