[coreboot] Strange ROMCC failure with Rev 5623

[Myles Watson]

>> It looks like Patrick found this before:
>> http://www.coreboot.org/pipermail/coreboot/2009-November/054387.html
>>
>> If I take out the free it works fine.  It seems like there must be a better fix.
>
> Agreed.
>
> I took a look at this a little bit with Stefan and he helped me track where
> the double free is.
>
> The routine doing the freeing badly needs to be rewritten to use simpler logic
> as the recursive logic it is using now just doesn't work, and it winds
> up to be a bit of a crap shoot if your compile gets killed by this or not.

What if we just agree that host machines have a lot of RAM, romcc is
not a long-running program, and life will be easier if nothing gets
freed.  How much RAM are we talking about?  It might be easier to
debug if nothing gets zeroed.

Thanks,
Myles