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Nullness : downcasting should understand nullness information #17961

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Nullness : downcasting should understand nullness information #17961

Merge branch 'main' into 17532-nullness-issue---downcasting-should-pr…
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Azure Pipelines / fsharp-ci (Build WindowsLangVersionPreview) failed Nov 6, 2024 in 8m 38s

Build WindowsLangVersionPreview failed

27 errors / 0 warnings

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Check failure on line 9 in Build log

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@azure-pipelines azure-pipelines / fsharp-ci (Build WindowsLangVersionPreview)

Build log #L9 

Publishing build artifacts failed with an error: Not found PathtoPublish: D:\a\_work\1\s\artifacts\log\$(_configuration)

Check failure on line 671 in src\Compiler\Utilities\TaggedCollections.fs

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@azure-pipelines azure-pipelines / fsharp-ci (Build WindowsLangVersionPreview)

src\Compiler\Utilities\TaggedCollections.fs#L671 

src\Compiler\Utilities\TaggedCollections.fs(671,50): error FS3264: (NETCORE_ENGINEERING_TELEMETRY=Build) Nullness warning: Downcasting from 'obj | null' into 'Set<'T,'ComparerTag>' can introduce unexpected null values. Cast to 'Set<'T,'ComparerTag>|null' instead or handle the null before downcasting.

Check failure on line 1254 in src\Compiler\Utilities\TaggedCollections.fs

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@azure-pipelines azure-pipelines / fsharp-ci (Build WindowsLangVersionPreview)

src\Compiler\Utilities\TaggedCollections.fs#L1254 

src\Compiler\Utilities\TaggedCollections.fs(1254,18): error FS3264: (NETCORE_ENGINEERING_TELEMETRY=Build) Nullness warning: Downcasting from 'obj | null' into 'Map<'Key,'T,'ComparerTag>' can introduce unexpected null values. Cast to 'Map<'Key,'T,'ComparerTag>|null' instead or handle the null before downcasting.

Check failure on line 484 in src\Compiler\AbstractIL\il.fs

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@azure-pipelines azure-pipelines / fsharp-ci (Build WindowsLangVersionPreview)

src\Compiler\AbstractIL\il.fs#L484 

src\Compiler\AbstractIL\il.fs(484,11): error FS3264: (NETCORE_ENGINEERING_TELEMETRY=Build) Nullness warning: Downcasting from 'obj | null' into 'ILAssemblyRef' can introduce unexpected null values. Cast to 'ILAssemblyRef|null' instead or handle the null before downcasting.

Check failure on line 488 in src\Compiler\AbstractIL\il.fs

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@azure-pipelines azure-pipelines / fsharp-ci (Build WindowsLangVersionPreview)

src\Compiler\AbstractIL\il.fs#L488 

src\Compiler\AbstractIL\il.fs(488,22): error FS3264: (NETCORE_ENGINEERING_TELEMETRY=Build) Nullness warning: Downcasting from 'obj | null' into 'ILAssemblyRef' can introduce unexpected null values. Cast to 'ILAssemblyRef|null' instead or handle the null before downcasting.
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