Add some comments

Author: MrSmith33

source/vox/vm/interpret.d

@@ -389,6 +389,7 @@ private void pre_drop_stack_range(ref VmState vm, DroppedStackSlots dropped) {
 		// Restore references from stackAllocs to stackAllocs
 		changeLocalPointeeInRefs(vm, stackAllocs, 1, fromSlot, toSlot);
 
+		// This may be a false positive if allocations pointing to the stack are garbage
 		return vm.setTrap(VmStatus.ERR_ESCAPED_PTR_TO_STACK_IN_MEM, i);
 	}
 

source/vox/vm/memory.d

@@ -65,6 +65,7 @@ struct Allocation {
 	SizeAndAlign sizeAlign;
 	// How many pointers to this allocation exist in other allocations
 	// Pointers in registers do not increment the numInRefs
+	// Only used to report escaped stack pointers
 	u32 numInRefs;
 
 	static if (OUT_REFS_PER_ALLOCATION) {