Warning using -Wconversion and -Ox in gcc 4.5 and 4.6 but not in previous releases

[Ian Lance Taylor]

José Luis García Pallero <jgpallero@gmail.com> writes:

> El día 7 de marzo de 2011 15:28, Cedric Roux <cedric.roux@acri-st.fr> escribió:
>>> But why in previous gcc versions the warning didn't appears. And
>>> strspn() is a common function in string.h. I don't understand why the
>>> call to strspn() with correct arguments emits a warning.
>>
>> Because it's most certainly a bug.
>
> Can anyone upload a bug report to gcc bugzilla or gcc-bug mailing
> list? I'm not subscribed

It's not clear to me whether this is a gcc bug or a glibc bug.

Consider the -fcond-mismatch option.

Ian