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Runtime_134605_Struct test fails with NativeAOT #134746
Description
/datadisks/disk1/work/B6F40978/p/nativeaottest.sh /datadisks/disk1/work/B6F40978/w/A9070925/e/JIT/opt/ObjectStackAllocation/Runtime_134605_Struct/ Runtime_134605_Struct.dll ''
Xunit.Sdk.EqualException: Assert.Equal() Failure: Values differ
Expected: 0
Actual: 80
at Xunit.Assert.Equal[T](T, T, IEqualityComparer`1)
at __GeneratedMainWrapper.Main()
Build Information
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1613643
Build error leg or test failing: JIT/opt/ObjectStackAllocation/Runtime_134605_Struct/Runtime_134605_Struct.cmd
Pull request: #133222
Error Message
DO NOT USE JSON BELOW IF THIS IS A BUILD BREAK otherwise build analysis will allow pull requests to merge that break the build worse. For a build break, do not use this issue form. Make a regular new issue.
Fill the error message using step by step known issues guidance.
{
"ErrorMessage": "",
"ErrorPattern": "Failed test: \\S*Runtime_134605",
"BuildRetry": false,
"ExcludeConsoleLog": false
}Known issue validation
Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1613643
Error message validated: [Runtime_134605_Struct]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 9/27/2026 3:00:13 PM UTC
Report
Summary
| 24-Hour Hit Count | 7-Day Hit Count | 1-Month Count |
|---|---|---|
| 7 | 20 | 20 |
Known issue validation
Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1613643
Error message validated: [Failed test:.*Runtime_134605]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 9/29/2026 12:52:55 PM UTC
Report
Summary
| 24-Hour Hit Count | 7-Day Hit Count | 1-Month Count |
|---|---|---|
| 7 | 20 | 20 |
Known issue validation
Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1613643
Error message validated: [Failed test: \S*Runtime_134605]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 9/29/2026 12:54:26 PM UTC
Report
Summary
| 24-Hour Hit Count | 7-Day Hit Count | 1-Month Count |
|---|---|---|
| 7 | 20 | 20 |
Report
Summary
| 24-Hour Hit Count | 7-Day Hit Count | 1-Month Count |
|---|---|---|
| 7 | 22 | 22 |
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jkotas commentedon Sep 27, 2026
New test introduced in #134658
jkotas commentedon Sep 27, 2026
cc @AndyAyersMS
dotnet-policy-service commentedon Sep 27, 2026
Tagging subscribers to this area: @dotnet/runtime-infrastructure
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dotnet-policy-service commentedon Sep 27, 2026
Tagging subscribers to this area: @JulieLeeMSFT, @jakobbotsch
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dotnet-policy-service commentedon Sep 27, 2026
Tagging subscribers to this area: @dotnet/runtime-infrastructure
See info in area-owners.md if you want to be subscribed.
VincentBu commentedon Sep 28, 2026
Failed in: runtime-coreclr jitstress-isas-x86 20260926.1
Failed tests:
Error message:
Stack trace:
BrzVlad commentedon Sep 28, 2026
Also fails on interpreter pipelines
MichalStrehovsky commentedon Sep 29, 2026
@AndyAyersMS would be nice to do something about this soon, the ErrorMessage pattern is folding unrelated test failures in the JIT/opt tree under this issue. I'm actually not sure how ErrorMessage should look like for a failure like this.
jakobbotsch commentedon Sep 29, 2026
I opened #134861 to fix this since Andy is OOF. Also, I opened #134863 to track actually understanding whether or not we were expecting conditional escape analysis to be happening for NativeAOT in this test (that will have to wait for Andy to be back).