[PATCH v2] PR rtl-optimization/66790: uninitialized registers handling in REE

[Pierre-Marie de Rodat]

David,

On 10/20/2015 11:17 AM, David Edelsohn wrote:
> Did this revised patch address the comments about MIR from Kenny?

Do you refer to this comment? 
(https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66790#c20)
> I do have to say that I am still uncomfortable with changing RRE to
> use a MUST problem rather than a MAY problem.   I see this as dumbing
> down the compiler to provide the semantics of uninitialized variables
> and it is a path that we have generally avoided in GCC. I do not have
> a better solution, but there is a feeling that something is being
> missed here.

I answered it with questions in comment #27 but there was no followup on 
this point afterwards and Bernd approved the change so I thought it was 
fine: what should I do?

Thanks in advance,

-- 
Pierre-Marie de Rodat