Crossgen2-compiled System.Private.CoreLib on Windows x86 causes Null ref in library tests #45317
Description
Looks to most be on 32 bit Windows
Seen in #45303 and #45305 and #45292
runtime (Libraries Test Run release coreclr windows x86 Release)
System.Text.Encodings.Web.Tests.UnicodeHelpersTests.GetUtf8RepresentationForScalarValue
Error message
System.ArgumentNullException : Value cannot be null. (Parameter 'type')
Stack trace
at System.Reflection.IntrospectionExtensions.GetTypeInfo(Type type) in /_/src/libraries/System.Private.CoreLib/src/System/Reflection/IntrospectionExtensions.cs:line 11
at System.Linq.Enumerable.SelectArrayIterator`2.MoveNext() in /_/src/libraries/System.Linq/src/System/Linq/Select.cs:line 186
at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext() in /_/src/libraries/System.Linq/src/System/Linq/Where.cs:line 391
at System.Linq.Enumerable.Contains[TSource](IEnumerable`1 source, TSource value, IEqualityComparer`1 comparer) in /_/src/libraries/System.Linq/src/System/Linq/Contains.cs:line 23
at System.Linq.Enumerable.Contains[TSource](IEnumerable`1 source, TSource value) in /_/src/libraries/System.Linq/src/System/Linq/Contains.cs:line 11
at System.Text.Encodings.Web.Tests.UnicodeHelpersTests.GetUtf8RepresentationForScalarValue() in /_/src/libraries/System.Text.Encodings.Web/tests/UnicodeHelpersTests.cs:line 107
Also
#45310; again on (Libraries Test Run release coreclr windows x86 Release)
C:\h\w\A748094D\w\9B3408E2\e>"C:\h\w\A748094D\p\dotnet.exe" exec --runtimeconfig System.Text.Encodings.Web.Tests.runtimeconfig.json --depsfile System.Text.Encodings.Web.Tests.deps.json xunit.console.dll System.Text.Encodings.Web.Tests.dll -xml testResults.xml -nologo -nocolor -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing
Discovering: System.Text.Encodings.Web.Tests (method display = ClassAndMethod, method display options = None)
Discovered: System.Text.Encodings.Web.Tests (found 181 test cases)
Starting: System.Text.Encodings.Web.Tests (parallel test collections = on, max threads = 2)
Fatal error. 0xC0000005
at System.Runtime.CompilerServices.CastHelpers.IsInstanceOfInterface(Void*, System.Object)
at System.Reflection.IntrospectionExtensions.GetTypeInfo(System.Type)
at Xunit.Sdk.AssertEqualityComparer`1+<>c[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].<IsSet>b__10_0(System.Type)
at System.Linq.Enumerable+SelectArrayIterator`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].MoveNext()
at System.Linq.Enumerable+WhereSelectEnumerableIterator`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].MoveNext()
at System.Linq.Enumerable.Contains[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](System.Collections.Generic.IEnumerable`1<System.__Canon>, System.__Canon, System.Collections.Generic.IEqualityComparer`1<System.__Canon>)
at System.Linq.Enumerable.Contains[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](System.Collections.Generic.IEnumerable`1<System.__Canon>, System.__Canon)
at Xunit.Sdk.AssertEqualityComparer`1[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].IsSet(System.Reflection.TypeInfo)
at Xunit.Sdk.AssertEqualityComparer`1[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].CheckIfSetsAreEqual(System.__Canon, System.__Canon, System.Reflection.TypeInfo)
at Xunit.Sdk.AssertEqualityComparer`1[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Equals(System.__Canon, System.__Canon)
at Xunit.Assert.Equal[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](System.__Canon, System.__Canon, System.Collections.Generic.IEqualityComparer`1<System.__Canon>)
at Xunit.Assert.Equal[[System.Byte, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](System.Collections.Generic.IEnumerable`1<Byte>, System.Collections.Generic.IEnumerable`1<Byte>)
at System.Text.Encodings.Web.Tests.UnicodeHelpersTests.GetUtf8RepresentationForScalarValue()
...