gh-121377: Fix closure with intervening comprehension - #124696

>>> def f(x):
...     def g():
...         [(x, lambda: x) for x in []]
...         def h():
...             print(x)
...         h()
...     g()
...     
>>> f(1)
Traceback (most recent call last):
  File "<python-input-1>", line 1, in <module>
    f(1)
    ~^^^
  File "<python-input-0>", line 7, in f
    g()
    ~^^
  File "<python-input-0>", line 6, in g
    h()
    ~^^
  File "<python-input-0>", line 5, in h
    print(x)
          ^
NameError: cannot access free variable 'x' where it is not associated with a value in enclosing scope

def f(x):
    def g():
        [lambda: x for x in []]
        def h():
            assert x == 1
        h()
    g()
    
f(1)