[Bug c++/20019] incorrect overflow warning
neil at daikokuya dot co dot uk
gcc-bugzilla@gcc.gnu.org
Thu Feb 17 16:28:00 GMT 2005
------- Additional Comments From neil at daikokuya dot co dot uk 2005-02-17 11:34 -------
Subject: Re: incorrect overflow warning
pinskia at gcc dot gnu dot org wrote:-
>
> ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-02-17 03:14 -------
> No the warning is correct as char on a lot of targets is signed by default so promoting (char)0x80 to int
> will give 0xFFFFFF80.
This explanation just doesn't make sense.
What should get a warning is the assignment of 0x80 to a char.
Neil.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20019
More information about the Gcc-bugs
mailing list