Test failure: JIT/Directed/coverage/oldtests/stfldstatic2_r/stfldstatic2_r.dll

[BruceForstall]

pipeline: runtime-coreclr outerloop
coreclr osx arm64 Checked no_tiered_compilation @ OSX.1200.ARM64.Open
Directed_1 Work Item

https://dev.azure.com/dnceng-public/public/_build/results?buildId=392066&view=ms.vss-test-web.build-test-results-tab&runId=8427280&paneView=debug&resultId=120604

(failure started with runtime-coreclr outerloop 20230831.3)

12:57:21.890 Running test: JIT/Directed/coverage/oldtests/stfldstatic2_r/stfldstatic2_r.dll
Fatal error. System.Runtime.InteropServices.SEHException (0x80004005): External component has thrown an exception.
   at stfldstatic2.Main()
   at Program.<<Main>$>g__TestExecutor171|0_172(System.IO.StreamWriter, System.IO.StreamWriter, <>c__DisplayClass0_0 ByRef)
   at Program.<Main>$(System.String[])
[createdump] Invalid process id: task_for_pid(58591) FAILED (os/kern) failure (5)
[createdump] This failure may be because createdump or the application is not properly signed and entitled.
[createdump] Target process is alive
[createdump] Failure took 0ms
waitpid() returned successfully (wstatus 0000ff00) WEXITSTATUS ff WTERMSIG 0
App Exit Code: 22
Expected: 100
Actual: 22
END EXECUTION - FAILED

Maybe related to #89681 @EgorBo ?

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Issue Details

---

pipeline: runtime-coreclr outerloop
coreclr osx arm64 Checked no_tiered_compilation @ OSX.1200.ARM64.Open
Directed_1 Work Item

https://dev.azure.com/dnceng-public/public/_build/results?buildId=392066&view=ms.vss-test-web.build-test-results-tab&runId=8427280&paneView=debug&resultId=120604

(failure started with runtime-coreclr outerloop 20230831.3)

12:57:21.890 Running test: JIT/Directed/coverage/oldtests/stfldstatic2_r/stfldstatic2_r.dll
Fatal error. System.Runtime.InteropServices.SEHException (0x80004005): External component has thrown an exception.
   at stfldstatic2.Main()
   at Program.<<Main>$>g__TestExecutor171|0_172(System.IO.StreamWriter, System.IO.StreamWriter, <>c__DisplayClass0_0 ByRef)
   at Program.<Main>$(System.String[])
[createdump] Invalid process id: task_for_pid(58591) FAILED (os/kern) failure (5)
[createdump] This failure may be because createdump or the application is not properly signed and entitled.
[createdump] Target process is alive
[createdump] Failure took 0ms
waitpid() returned successfully (wstatus 0000ff00) WEXITSTATUS ff WTERMSIG 0
App Exit Code: 22
Expected: 100
Actual: 22
END EXECUTION - FAILED

Maybe related to #89681 @EgorBo ?

Author:	BruceForstall
Assignees:	-
Labels:	arch-arm64, os-mac-os-x, area-CodeGen-coreclr
Milestone:	9.0.0

[EgorBo]

Yes, seems like ldapur is the culprit, here is the asm diff:

it looks correct to me (x0 is last-use) so most likely the problem is on the encoding side, I'll check and file a fix shortly

[EgorBo]

1D404011          ldapur  s17, [x0, #0x04]