Fwd: c/10719: invalid code generated (x86, "int $5") with __builtin_va_arg(va, char);

[Andrew Pinski]

Reply to this email is how to add to the bug.


Thanks,
Andrew Pinski

Begin forwarded message:

> From: sbiallas@online-club.de
> Date: Fri May 9, 2003  16:56:59 US/Eastern
> To: Andrew Pinski <pinskia@physics.uc.edu>
> Subject: Re: c/10719: invalid code generated (x86, "int $5") with 
> __builtin_va_arg(va, char);
>
>
>> va_arg(va, char) is not valid code so it could
> produce anything, gcc
>> use `int $5' on x86 to make sure you know it is
> not valid.
>
>>
>> So you said it is not valid, it gives you a
> warning also so that is the
>>
>> correct behavior aka not a bug.
>
> IF this is really invalid, gcc should give me an
> error not a warning.
>
> The warning is:
> cuda.i:8: warning: `char' is promoted to `int'
> when passed through `...'
> cuda.i:8: warning: (so you should pass `int' not
> `char' to `va_arg')
>
> Since it promotes char to int, I believe
> everything works fine (with warnings, though).
>
> btw this used to work in older versions.
>
> I dont know how to add this reply to the bug,
> therefore reply by email.
>
>