hottest           662 gc/solaris_threads.c     register ptr_t hottest = (ptr_t)((word)(&dummy) & ~(HBLKSIZE-1));
hottest           676 gc/solaris_threads.c     if (stack > hottest || stack + stack_size < hottest) {
hottest           679 gc/solaris_threads.c     GC_is_fresh((struct hblk *)stack, divHBLKSZ(hottest - stack));