[PATCH]: An almost working copying collector for gcc

[Daniel Berlin]

>>
> Cool!
>
> The main tricky part was actually handling the non-recursive chain_* 
> in a sensible way.
> Not yet.
> But i'll rewrite it to work on the pch-branch, and see if it's any 
> easier.
>
It was.
We have locals we expect to be the same between collections.
Which means i'm gonna have to do stack scanning for pointers.
Whee!

>
>>
>> -- 
>> - Geoffrey Keating <geoffk@geoffk.org>
>