Report a non-fatal error if we end up with a Document without a path

src/VisualStudio/Core/Def/Implementation/ProjectSystem/VisualStudioWorkspaceImpl.cs

@@ -18,6 +18,7 @@
 using Microsoft.CodeAnalysis.Diagnostics;
 using Microsoft.CodeAnalysis.Editor.Shared.Utilities;
 using Microsoft.CodeAnalysis.Emit;
+using Microsoft.CodeAnalysis.ErrorReporting;
 using Microsoft.CodeAnalysis.Host;
 using Microsoft.CodeAnalysis.Options;
 using Microsoft.CodeAnalysis.PooledObjects;
@@ -1184,7 +1185,7 @@ protected override void ApplyDocumentInfoChanged(DocumentId documentId, Document
 
                 if (document.FilePath == null)
                 {
-                    Debug.Fail("Attempting to change the information of a document without a file path.");
+                    FatalError.ReportWithoutCrash(new Exception("Attempting to change the information of a document without a file path."));
                     return;
                 }