Java GC descriptor vs. tree_int_cst on 64-bit platforms

[Jeff Sturm]

On Tue, 27 Mar 2001, Boehm, Hans wrote:
> I'm not sure why alpha users haven't noticed,

I've noticed.  But I never entered a PR.  It was still on my todo list.

> though they may be running with a hack to disable bitmap marking.

Yep.  It's easy to swap boehm.cc for conservative marking.  And the
testsuite doesn't expose the problem, probably because each test doesn't
run long enough to collect anything.

Thanks for investigating this!

Jeff