[Bug c/17170] -Wdefault-bitfield-sign

[jsm at polyomino dot org dot uk]

------- Additional Comments From jsm at polyomino dot org dot uk  2004-08-31 15:50 -------
Subject: Re:  -Wdefault-bitfield-sign

On Tue, 31 Aug 2004, terra at gnome dot org wrote:

> I did a crude grep-scan on a 2.4.x linux kernel and found ~50 1-bit bitfields
> that were signed by default.  A previous scan on parts of Gnome revealed a
> similar number.  In other words, that kind of code is quite common.

There were quite a few in GCC.  I got rid of them as preliminary to 
getting in the bit-field patch that gave them their proper 1-bit signed 
type and so caused assignments of 1 to such bit-fields to give a warning 
of overflow in the implicit conversion.



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17170