[release/9.0] Fix LINQ Last() in ConcatNIterator to also check base case (Concat2Iterator) #108664
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Tagging subscribers to this area: @dotnet/area-system-linq |
eiriktsarpalis
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/ba-g Failures are unrelated and known test issues in networking tests |
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Backport of #108486 to release/9.0
/cc @eiriktsarpalis @andrewjsaid
Customer Impact
Fixes a customer reported regression on the
Enumerable.Last()method that was introduced in .NET 9.Regression
Introduced by 7e1e3e4.
Testing
Added unit testing validating the fix.
Risk
Low. Makes a small and targeted fix to the impacted method.