[Bug middle-end/35560] Missing CSE/PRE for memory operations involved in virtual call.

[Andrew Thomas Pinski]

I think this bug is invalid since the type can change via a placement  
new which will change the vtable.

Sent from my iPhone

On Nov 30, 2008, at 4:09 AM, "rguenth at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org 
 > wrote:

>
>
> ------- Comment #3 from rguenth at gcc dot gnu dot org  2008-11-30  
> 12:09 -------
> Note that we also do not CSE OBJ_TYPE_REF trees which seem to be  
> valid gimple
> in place of the call in GIMPLE_CALLs so they do not get a separate
> value-number.
> (not that we would do anything useful with them if they were  
> standalone,
> testcase for that welcome)
>
>
> -- 
>
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35560
>