On Thu, 18 Nov 2010 09:01:29 -0500, Gail Zacharias <gz at clozure.com> wrote: > What os version are you on? And what version of the C compiler? I was > seeing a similar problem a while back and it turned out it was a C > compiler bug. I'm using CCL from the release 1.5 tarball, r13651. Windows Vista box.