Assertion failed 'unreached' in 'System.Drawing.Graphics:GetContextInfo(byref,bool,byref):this' during 'Lowering nodeinfo'

[BruceForstall]

random libraries JitStress, win-x64:

https://dev.azure.com/dnceng/public/_build/results?buildId=1950664&view=ms.vss-test-web.build-test-results-tab&runId=50199710&resultId=197871&paneView=dotnet-dnceng.dnceng-build-release-tasks.helix-test-information-tab

C:\h\w\A853099D\w\B1110948\e>set COMPlus 
COMPlus_JitStress=3a8
COMPlus_TieredCompilation=0

C:\h\w\A853099D\w\B1110948\e>call RunTests.cmd --runtime-path C:\h\w\A853099D\p 
----- start Thu 08/18/2022  2:20:28.57 ===============  To repro directly: ===================================================== 
pushd C:\h\w\A853099D\w\B1110948\e\
"C:\h\w\A853099D\p\dotnet.exe" exec --runtimeconfig System.Drawing.Common.Tests.runtimeconfig.json --depsfile System.Drawing.Common.Tests.deps.json xunit.console.dll System.Drawing.Common.Tests.dll -xml testResults.xml -nologo -nocolor -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing 
popd
===========================================================================================================

C:\h\w\A853099D\w\B1110948\e>"C:\h\w\A853099D\p\dotnet.exe" exec --runtimeconfig System.Drawing.Common.Tests.runtimeconfig.json --depsfile System.Drawing.Common.Tests.deps.json xunit.console.dll System.Drawing.Common.Tests.dll -xml testResults.xml -nologo -nocolor -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing  
  Discovering: System.Drawing.Common.Tests (method display = ClassAndMethod, method display options = None)
  Discovered:  System.Drawing.Common.Tests (found 2036 of 2066 test cases)
  Starting:    System.Drawing.Common.Tests (parallel test collections = on, max threads = 4)

Assert failure(PID 5280 [0x000014a0], Thread: 5088 [0x13e0]): Assertion failed 'unreached' in 'System.Drawing.Graphics:GetContextInfo(byref,bool,byref):this' during 'Lowering nodeinfo' (IL size 281; hash 0x8b845afb; FullOpts)

    File: D:\a\_work\1\s\src\coreclr\jit\lower.cpp Line: 3822
    Image: C:\h\w\A853099D\p\dotnet.exe

    System.Drawing.Tests.ImageAnimatorManualTests.AnimateAndCaptureFrames [SKIP]
      Condition(s) not met: "ManualTestsEnabled"

Assert failure(PID 5840 [0x000016d0], Thread: 4596 [0x11f4]): Assertion failed 'unreached' in 'System.Drawing.Graphics:GetContextInfo(byref,bool,byref):this' during 'Lowering nodeinfo' (IL size 281; hash 0x8b845afb; FullOpts)

    File: D:\a\_work\1\s\src\coreclr\jit\lower.cpp Line: 3822
    Image: C:\h\w\A853099D\p\dotnet.exe

@dotnet/jit-contrib Another bug from random JitStress

Tagging subscribers to this area: @JulieLeeMSFT, @jakobbotsch
See info in area-owners.md if you want to be subscribed.

Issue Details

---

random libraries JitStress, win-x64:

https://dev.azure.com/dnceng/public/_build/results?buildId=1950664&view=ms.vss-test-web.build-test-results-tab&runId=50199710&resultId=197871&paneView=dotnet-dnceng.dnceng-build-release-tasks.helix-test-information-tab

C:\h\w\A853099D\w\B1110948\e>set COMPlus 
COMPlus_JitStress=3a8
COMPlus_TieredCompilation=0

C:\h\w\A853099D\w\B1110948\e>call RunTests.cmd --runtime-path C:\h\w\A853099D\p 
----- start Thu 08/18/2022  2:20:28.57 ===============  To repro directly: ===================================================== 
pushd C:\h\w\A853099D\w\B1110948\e\
"C:\h\w\A853099D\p\dotnet.exe" exec --runtimeconfig System.Drawing.Common.Tests.runtimeconfig.json --depsfile System.Drawing.Common.Tests.deps.json xunit.console.dll System.Drawing.Common.Tests.dll -xml testResults.xml -nologo -nocolor -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing 
popd
===========================================================================================================

C:\h\w\A853099D\w\B1110948\e>"C:\h\w\A853099D\p\dotnet.exe" exec --runtimeconfig System.Drawing.Common.Tests.runtimeconfig.json --depsfile System.Drawing.Common.Tests.deps.json xunit.console.dll System.Drawing.Common.Tests.dll -xml testResults.xml -nologo -nocolor -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing  
  Discovering: System.Drawing.Common.Tests (method display = ClassAndMethod, method display options = None)
  Discovered:  System.Drawing.Common.Tests (found 2036 of 2066 test cases)
  Starting:    System.Drawing.Common.Tests (parallel test collections = on, max threads = 4)

Assert failure(PID 5280 [0x000014a0], Thread: 5088 [0x13e0]): Assertion failed 'unreached' in 'System.Drawing.Graphics:GetContextInfo(byref,bool,byref):this' during 'Lowering nodeinfo' (IL size 281; hash 0x8b845afb; FullOpts)

    File: D:\a\_work\1\s\src\coreclr\jit\lower.cpp Line: 3822
    Image: C:\h\w\A853099D\p\dotnet.exe

    System.Drawing.Tests.ImageAnimatorManualTests.AnimateAndCaptureFrames [SKIP]
      Condition(s) not met: "ManualTestsEnabled"

Assert failure(PID 5840 [0x000016d0], Thread: 4596 [0x11f4]): Assertion failed 'unreached' in 'System.Drawing.Graphics:GetContextInfo(byref,bool,byref):this' during 'Lowering nodeinfo' (IL size 281; hash 0x8b845afb; FullOpts)

    File: D:\a\_work\1\s\src\coreclr\jit\lower.cpp Line: 3822
    Image: C:\h\w\A853099D\p\dotnet.exe

@dotnet/jit-contrib Another bug from random JitStress

Author:	BruceForstall
Assignees:	-
Labels:	area-CodeGen-coreclr
Milestone:	7.0.0