Per Inge Mathisen schreef:
> On Tue, Mar 11, 2008 at 12:27 AM, Giel van Schijndel <[EMAIL PROTECTED]>
> wrote:
>> > Just to nitpick a little bit. You cannot downcast, since the memory
>> > address points to the child object. Take this example:
>>
>> Erm to use this example:
>>
>> typedef struct
>> {
>> some_type X;
>> } a_new_type;
>>
>> a_new_type Y;
>>
>> Now my point is that the starting address of Y is _exactly_ the same to
>> that of Y.X because Y.X is the first struct member of Y.
>
> Clever, but unless I misunderstand the standard, this casting would
> still violate strict aliasing, though?Yes, it would still violate strict aliasing like it does now. Though in this case it would only violate strict aliasing when casting from base->derived. Either way, I don't think it's worth the trouble. -- Giel
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