This is failing in runtime async tests when jitstress is enabled.
05:50:51.187 Running test: _simple_eh::Async2SimpleEH.TestDefinesIntButThrows()
Assert failure(PID 5036 [0x000013ac], Thread: 9432 [0x24d8]): Assertion failed '!"Non IMPORTED block not removed!"' in 'Async2SimpleEH:TestDefinesIntButThrowsAsync():int' during 'Global local var liveness' (IL size 24; hash 0xd98ec393; FullOpts)
File: D:\a\_work\1\s\src\coreclr\jit\fgdiagnostic.cpp:122
Image: C:\h\w\9B860944\p\corerun.exe
App Exit Code: -1073740286
Expected: 100
Actual: -1073740286
END EXECUTION - FAILED
FAILED