[issue40631] PEG Parser: Cannot used starred expression in parenthesised expr

[Lysandros Nikolaou]

Lysandros Nikolaou <lisandrosnik at gmail.com> added the comment:

Yup, this all sounds much more reasonable. Thanks for the explanation, Guido.

> Also the current behavior allows `(*x), y = 1` assignment. If `(*x)` is to be totally disallowed, `(*x), y = 1` should also be rejected.

This is allowed in 3.9.1 and 3.10.0a2, but not allowed in 3.9.0 and 3.10.0a1. I'll work on finding out when this got messed up and fix it.

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