[project @ 1999-02-02 14:21:28 by simonm]

[project @ 1999-02-02 14:21:28 by simonm]
- Add ticky counter for total bytes copied during GC.
- Separate mutable list into two lists, a "mut once" list for
  old generation indirections and MUT_CONS cells, and a "mut many"
  list for mutable arrays, TSOs etc.  Objects on the "mut once" list
  will be eagerly promoted.