Alexis Laferrière 7ce86145c8 serialization: recover from missing modules when reading SubstitutionMaps ...

Harden more of the serialization functions to propagate errors for
the caller to handle these errors gracefully. This fixes a crash in
finishNormalConformance when indexing a system module with an
implementation-only import.

rdar://problem/52837313

2019-09-10 10:13:15 -07:00

33 KiB

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