ExtractDependencies: more robust cycle check #13583
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bishabosha
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Checking for seen types alone wasn't robust enough since the cycle might involve a type`=:=` but not `eq` to a type we've already seen. Fixes scala#13575.
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Checking for seen types alone wasn't robust enough since the cycle might
involve a type
=:=but noteqto a type we've already seen.Fixes #13575.