wasm AOT library test failure - System.InvalidOperationException

[mdh1418]

In effort to run library tests with AOT compilation and EnableAggressiveTrimming enabled on CI #48226 these errors are hit.

• System.InvalidOperationException : Failed to compare two elements in the array.
System.Reflection.Metadata.Tests log

EnableAggressiveTrimming related

• System.InvalidOperationException : Sequence contains no matching element
System.Threading.Tasks.Extensions.Tests log

Repro:
Check out changes in
4f17c4e without this, many tests are not discovered.
4e7ab85 this one helps avoid some AOT compilation errors with this exception filter. There shouldn't be exception filter issues anymore.

./build.sh -os Browser -arch wasm -c Release
./dotnet.sh build /t:Test /p:TargetOS=Browser /p:TargetArchitecture=wasm /p:Configuration=Release /p:EnableAggressiveTrimming=true /p:RunAOTCompilation=true src/libraries/<path-to-test-proj>

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Issue Details

---

In effort to run library tests with AOT compilation on CI #46633, there are a number of failures arising from #46651.

Test suite System.Collections.Immutable/tests/System.Collections.Immutable.Tests.csproj fails with

System.InvalidOperationException : Expected one DebuggerDisplayAttribute on System.Collections.Immutable.ImmutableList`1[System.Int32].

system_collections_immutable_fail.txt

Repro:
Check out changes in #46651
./build.sh -os Browser -arch wasm -c Release
Remove

runtime/eng/testing/ILLink.Descriptor.xunit.xml

Lines 15 to 20 in f7f5046

	<!-- Temporary until https://github.com/mono/linker/issues/1713 is resolved -->
	<assembly fullname="Microsoft.DotNet.RemoteExecutor">
	<type fullname="Microsoft.DotNet.RemoteExecutor.Program">
	<method signature="System.Int32 Main(System.String[])" />
	</type>
	</assembly>

Modify

runtime/src/libraries/System.Private.CoreLib/src/System/IO/FileStream.Unix.cs

Line 256 in 9538bee

catch (Exception e) when (IsIoRelatedException(e) && !disposing)

to be an empty catch

catch
{
}

./dotnet.sh build /t:Test /p:TargetOS=Browser /p:TargetArchitecture=wasm /p:Configuration=Release /p:EnableAggressiveTrimming=true /p:RunAOTCompilation=true src/libraries/System.Collections.Immutable/tests/System.Collections.Immutable.Tests.csproj

Author:	mdh1418
Assignees:	-
Labels:	arch-wasm, area-Infrastructure-libraries
Milestone:	-

[radical]

Closing this, as this predates the newer set of aot test issues that are tracked with wasm-aot-test label.