CA2009 crashes on new int[0].ToImmutableArray() (.NET 8 Preview 1)

[alexrp]

Analyzer

Diagnostic ID: CA2009: Do not call ToImmutableCollection on an ImmutableCollection value

Analyzer source

SDK: Built-in CA analyzers in .NET 5 SDK or later

Version: SDK 8.0.100-preview.1.23115.2

Describe the bug

CA2009 is crashing when calling ToImmutableArray() on an array creation expression.

Steps To Reproduce

$ cat tests.csproj
<Project Sdk="Microsoft.NET.Sdk">
  <PropertyGroup>
    <AnalysisLevel>latest-all</AnalysisLevel>
    <OutputType>Exe</OutputType>
    <TargetFramework>net8.0</TargetFramework>
    <ImplicitUsings>enable</ImplicitUsings>
    <Nullable>enable</Nullable>
  </PropertyGroup>
</Project>
$ cat Program.cs
using System.Collections.Immutable;

var values = new int[0].ToImmutableArray();

Expected behavior

No exception.

Actual behavior

CSC : warning AD0001: Analyzer 'Microsoft.NetCore.Analyzers.ImmutableCollections.DoNotCallToImmutableCollectionOnAnImmutableCollectionValue Analyzer' threw an exception of type 'System.InvalidCastException' with message 'Unable to cast object of type 'Microsoft.CodeAnalysis.CSharp.Symbols.PublicModel.ArrayTypeSymbol' to type 'Microsoft.CodeAnalysis.INamedTypeSymbol'.'.

[alexrp]

@Evangelink can this be closed as of #6476?

[alexrp]

Seems to be fixed.