[Distributed] Handle composite type in generic bound in distributed accessor #67117
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…ccessor rdar://111664985
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@swift-ci please test |
This was referenced Jul 5, 2023
Merged
ktoso
commented
Jul 5, 2023
| @@ -616,6 +616,8 @@ void DistributedAccessor::emit() { | |||
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| auto params = IGF.collectParameters(); | |||
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| GenericContextScope scope(IGM, targetTy->getInvocationGenericSignature()); | |||
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The fix™ is that this must be made before the IGM getTypeInfo call, otherwise the generic context is not available (null) and we crash.
xedin
approved these changes
Jul 5, 2023
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Thanks for the hint and review folks |
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Description: It seems a distributed accessor's emit fails for
DistributedActor & Somethign, the crash is inIGM.getTypeInfo(directResultTy);because the method does not have access to a generic context; The solution is to provide it earlier during emit rather than later as we did before.See Also: Resolves a FIXME in distributed cluster: https://github.com/apple/swift-distributed-actors/pull/1127/files#diff-7da4ba0dfda5902083a859fdf6d209fb5902d4926b6bee24fa7eee420b84b4e3R231
Risk: Low, only moves the generic scope a few lines earlier, since we use it there already
**Review @xedin @drexin
Testing: CI testing
Radar: rdar://111664985
Resolves: #67090