TypeScript BotandNathan Shively-Sanders d9710135fc Cherry-pick PR #42971 into release-4.2 (#42972) ...

Component commits:
9f9825a4f0 Fix: checkAliasSymbol crash when checking for @deprecated
It's possible that we shouldn't be creating symbol with no declarations
from non-homomorphic mapped types, but for 4.2, the right fix is to make
the @deprecated-check in checkAliasSymbol ensure that
target.declarations is defined.

75449de4be Add bug number and accept baselines

Co-authored-by: Nathan Shively-Sanders <nathansa@microsoft.com>

2021-02-25 16:54:58 -08:00

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baselines/reference

Cherry-pick PR #42971 into release-4.2 (#42972)

2021-02-25 16:54:58 -08:00

cases

Cherry-pick PR #42971 into release-4.2 (#42972)

2021-02-25 16:54:58 -08:00

lib

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