Partial properties: duplicate membersByName before merging accessors
#74969
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dotnet-issue-labeler
bot
added
Area-Compilers
untriaged
cston
commented
Aug 31, 2024
| membersByName = new Dictionary<ReadOnlyMemory<char>, ImmutableArray<Symbol>>(membersByName, ReadOnlyMemoryOfCharComparer.Instance); | ||
| } | ||
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| DuplicateMembersByNameIfCached(ref membersByName); |
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Previously, membersByName was modified in mergeAccessors before duplicating.
RikkiGibson
reviewed
Sep 3, 2024
| membersByName[name] = FixPartialMember(membersByName[name], prevProperty, currentProperty); | ||
| } | ||
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| void mergeAccessors(ref Dictionary<ReadOnlyMemory<char>, ImmutableArray<Symbol>> membersByName, ReadOnlyMemory<char> name, SourcePropertyAccessorSymbol? currentAccessor, SourcePropertyAccessorSymbol? prevAccessor) | ||
| void mergeAccessors(ref Dictionary<ReadOnlyMemory<char>, ImmutableArray<Symbol>> membersByName, SourcePropertyAccessorSymbol? currentAccessor, SourcePropertyAccessorSymbol? prevAccessor) |
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It also seems like this function could take membersByName by value instead.
RikkiGibson
approved these changes
Sep 3, 2024
333fred
approved these changes
Sep 3, 2024
This was referenced Sep 6, 2024
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Duplicate
membersByNamedictionary before modifying inmergeAccessorsif the dictionary is cached.Note, the potential race condition is speculative. I'm not aware of a reported issue, and I have not been able to create a test that hits an issue here.
Relates to test plan #73090