gcc 4.0.0 on amd64: problem with -O2?

[Andrew Pinski]

On May 8, 2005, at 4:17 PM, Harald Dunkel wrote:

> Falk Hueffner wrote:
>>
>> It doesn't know that. The warning is for the *creation* of the
>> type-punned pointer, which is still perfectly fine. Gcc is too stupid
>> to notice whether you actually dereference it.
>>
>
> Yup. There are billions of this constructs in everbodies
> and his moms source files. By now (< 4.0.0) this did not
> hurt.

That is not true, this has been an issue for people since 3.0.x (and 
also
for 2.95, not 2.95.1 though).  Just we did not do as much optimization 
as
before as we do now.

-- Pinski