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Code in TcErrors was recursively using immSuperClasses, which loops in the presence of UndecidableSuperClasses. Better to use transSuperClasses instead, which has a loop-breaker mechanism built in. Fixes issue #16414.
50249a9f
Code in TcErrors was recursively using immSuperClasses, which loops in the presence of UndecidableSuperClasses. Better to use transSuperClasses instead, which has a loop-breaker mechanism built in. Fixes issue #16414.