Make type guard function types invariant in the type guarded for.#27686

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mattmccutchen wants to merge 4 commits intomicrosoft:masterfrom mattmccutchen:issue-26981

+281-230

Commits on Feb 10, 2019

Make type guard function types invariant in the type guarded for.
mattmccutchen
committed

Commits on Mar 13, 2019

Commits on Mar 16, 2019

Fix thisPredicateFunction{Completions,QuickInfo}02 tests.
mattmccutchen
committed