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bug#6740: Spurious byte compiler warnings
From: |
Alan Mackenzie |
Subject: |
bug#6740: Spurious byte compiler warnings |
Date: |
Tue, 27 Jul 2010 20:06:19 +0000 |
User-agent: |
Mutt/1.5.9i |
Hi, Emacs!
(i) Start Emacs, even a most recent bzr version, with -Q.
(ii) Put the following into the *scratch* buffer:
(eval-when-compile
(if (and (not (featurep 'cc-fix))
(featurep 'xemacs)
(progn
(require 'font-lock)
(let (font-lock-keywords)
(font-lock-compile-keywords '("\\<\\>"))
font-lock-keywords)))
(cc-load "cc-fix")))
(This fragment is at the top level, and taken from cc-defs.el.).
(iii) do M-x compile-defun on this form.
The byte compiler then issues the following two identical error
messages:
Warning: value returned from (featurep (quote cc-fix)) is unused
Warning: value returned from (featurep (quote cc-fix)) is unused
It is obvious that that value is indeed used. This is a bug.
--
Alan Mackenzie (Nuremberg, Germany).
- bug#6740: Spurious byte compiler warnings,
Alan Mackenzie <=
- bug#6740: Spurious byte compiler warnings, Dan Nicolaescu, 2010/07/27
- bug#6740: Spurious byte compiler warnings, Alan Mackenzie, 2010/07/27
- bug#6740: Spurious byte compiler warnings, Juanma Barranquero, 2010/07/27
- bug#6740: Spurious byte compiler warnings, Alan Mackenzie, 2010/07/28
- bug#6740: Spurious byte compiler warnings, Juanma Barranquero, 2010/07/28
- bug#6740: Spurious byte compiler warnings, Alan Mackenzie, 2010/07/28
- bug#6740: Spurious byte compiler warnings, Juanma Barranquero, 2010/07/28
- bug#6740: Spurious byte compiler warnings, Dan Nicolaescu, 2010/07/28
- bug#6740: Spurious byte compiler warnings, Alan Mackenzie, 2010/07/29
- bug#6740: Spurious byte compiler warnings, Juanma Barranquero, 2010/07/29