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@krwq krwq commented Apr 20, 2022

Contributes to: #67816

Seems there was more asserts in LookupProperty I missed last time because AggressiveInlining which caused the stack trace to skip the correct method name

@krwq krwq requested a review from eiriktsarpalis April 20, 2022 17:32
@ghost ghost assigned krwq Apr 20, 2022
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ghost commented Apr 20, 2022

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Issue Details

Contributes to: #67816

Seems there was more asserts in LookupProperty I missed last time because AggressiveInlining which caused the stack trace to skip the correct method name

Author: krwq
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area-System.Text.Json

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@krwq krwq changed the title Add more diagnostics to LookupProperty flaky tests Add more diagnostics to LookupProperty (more diagnostics to flaky tests) Apr 20, 2022
// No cached item was found. Try the main dictionary which has all of the properties.
Debug.Assert(PropertyCache != null);
#if DEBUG
if (PropertyCache == null)
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IIRC this can only happen during initialization races?

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I think so but I'm not sure how yet, hopefully the DebugInfo will shed some light on the "how"

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krwq commented Apr 21, 2022

The failure System.Text.Json.SourceGeneration.Tests.ReferenceHandlerTests_Metadata_String.ValueTypesShouldNotContainId is not related to the changes I'm making here - it might be another manifestation of same or similar bug (uber issue is here: #67761). I'm merging because this will possibly help us diagnose these kind of issues

@krwq krwq merged commit a4d45b2 into dotnet:main Apr 21, 2022
directhex pushed a commit to directhex/runtime that referenced this pull request Apr 21, 2022
…ts) (dotnet#68281)

* add more diagnostics to LookupProperty flaky tests

* Fix nullability issue on Release build
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