[m-rev.] for review: disable_warnings scope

[Zoltan Somogyi]

On Thu, 12 Jan 2017 14:31:59 +1100, Paul Bone <paul at bone.id.au> wrote:
> I've checked my work on the new pragma also.  It looks like I have it
> working for self-recursive code in both MLDS and LLDS backends.  But it is
> not done for mutually recursive code.  Either with or without specifing the
> predicates within the SCC.  I'm starting work on this now.

I think you should probably wait a couple of days; I still have some cleanups
I am working on in the affected files.

Zoltan.