Anders Hejlsberg 9458f8acab

Consistent narrowing to 'never' in conditional and switch statements (#39191) ...

* Allow unions and unit types to narrow to 'never'

* Remove odd check for TypeFlags.NotUnionOrUnit

* Accept new baselines

* Accept new API baselines

2020-06-29 15:25:00 -07:00

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baselines/reference

Consistent narrowing to 'never' in conditional and switch statements (#39191)

2020-06-29 15:25:00 -07:00

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