SPMI for Arm64 failing asserting for `argReg == argNode->GetRegNum()`

[tannergooding]

Build Information

Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=643030&view=logs&jobId=80130f07-32fc-5c19-809b-35051dcc5ef5
Build error leg or test failing: SuperPMI replay windows x64 checked

Error Message

Fill the error message using step by step known issues guidance.

{
  "ErrorMessage": "argReg == argNode->GetRegNum()",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=643030
Error message validated: [argReg == argNode->GetRegNum()]
Result validation: ❌ Known issue did not match with the provided build.
Validation performed at: 4/16/2024 2:58:03 PM UTC

Report

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	0	0

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[tannergooding]

This is failing for a number of the legs (any that actually run the SPMI jobs): https://dev.azure.com/dnceng-public/public/_build?definitionId=150&_a=summary

This was likely introduced in #100589 and is probably related to the LoadVector128x4 or related APIs which are relatively new.

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Tagging subscribers to this area: @JulieLeeMSFT, @jakobbotsch
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[AndyAyersMS]

Build analysis seems not to be matching on this... any idea why?