Potentially merging the transactional-memory branch into mainline.

[Aldy Hernandez]

>> Is this necessary for the entire patch, or just the parts that touch
>> existing parts of the toolchain.  For example, do you want me to run
>> this on libitm/, etc?  I'm really trying to minimize changes (even
>> whitespace stuff) at the last minute, but if you think it's
>> imperative, I will do so.
>
> Well, just IMO now is the last time when doing that is possible.
> We don't want to do such large changes on the trunk and really the amount of
> whitespace issues in the patch is huge.
> The script changes only leading and trailing whitespace, so it shouldn't
> make any difference to code generation, and you can verify with diff -upb
> that there are no non-whitespace changes.

Ok, I will do so right before the merge.

Am I still waiting for approval to commit the transactional memory work? 
  (Albeit after the cxx-mem-model merge).  Or is the merge to trunk 
still up for debate?