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Assertion failed 'isGeneralRegister(reg3)' #74117

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Description

@BruceForstall

With:

COMPlus_JitStress=2c
COMPlus_TieredCompilation=0
D:\h\w\AF170944\w\A85C08F8\e>call RunTests.cmd --runtime-path D:\h\w\AF170944\p 
----- start Wed 08/17/2022 16:58:42.37 ===============  To repro directly: ===================================================== 
pushd D:\h\w\AF170944\w\A85C08F8\e\
"D:\h\w\AF170944\p\dotnet.exe" exec --runtimeconfig System.Diagnostics.DiagnosticSource.Tests.runtimeconfig.json --depsfile System.Diagnostics.DiagnosticSource.Tests.deps.json xunit.console.dll System.Diagnostics.DiagnosticSource.Tests.dll -xml testResults.xml -nologo -nocolor -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing 
popd
===========================================================================================================

D:\h\w\AF170944\w\A85C08F8\e>"D:\h\w\AF170944\p\dotnet.exe" exec --runtimeconfig System.Diagnostics.DiagnosticSource.Tests.runtimeconfig.json --depsfile System.Diagnostics.DiagnosticSource.Tests.deps.json xunit.console.dll System.Diagnostics.DiagnosticSource.Tests.dll -xml testResults.xml -nologo -nocolor -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing  
  Discovering: System.Diagnostics.DiagnosticSource.Tests (method display = ClassAndMethod, method display options = None)
  Discovered:  System.Diagnostics.DiagnosticSource.Tests (found 223 of 242 test cases)
  Starting:    System.Diagnostics.DiagnosticSource.Tests (parallel test collections = on, max threads = 8)

Assert failure(PID 10944 [0x00002ac0], Thread: 12260 [0x2fe4]): Assertion failed 'isGeneralRegister(reg3)' in 'System.Diagnostics.ActivityTraceId:SetSpanFromHexChars(System.ReadOnlySpan`1[Char],System.Span`1[Byte])' during 'Generate code' (IL size 57; hash 0xb99cb8f0; FullOpts)

    File: D:\a\_work\1\s\src\coreclr\jit\emitarm64.cpp Line: 6853
    Image: D:\h\w\AF170944\p\dotnet.exe

https://dev.azure.com/dnceng/public/_build/results?buildId=1950188&view=results

@dotnet/jit-contrib A new random JitStress failure

Activity

  1. added this to the 7.0.0 milestone on Aug 18, 2022
  2. ghost added
    in-prThere is an active PR which will close this issue when it is merged
    on Aug 19, 2022
  3. ghost removed
    in-prThere is an active PR which will close this issue when it is merged
    on Sep 5, 2022
  4. ghost added
    in-prThere is an active PR which will close this issue when it is merged
    on Sep 6, 2022
  5. ghost removed
    in-prThere is an active PR which will close this issue when it is merged
    on Sep 7, 2022
  6. ghost locked as resolved and limited conversation to collaborators on Oct 7, 2022
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