[NFC] Improve Nested Types Table Test#29517
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To guard against the kind of complex failures seen in rdar://58690068, improve this regression test with a copy of a shrunken version of CocoaError.Code. In that radar, CocoaError.Code was defined in one overlay and extended in another translation unit. When deserialization encountered this, it failed to search the overlay's nested type tables and fell through to re-enter lookupDirect.
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@swift-ci please smoke test and merge |
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To guard against the kind of complex failures seen in rdar://58690068,
improve this regression test with a copy of a shrunken version of
CocoaError.Code.
In that radar, CocoaError.Code was defined in one overlay and extended
in another translation unit. When deserialization encountered this, it
failed to search the overlay's nested type tables and fell through to
re-enter lookupDirect.