Fix #9568: Disallow partially undefined types as byname anchors#9575

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odersky merged 2 commits intoscala:masterfrom

dotty-staging:fix-#9568

Aug 17, 2020

Commits on Aug 17, 2020

Fix #9568: Disallow partially undefined types as byname anchors

odersky
authored and
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Allow type parameters in by-name implicit to be instantiated to Nothing
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