restore

src/Workspaces/SharedUtilitiesAndExtensions/Compiler/Core/Utilities/SymbolEquivalenceComparer.EquivalenceVisitor.cs

@@ -85,6 +85,8 @@ public bool AreEquivalent(ISymbol x, ISymbol y, Dictionary<INamedTypeSymbol, INa
                             return true;
                         }
                     }
+
+                    return false;
                 }
 
                 return AreEquivalentWorker(x, y, xKind, equivalentTypesWithDifferingAssemblies);