tests/cases/conformance/statements/for-ofStatements/ES5For-ofTypeCheck7.ts(2,15): error TS2461: Type 'number' is not an array type. ==== tests/cases/conformance/statements/for-ofStatements/ES5For-ofTypeCheck7.ts (1 errors) ==== var union: string | number; for (var v of union) { } ~~~~~ !!! error TS2461: Type 'number' is not an array type.