🤖 Pick PR #42766 (Avoid getting undefined `callSignat...) into release-4.2 #42950
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Component commits: ed26816 Avoid getting undefined `callSignatures`/`constructSignatures` in `getPropertyOfType` e350c35 (microsoft#40228) introduced a subtle bug: it switched the flags to an alias, dropping `SymbolFlags.Property` --- and that makes `symbolIsValue()` get to the `resolveAlias(symbol)` call, which leads to `getPropertyOfType()` with`resolved.callSignatures`+`constructSignatures` being `undefined`. So initialize them in `setStructuredTypeMembers` before calling `getNamedMembers()`. Fixes microsoft#42350
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This was referenced Mar 6, 2021
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This was referenced Mar 17, 2021
chore(deps-dev): bump typescript from 3.9.9 to 4.2.3 in /deployments
hollanddd/second-rate.website#2
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This cherry-pick was triggered by a request on #42766
Please review the diff and merge if no changes are unexpected.
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cc @andrewbranch