Assertion failed 'block->countOfInEdges() > 0'

[BruceForstall]

Failure in JitStress=2

https://dev.azure.com/dnceng-public/public/_build/results?buildId=140690&view=ms.vss-test-web.build-test-results-tab&runId=3051940&resultId=122488&paneView=dotnet-dnceng.dnceng-build-release-tasks.helix-test-information-tab

Assert failure(PID 10548 [0x00002934], Thread: 10548 [0x2934]): Assertion failed 'block->countOfInEdges() > 0' in 'Test_switch7:Main():int' during 'Unroll loops' (IL size 67; hash 0x76ce4c50; FullOpts)

    File: /__w/1/s/src/coreclr/jit/fgflow.cpp Line: 340
    Image: /datadisks/disk1/work/A7ED08D2/p/corerun

Probably due to #80625

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Issue Details

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Failure in JitStress=2

https://dev.azure.com/dnceng-public/public/_build/results?buildId=140690&view=ms.vss-test-web.build-test-results-tab&runId=3051940&resultId=122488&paneView=dotnet-dnceng.dnceng-build-release-tasks.helix-test-information-tab

Assert failure(PID 10548 [0x00002934], Thread: 10548 [0x2934]): Assertion failed 'block->countOfInEdges() > 0' in 'Test_switch7:Main():int' during 'Unroll loops' (IL size 67; hash 0x76ce4c50; FullOpts)

    File: /__w/1/s/src/coreclr/jit/fgflow.cpp Line: 340
    Image: /datadisks/disk1/work/A7ED08D2/p/corerun

Probably due to #80625

Author:	BruceForstall
Assignees:	AndyAyersMS
Labels:	JitStress, area-CodeGen-coreclr
Milestone:	8.0.0