tests/cases/compiler/duplicateIdentifierComputedName.ts(2,5): error TS2300: Duplicate identifier '["a"]'.
tests/cases/compiler/duplicateIdentifierComputedName.ts(3,5): error TS2300: Duplicate identifier '["a"]'.


==== tests/cases/compiler/duplicateIdentifierComputedName.ts (2 errors) ====
    class C {
        ["a"]: string;
        ~~~~~
!!! error TS2300: Duplicate identifier '["a"]'.
        ["a"]: string;
        ~~~~~
!!! error TS2300: Duplicate identifier '["a"]'.
    }
    