On 10/18/10 10:31 , Jecel Assumpcao Jr. wrote:
> We have had several discussions about the tags in Squeak. xxxxxx1 is a
> SmallInteger and xxxxxx00 is an object pointer, but xxxxxx10 is not
> generally used.

How does the mark and sweep GC handle mark stack overflows?  Is there a 
bit in the object header for that?

Andres.