init-regs pass initializes virtual-stack-vars?

[Uros Bizjak]

Rask Ingemann Lambertsen wrote:
> On Sat, Jun 16, 2007 at 08:11:18PM +0200, Uros Bizjak wrote:
>   
>> Hello!
>>
>> There is something strange going on, it looks that initialization of 
>> virtual-stack-vars register in init-regs pass confuses greg. In 
>> 154r.regclass we have this sequence:
>>     
>
>    It should have disappeared in the vregs pass, like all (?) the other
> virtual pseudo registers.
>   

Filled as PR rtl-optimization/32374, probably a dataflow bug.

Uros.