tests/cases/conformance/parser/ecmascript6/Symbols/parserSymbolIndexer3.ts(2,13): error TS1023: An index signature parameter type must be 'string' or 'number'.


==== tests/cases/conformance/parser/ecmascript6/Symbols/parserSymbolIndexer3.ts (1 errors) ====
    class C {
        static [s: symbol]: string;
                ~
!!! error TS1023: An index signature parameter type must be 'string' or 'number'.
    }