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Fix type evaluation of generator expressions inside contextually typed list/set literals (#11841) - #11889
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…d list/set literals (microsoft#11841)
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Fixes #11841.
In
getTypeOfListOrSetWithContext,ParseNodeType.Comprehensionentries were dispatched togetTypeOfComprehension(entry, elementContext)without checking!entry.d.isGenerator(unlikegetTypeOfListOrSetInferred, which already checksentry.nodeType === ParseNodeType.Comprehension && !entry.d.isGenerator).When a generator expression such as
(i for i in range(4))appeared as an element inside a contextually typed list or set literal (e.g.v: list[int] = [1, 2, (i for i in range(4))]), it was evaluated as a list comprehension againstelementContext(yieldingint) instead of being evaluated as aGeneratorexpression viagetTypeOfExpression(entry, elementContext).