I'm just guessing, but if a function receives a pointer, it does not store the pointer anywhere but works with the contents, and finally returns while VM is blocked, voilá :).
On Wed, Jul 3, 2013 at 10:13 PM, Stéphane Ducasse <stephane.duca...@inria.fr > wrote: > > > if you pass a pointer to something in object memory into function, > make sure GC cannot move the object while function uses/accessing its > contents. > > > How? > > >
