Make DeflateStream write out headers and footers on empty streams. #118570

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rzikm wants to merge 6 commits into dotnet:main from rzikm:66449-GZipStream-doesnt-write-anything-to-the-target-stream-when-there-was-no-write-operation

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Make DeflateStream write out headers and footers on empty streams. #118570

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Azure Pipelines / runtime-dev-innerloop (Build windows-x86 release MSBuild_CMake) failed Oct 14, 2025 in 43m 56s

Build windows-x86 release MSBuild_CMake failed

1 errors / 0 warnings

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Check failure on line 707 in src\libraries\System.IO.Compression\src\System\IO\Compression\ZipArchiveEntry.cs

azure-pipelines / runtime-dev-innerloop (Build windows-x86 release MSBuild_CMake)

src\libraries\System.IO.Compression\src\System\IO\Compression\ZipArchiveEntry.cs#L707

src\libraries\System.IO.Compression\src\System\IO\Compression\ZipArchiveEntry.cs(707,15): error SA1028: (NETCORE_ENGINEERING_TELEMETRY=Build) Code should not contain trailing whitespace (https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1028.md)

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