code: def test_instance_new(msg):
      instance = (
          m.NoConstructorNew()
      )  # .__new__(m.NoConstructor.__class__)
      cstats = ConstructorStats.get(m.NoConstructorNew)
      assert cstats.alive() == 1
      del instance
      assert cstats.alive() == 0
  
imports: import pytest
  import env
  from pybind11_tests import ConstructorStats, UserType
  from pybind11_tests import class_
label_desc: Use image node_id 4 for calling a global function with example usage: test_instance_new(msg) without return types