Duplicate walrus comprehension tests to global scope (now failing)

Author: dhood

test-data/unit/check-python38.test

@@ -201,6 +201,10 @@ while b := "x":
 l = [y2 := 1, y2 + 2, y2 + 3]
 reveal_type(y2)  # N: Revealed type is 'builtins.int'
 reveal_type(l)  # N: Revealed type is 'builtins.list[builtins.int*]'
+ 
+filtered_data = [y3 for x in l if (y3 := a) is not None]
+reveal_type(filtered_data)  # N: Revealed type is 'builtins.list[builtins.int*]'
+reveal_type(y3)  # N: Revealed type is 'builtins.int'
 
 d = {'a': (a2 := 1), 'b': a2 + 1, 'c': a2 + 2}
 reveal_type(d)  # N: Revealed type is 'builtins.dict[builtins.str*, builtins.int*]'
@@ -211,6 +215,10 @@ reveal_type(d2)  # N: Revealed type is 'builtins.dict[builtins.str*, builtins.in
 reveal_type(prefix)  # N: Revealed type is 'builtins.str'
 reveal_type(start_val)  # N: Revealed type is 'builtins.int'
 
+filtered_dict = {k: new_v for k, v in [('a', 1), ('b', 2), ('c', 3)] if (new_v := v + 1) == 2}
+reveal_type(filtered_dict)  # N: Revealed type is 'builtins.dict[builtins.str*, builtins.int*]'
+reveal_type(new_v)  # N: Revealed type is 'builtins.int'
+
 def f(x: int = (c := 4)) -> int:
     if a := 2:
         reveal_type(a)  # N: Revealed type is 'builtins.int'