fix building

src/hacks.cr

@@ -66,23 +66,18 @@ class Fiber
  STDERR.flush
  end
  ensure
- {% if flag?(:preview_mt) %}
- Crystal::Scheduler.enqueue_free_stack @stack
- {% elsif flag?(:interpreted) %}
- # For interpreted mode we don't need a new stack, the stack is held by the interpreter
- {% else %}
- Fiber.stack_pool.release(@stack)
- {% end %}
-
  # Remove the current fiber from the linked list
- Fiber.fibers.delete(self)
-
- # Delete the resume event if it was used by `yield` or `sleep`
- @resume_event.try &.free
- @timeout_event.try &.free
- @timeout_select_action = nil
-
- @alive = false
- Crystal::Scheduler.reschedule
+ Fiber.inactive(self)
+
+ # Delete the resume event if it was used by `yield` or `sleep`
+ @resume_event.try &.free
+ @timeout_event.try &.free
+ @timeout_select_action = nil
+
+ @alive = false
+ {% unless flag?(:interpreted) %}
+ Crystal::Scheduler.stack_pool.release(@stack)
+ {% end %}
+ Crystal::Scheduler.reschedule
  end
 end