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dotnet / runtime Public

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JIT: RBO can now infer nested isinst outcomes from class relationships - #130204

#130204

Closed

AndyAyersMS wants to merge 5 commits into

dotnet:maindotnet/runtime:mainfrom

AndyAyersMS:andyayersms/fix-97581AndyAyersMS/runtime:andyayersms/fix-97581Copy head branch name to clipboard

Conversation Commits5 (5)Checks Files changed

Closed

JIT: RBO can now infer nested isinst outcomes from class relationships#130204
AndyAyersMS wants to merge 5 commits into
dotnet:mainfrom
AndyAyersMS:andyayersms/fix-97581

Commits

Commits on Jul 4, 2026

JIT: RBO can now infer nested isinst outcomes from class relationships

AndyAyersMS
and
Copilot
committed
Restrict MustNot inference to non-interface tree targets
AndyAyersMS
committed
JIT: don't apply MustNot type-check inference when treeCls derives from domCls
AndyAyersMS
committed

Commits on Jul 5, 2026

JIT: extend RBO type-check inference to false-implies-false pattern
AndyAyersMS
committed
Add exact repro from issue #97581 to Runtime_97581 regression test
AndyAyersMS
committed

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