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Re: 3.4 memory/compile time performance patches, round 2

> > Jan Hubicka wrote:
> > 
> > >Mark,
> > >I would like to get more of memory patches to 3.4 branch.  
> > >
> > I'm getting to the point where I'm not going to want any more such 
> > patches.  We're about a month out at this point, and yes, 
> > memory/compile-time is a major issue, but it's also the kind of thing 
> > where you can introduce weird failures that only occur on some systems, 
> > and we don't want. that.  So, this is a heads-up: in another week okr 
> > so, I'm probably not going to accept any more of these patches for 
> > 3.4.0.  We can consider putting them in 3.4.1 if they've been proven on 
> > the mainline by that point.
> This is fine for me.  I don't think I have any other patches in mainline
> that makes really a lot of difference (but I will check and send mail
> shortly if I missed something).  Some of them are waiting, but putting

It looks like everything important is merged.  Mainline now produces
30MB of garbage compiling combine.i, while 3.4 branch 31MB.
15% of that memory can be saved by quite trivial patch:
That has not been reviewed for mainline yet tought.


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