SYSLIB1096 fails with AD0001 hundreds of times in VS codebase

[AArnott]

Version Used: Dev18.0 Insiders (11012.10.main)

Steps to Reproduce:

1. Clone the VS repo.
2. git checkout f26718d5ace6f369f61a05895482bbb380d52aaf~
3. Open the solution at .\src\env\shell\UIInternal\UIInternal.slnx

Diagnostic Id: AD0001 (SYSLIB1096)

If this is a report about a bug in an analyzer, please include the diagnostic ID and message if possible (e.g. "IDE0030: Use coalesce expression").

Expected Behavior:

No analyzer unhandled exceptions.

Actual Behavior:

Analyzer 'Microsoft.Interop.Analyzers.ConvertComImportToGeneratedComInterfaceAnalyzer' threw an exception of type 'System.InvalidCastException' with message 'Unable to cast object of type 'Microsoft.CodeAnalysis.CSharp.Syntax.AccessorDeclarationSyntax' to type 'Microsoft.CodeAnalysis.CSharp.Syntax.MethodDeclarationSyntax'.'.
Exception occurred with following context:
Compilation: Microsoft.VisualStudio.Interop
ISymbol: IVsAsyncSaveResult (NamedType)
 
System.InvalidCastException: Unable to cast object of type 'Microsoft.CodeAnalysis.CSharp.Syntax.AccessorDeclarationSyntax' to type 'Microsoft.CodeAnalysis.CSharp.Syntax.MethodDeclarationSyntax'.
   at Microsoft.Interop.Analyzers.ConvertComImportToGeneratedComInterfaceAnalyzer.<>c__DisplayClass3_0.<Initialize>b__2(SymbolAnalysisContext context)
   at Microsoft.CodeAnalysis.Diagnostics.AnalyzerExecutor.ExecuteAndCatchIfThrows_NoLock[TArg](DiagnosticAnalyzer analyzer, Action`1 analyze, TArg argument, Nullable`1 info, CancellationToken cancellationToken)
-----
 
Suppress the following diagnostics to disable this analyzer: SYSLIB1096

[jasonmalinowski]

Looks like this was fixed by @jkoritzinsky in #119375. I'll let him confirm that and close it out.

[CyrusNajmabadi]

Preemptively closing out. If that's not ok, feel free to reactivate :)