GC changes

[Geoff Keating]

> Date: Fri, 12 Jan 2001 07:34:09 +1100
> From: Tim Josling <tej@melbpc.org.au>

> Here we are building a GCable structure. Once it is all linked
> into the main trees under the roots and visible to the mark
> routines, it will not disappear during GC. But until then, it is
> vulnerable to GC, which can be triggered on any memory
> allocation. Here there seem to be several memory allocations and
> the early ones are unprotected.

I believe that at present GC is triggered only when ggc_collect() is called.

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