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Assert failure: Compiler optimization assumption invalid: FAILED: pMgr != 0 #70259

@BruceForstall

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@BruceForstall

Pipeline: runtime-coreclr libraries-jitstress
Configs:

  • System.Text.RegularExpressions.Unit.Tests, net7.0-windows-Release-x86-CoreCLR_checked-jitstress1-Windows.10.Amd64.Open
  • System.Text.RegularExpressions.Unit.Tests, net7.0-windows-Release-x86-CoreCLR_checked-jitstress1_tiered-Windows.10.Amd64.Open
  • System.Text.RegularExpressions.Unit.Tests, net7.0-windows-Release-x86-CoreCLR_checked-tailcallstress-Windows.10.Amd64.Open

Also in LibraryImportGenerator.Unit.Tests, same configs.

https://dev.azure.com/dnceng/public/_build/results?buildId=1807559&view=ms.vss-test-web.build-test-results-tab

Looks like a VSD assert.

@dotnet/jit-contrib JIT issue?

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area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMIblocking-clean-ci-optionalBlocking optional rolling runs

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