[Efficiency Improver] perf: eliminate LINQ closure allocations in TreeNodeFilter #8035
Azure Pipelines / microsoft.testfx (Build Windows Release)
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May 5, 2026 in 9m 12s
Build Windows Release failed
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azure-pipelines / microsoft.testfx (Build Windows Release)
src\Platform\Microsoft.Testing.Platform\Requests\TreeNodeFilter\TreeNodeFilter.cs#L564
src\Platform\Microsoft.Testing.Platform\Requests\TreeNodeFilter\TreeNodeFilter.cs(564,9): error CS0246: (NETCORE_ENGINEERING_TELEMETRY=Build) The type or namespace name 'ReadOnlySpan<>' could not be found (are you missing a using directive or an assembly reference?)
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azure-pipelines / microsoft.testfx (Build Windows Release)
Build log #L9
Publishing build artifacts failed with an error: Not found PathtoPublish: D:\a\_work\1\s\artifacts\TestResults\Release
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