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JIT: Assertion failed 'nextNextBlock->bbJumpKind == BBJ_RETURN' #50492

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EgorBo opened this issue Mar 31, 2021 · 0 comments · Fixed by #50806
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JIT: Assertion failed 'nextNextBlock->bbJumpKind == BBJ_RETURN' #50492

EgorBo opened this issue Mar 31, 2021 · 0 comments · Fixed by #50806
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@EgorBo
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area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI
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6.0.0

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@EgorBo
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EgorBo commented Mar 31, 2021

Steps:

Assert failure(PID 20968 [0x000051e8], Thread: 36228 [0x8d84]): Assertion failed 'nextNextBlock->bbJumpKind == BBJ_RETURN' in 'ICSharpCode.Decompiler.TypeSystem.Implementation.NullabilityAnnotatedType:AcceptVisitor(ICSharpCode.Decompiler.TypeSystem.TypeVisitor):ICSharpCode.Decompiler.TypeSystem.IType:this' during 'Morph - Global' (IL size 8)

    File: C:\prj\runtime\src\coreclr\jit\morph.cpp Line: 7737
    Image: C:\prj\runtime\artifacts\bin\coreclr\windows.x64.Checked\CoreRun.exe

Environment variables:

COMPlus_TieredCompilation=1
COMPlus_TC_QuickJitForLoops=1
COMPlus_ReadyToRun=0
COMPlus_ZapDisable=1
COMPlus_TieredPGO=1

Doesn't reproduce with COMPlus_TieredPGO=0.
@EgorBo EgorBo added the area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI label Mar 31, 2021
@EgorBo EgorBo added this to the 6.0.0 milestone Mar 31, 2021
@dotnet-issue-labeler dotnet-issue-labeler bot added the untriaged New issue has not been triaged by the area owner label Mar 31, 2021
@EgorBo EgorBo self-assigned this Mar 31, 2021
@EgorBo EgorBo removed the untriaged New issue has not been triaged by the area owner label Mar 31, 2021
@EgorBo EgorBo mentioned this issue Apr 6, 2021
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@ghost ghost added the in-pr There is an active PR which will close this issue when it is merged label Apr 6, 2021
@ghost ghost removed the in-pr There is an active PR which will close this issue when it is merged label Apr 15, 2021
@EgorBo EgorBo mentioned this issue May 4, 2021
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area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI
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.NET Core CodeGen
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6.0.0
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JIT: Give up on the tail call if there are unexpected blocks after it EgorBo/runtime-1
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