[tree-ssa] Dce & infinite loops

[Paolo Carlini]

Zdenek Dvorak wrote:

>Hello,
>
>I may be wrong, but IIRC it is incorrect to remove infinite loops, as
>happens currently for example for the following code:
>  
>
Hi Zdenek, a naive reply: I'm almost sure to remember messages pointing
out that in fact we don't want to remove infinite loop and even finite but
redundant ones (empty body).

I will try to dig out something from the archive.

Paolo.