[6.2] [AST] Use ErrorType for invalid value generic parameter #82741
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If we fail to resolve the value type for a value generic parameter, previously we would have returned a null Type, causing crashes downstream. Instead, return an ErrorType, leaving a null Type for cases where the generic parameter isn't a value generic at all. rdar://154856417
hamishknight
added
🍒 release cherry pick
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@swift-ci please test |
bnbarham
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Jul 2, 2025
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6.2 cherry-pick of #82721, minus the last commit