[syntax-errors] Make duplicate parameter names a semantic error #17131
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−39
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Summary -- Moves `Parser::validate_parameters` to `SemanticSyntaxChecker::duplicate_parameter_name`. Test Plan -- Existing tests, with `## Errors` replaced with `## Semantic Syntax Errors` and an additional case for `lambda` expressions.
ntBre
added
rule
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Status
This is a pretty minor change, but it's breaking a red-knot mdtest, so I think it should stay in draft until these errors are integrated into red-knot.
Summary
Moves
Parser::validate_parameterstoSemanticSyntaxChecker::duplicate_parameter_name.Test Plan
Existing tests, with
## Errorsreplaced with## Semantic Syntax Errors.