The FANCY_REFERENCE_SUBCLASS code is based on a misconception of what the VM
is permitted to do, and it would be buggy to ever turn it on.
diff --git a/vm/alloc/Heap.c b/vm/alloc/Heap.c
index 33efa85..07f0a20 100644
--- a/vm/alloc/Heap.c
+++ b/vm/alloc/Heap.c
@@ -236,9 +236,9 @@
if (obj != NULL) {
uintptr_t workBits;
- workBits = (uintptr_t)obj & (WORKER_CLEAR | WORKER_ENQUEUE);
+ workBits = (uintptr_t)obj & WORKER_ENQUEUE;
assert(workBits != 0);
- obj = (Object *)((uintptr_t)obj & ~(WORKER_CLEAR | WORKER_ENQUEUE));
+ obj = (Object *)((uintptr_t)obj & ~WORKER_ENQUEUE);
*op = workBits;
} else {