storing the hash multiplier instead of the hash value

[Robert Jacques]

On Mon, 22 Mar 2010 17:04:56 -0300, Andrei Alexandrescu  
<SeeWebsiteForEmail at erdani.org> wrote:

> On 03/22/2010 02:50 PM, Daniel Keep wrote:
>>
>> How about just *fixing* the hashtable so it doesn't generate false
>> pointers in the first place?  Maybe I'm just strange, but that seems
>> like a more direct, efficacious solution...
>
> This was of course the first thing Walter and I discussed. It turns out  
> that that would necessitate precise GC, which we don't have yet.

What about the precise GC patch?  
http://d.puremagic.com/issues/show_bug.cgi?id=3463