GNU bug report logs - #15416
Unused lexical argument warnings not optimized away in featurep 'xemacs

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Package: emacs;

Reported by: Glenn Morris <rgm <at> gnu.org>

Date: Thu, 19 Sep 2013 02:52:02 UTC

Severity: minor

Tags: wontfix

Found in version 24.3.50

Done: Glenn Morris <rgm <at> gnu.org>

Bug is archived. No further changes may be made.

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From: Glenn Morris <rgm <at> gnu.org>
To: 15416 <at> debbugs.gnu.org
Subject: bug#15416: Unused lexical argument warnings not optimized away in featurep 'xemacs
Date: Wed, 18 Sep 2013 22:51:01 -0400

Package: emacs
Version: 24.3.50
Severity: minor

Byte-compiling this:

; -*- lexical-binding: t -*-
(if (featurep 'xemacs)
  (defun foo (blah)
   ))

gives:

foo.el:2:1:Warning: Unused lexical argument `blah'

I thought code inside "(if (featurep 'xemacs)" was supposed to be
optimized away by the compiler?
This bug report was last modified 11 years and 252 days ago.

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