Fix #5546: Disallow comparing opaque types under -language:strictEqua…#5624

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dotty-staging:fix-#5546

Dec 17, 2018

Commits on Dec 16, 2018

Fix #5546: Disallow comparing opaque types under -language:strictEquality
odersky
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Commits on Dec 17, 2018

Add to test case
odersky
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