SyntaxError location for *args in class bases is inconsistent #93165
Description
Code snippet:
class C(list[int]): ...On Python 3.9:
>>> class C(list[*a]): ...
File "<stdin>", line 1
class C(list[*a]): ...
^
SyntaxError: invalid syntax
>>> On Python 3.10:
>>> class C(list[*a]): ...
File "<stdin>", line 1
class C(list[*a]): ...
^
SyntaxError: expected ':'
>>>I'd have expected it to point directly at the * in both cases.