Added type serialization for intersection types

src/compiler/emitter.ts

@@ -4878,6 +4878,7 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, Promi
                     case SyntaxKind.TypeQuery:
                     case SyntaxKind.TypeLiteral:
                     case SyntaxKind.UnionType:
+                    case SyntaxKind.IntersectionType:
                     case SyntaxKind.AnyKeyword:
                         break;