From: Eli Zaretskii <eliz@gnu.org>
To: Peter Dyballa <Peter_Dyballa@Freenet.DE>
Cc: 9203@debbugs.gnu.org
Subject: bug#9203: 24.0.50; some Clang experience
Date: Sat, 30 Jul 2011 15:27:06 +0300 [thread overview]
Message-ID: <83livgc5t1.fsf@gnu.org> (raw)
In-Reply-To: <D45030E5-C858-47E3-9536-70292431E445@Freenet.DE>
> From: Peter Dyballa <Peter_Dyballa@Freenet.DE>
> Date: Sat, 30 Jul 2011 13:53:30 +0200
>
> When using
>
> Apple clang version 2.0 (tags/Apple/clang-139) (based on LLVM 2.9svn)
> Target: x86_64-apple-darwin10
> Thread model: posix
>
> to compile GNU Emacs on Mac OS X 10.6.8 with intel Core i7 it warns about some statements:
>
> emacs-24.0.50/lib-src/../src/regex.c:6603:15: warning:
> comparison of unsigned enum expression >= 0 is always true [-Wtautological-compare]
> if (ret >= 0)
> ~~~ ^ ~
`ret' is of the type `reg_errcode_t', which is an enumerated data
type, so its signedness is implementation-defined, AFAIK. Why did you
use that particular warning option?
next prev parent reply other threads:[~2011-07-30 12:27 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-30 11:53 bug#9203: 24.0.50; some Clang experience Peter Dyballa
2011-07-30 12:27 ` Eli Zaretskii [this message]
2011-07-30 12:58 ` Peter Dyballa
2011-07-30 13:22 ` Andreas Schwab
2011-07-30 13:31 ` Eli Zaretskii
2011-07-30 13:49 ` Andreas Schwab
2011-07-30 14:11 ` Eli Zaretskii
2011-07-30 14:33 ` Andreas Schwab
2015-12-22 3:44 ` Tom Tromey
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