Assertion failed 'originalThisExpr->OperGet() == GT_LCL_VAR' #53568

C:\h\w\9C3408FA\w\A25208D1\e>set COMPlus 
COMPlus_JitStress=1
COMPlus_TieredCompilation=0

C:\h\w\9C3408FA\w\A25208D1\e>call RunTests.cmd --runtime-path C:\h\w\9C3408FA\p 
----- start Wed 06/02/2021  0:39:52.86 ===============  To repro directly: ===================================================== 
pushd C:\h\w\9C3408FA\w\A25208D1\e\
"C:\h\w\9C3408FA\p\dotnet.exe" exec --runtimeconfig System.Net.Connections.Tests.runtimeconfig.json --depsfile System.Net.Connections.Tests.deps.json xunit.console.dll System.Net.Connections.Tests.dll -xml testResults.xml -nologo -nocolor -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing 
popd
===========================================================================================================

C:\h\w\9C3408FA\w\A25208D1\e>"C:\h\w\9C3408FA\p\dotnet.exe" exec --runtimeconfig System.Net.Connections.Tests.runtimeconfig.json --depsfile System.Net.Connections.Tests.deps.json xunit.console.dll System.Net.Connections.Tests.dll -xml testResults.xml -nologo -nocolor -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing  
  Discovering: System.Net.Connections.Tests (method display = ClassAndMethod, method display options = None)
  Discovered:  System.Net.Connections.Tests (found 31 of 34 test cases)
  Starting:    System.Net.Connections.Tests (parallel test collections = on, max threads = 4)

Assert failure(PID 3312 [0x00000cf0], Thread: 2756 [0x0ac4]): Assertion failed 'originalThisExpr->OperGet() == GT_LCL_VAR' in '<>c:<InvokeContinuation>b__27_0(System.Object):this' during 'Lowering nodeinfo' (IL size 25)

    File: D:\workspace\_work\1\s\src\coreclr\jit\lower.cpp Line: 3798
    Image: C:\h\w\9C3408FA\p\dotnet.exe

----- end Wed 06/02/2021  0:40:15.13 ----- exit code -1073740286 ----------------------------------------------------------