https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61421
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2014-06-05
Ever confirmed|0 |1
--- Comment #10 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to mimamer from comment #9)
> Now that I have read enough about aliasing rules I realize that they are
> considerably fucked up and that their is no way to efficiently downcast
> without violating strict aliasing rules.
I don't see any downcasting, all I see is side casting; at least with your code
sections so far.
How are list2<T>::node and T declared? Does the first element of node a T or
inherits from T? If not there is no downcasting, it is rather side casting and
that is what makes the code undefined.
