Дмитрий Дьяченко wrote:
> 2009/2/5 Andrew Pinski <pinskia@xxxxxxxxx>:
>> On Wed, Feb 4, 2009 at 1:18 PM, Дмитрий Дьяченко <dimhen@xxxxxxxxx> wrote:
>>> The following code
>>>
>>> int bar(int *global)
>>> {
>>> int local;
>>> if(&local != global)
>>> return 0;
>>> return local;
>>> }
>> The issue is that GCC does not figure that global cannot point to
>> local so it does not optimize away the if statement.
> Sorry, but I don't understood - is it impossible to fix, so there are
> no needs in bug report?
> Or PR about this issue already exists?
> Or it's not a bug?
It's not a bug. gcc is warning you that the return statement may use an
uninitialized local. It does, so there is not a bug. The fact that the
return statement isn't reachable doesn't imply that there should be no
warning.
Andrew.
