swift

cfdf35ff - [IRGen] Fix `SyncCallEmission::emitCallToUnmappedExplosion` crash

[IRGen] Fix `SyncCallEmission::emitCallToUnmappedExplosion` crash We cannot `dyn_cast` directly to `ClassTypeInfo` since it does not implement `classof`, so will succeed for any `ReferenceTypeInfo`. rdar://128735092