[case testMatchUndefinedSubject]
import typing
match x:
    case _:
        pass
[out]
main:2: error: Name "x" is not defined

[case testMatchUndefinedValuePattern]
import typing
x = 1
match x:
    case a.b:
        pass
[out]
main:4: error: Name "a" is not defined

[case testMatchUndefinedClassPattern]
import typing
x = 1
match x:
    case A():
        pass
[out]
main:4: error: Name "A" is not defined

[case testNoneBindingWildcardPattern]
import typing
x = 1
match x:
    case _:
        _
[out]
main:5: error: Name "_" is not defined

[case testNoneBindingStarredWildcardPattern]
import typing
x = 1
match x:
    case [*_]:
        _
[out]
main:5: error: Name "_" is not defined