Closed
Description
Description
Seen in two separate PRs on the runtime-coreclr jitstress-isas-avx512
pipeline.
https://dev.azure.com/dnceng-public/public/_build/results?buildId=939955 for #111778
and
https://dev.azure.com/dnceng-public/public/_build/results?buildId=939970 for #111853
Reproduction Steps
View logs for the above CI runs
22:36:26.039 Running test: JIT/Methodical/Boxing/boxunbox/chain_d/chain_d.dll
Fatal error. System.ExecutionEngineException: Illegal instruction: Attempted to execute an instruction code not defined by the processor.
at JitTest_chain_boxunbox_il.Test.Main()
at Program.<<Main>$>g__TestExecutor80|0_81(System.IO.StreamWriter, System.IO.StreamWriter, <>c__DisplayClass0_0 ByRef)
at Program.<Main>$(System.String[])
22:45:42.226 Running test: JIT/Methodical/Boxing/boxunbox/chain_r/chain_r.dll
Fatal error. System.ExecutionEngineException: Illegal instruction: Attempted to execute an instruction code not defined by the processor.
at JitTest_chain_boxunbox_il.Test.Main()
at Program.<<Main>$>g__TestExecutor80|0_81(System.IO.StreamWriter, System.IO.StreamWriter, <>c__DisplayClass0_0 ByRef)
at Program.<Main>$(System.String[])
Expected behavior
No failures
Actual behavior
Illegal Instruction crash
Regression?
No response
Known Workarounds
No response
Configuration
No response
Other information
No response