src: initialize fields accessed by AsyncHooks before AsyncHooks

PR-URL: #48566

Author: hybrist

src/env.h

@@ -1015,6 +1015,9 @@ class Environment : public MemoryRetainer {
  uv_async_t task_queues_async_;
  int64_t task_queues_async_refs_ = 0;
 
+ std::atomic_bool is_stopping_{false};
+ std::atomic_bool can_call_into_js_{true};
+
  AsyncHooks async_hooks_;
  ImmediateInfo immediate_info_;
  AliasedInt32Array timeout_info_;
@@ -1092,7 +1095,6 @@ class Environment : public MemoryRetainer {
 
  bool has_serialized_options_ = false;
 
- std::atomic_bool can_call_into_js_ { true };
  uint64_t flags_;
  uint64_t thread_id_;
  std::unordered_set<worker::Worker*> sub_worker_contexts_;
@@ -1150,8 +1152,6 @@ class Environment : public MemoryRetainer {
  CleanupQueue cleanup_queue_;
  bool started_cleanup_ = false;
 
- std::atomic_bool is_stopping_ { false };
-
  std::unordered_set<int> unmanaged_fds_;
 
  std::function<void(Environment*, ExitCode)> process_exit_handler_{