.. and evolving object format(s) (Was: Re: [Vm-dev] #becomeUncompact not longer works in Cog/Stack VMs)

[Gerardo Richarte]

On 05/09/2011 04:06 AM, Igor Stasenko wrote:
> There of course many ways how to use extra bits freed in header: how
> about supporting multiple/segregated memory regions for heap?
why do you need a flag to tell in which region the object lives?
isn't its memory address/oop enough to say it?

    gera