Suggestion for improving C++ parser memory usage

[Robert Dewar]

Mike Hearn wrote:

> Nope, I'm just an observer. But I don't think memory usage reductions
> should be discarded on the grounds that you need at least half a gig of
> RAM to compile C++, that sounds crazy to my ears. 

Significant memory reductions are certainly of interest, but it seems
very dubious that this particular suggestion would pay off, and it also
seems that it would murkify the parser for no appreciable gain.

That being said, if you want to try to work out a patch, go ahead!
> 
> If the complexity/memory-savings tradeoff doesn't make sense then by all
> means ignore me :)
> 
> thanks -mike