Backport "Just warn on type ascription on a pattern"#17477

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Kordyjan merged 2 commits intorelease-3.3.0from

May 12, 2023

Commits on May 12, 2023

Raise a warning instead of an error for a type ascription on a pattern other than a variable or a number literal.

prolativ
authored and
Kordyjan
committed
* Preserve the more restrictive syntax for typed patterns in the language specification

prolativ
authored and
Kordyjan
committed