Type avoidance in MT bound inference #22142
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Fixes tests/pos/i18211.scala, where type avoidance would cause `S[? <: Int]` which would otherwise be consider an unreducible wild and lead to Any which isn't <: Int.
lrytz
approved these changes
Dec 5, 2024
| @@ -4633,6 +4633,7 @@ object Types extends TypeUtils { | |||
| */ | |||
| def isUnreducibleWild(using Context): Boolean = | |||
| tycon.isLambdaSub && hasWildcardArg && !isMatchAlias | |||
| && !(args.sizeIs == 1 && defn.isCompiletime_S(tycon.typeSymbol)) // S is a pseudo Match Alias | |||
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compiletime.ops.S is intrinsic right? Maybe we could alter symbol / type somehow (in definitions?) to make isMatchAlias true?
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Yeah, there's an argument for that, but I didn't feel like pushing my luck today attempting that..
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Fixes #21256