swc/crates/swc_ecma_parser/tests/tsc/superSymbolIndexedAccess2.ts

//@target: ES6

class Foo {
    [Symbol.isConcatSpreadable]() {
        return 0;
    }
}

class Bar extends Foo {
    [Symbol.isConcatSpreadable]() {
        return super[Symbol.isConcatSpreadable]();
    }
}