error TS5107: Option 'target=ES5' is deprecated and will stop functioning in TypeScript 7.0. Specify compilerOption '"ignoreDeprecations": "6.0"' to silence this error.
computedPropertyNames8_ES5.ts(5,9): error TS2464: A computed property name must be of type 'string', 'number', 'symbol', or 'any'.


!!! error TS5107: Option 'target=ES5' is deprecated and will stop functioning in TypeScript 7.0. Specify compilerOption '"ignoreDeprecations": "6.0"' to silence this error.
==== computedPropertyNames8_ES5.ts (1 errors) ====
    function f<T, U extends string>() {
        var t!: T;
        var u!: U;
        var v = {
            [t]: 0,
            ~~~
!!! error TS2464: A computed property name must be of type 'string', 'number', 'symbol', or 'any'.
            [u]: 1
        };
    }