Report exceptions during the analysis process as errors

Author: sharwell

StyleCop.Analyzers/StyleCopTester/Program.cs

@@ -383,6 +383,9 @@ private static async Task<ImmutableArray<Diagnostic>> GetProjectAnalyzerDiagnost
                 }
             }
 
+            // Report exceptions during the analysis process as errors
+            supportedDiagnosticsSpecificOptions.Add("AD0001", ReportDiagnostic.Error);
+
             // update the project compilation options
             var modifiedSpecificDiagnosticOptions = supportedDiagnosticsSpecificOptions.ToImmutableDictionary().SetItems(project.CompilationOptions.SpecificDiagnosticOptions);
             var modifiedCompilationOptions = project.CompilationOptions.WithSpecificDiagnosticOptions(modifiedSpecificDiagnosticOptions);