error TS5107: Option 'target=ES5' is deprecated and will stop functioning in TypeScript 7.0. Specify compilerOption '"ignoreDeprecations": "6.0"' to silence this error.
asyncArrowFunction8_es5.ts(2,19): error TS1109: Expression expected.


!!! error TS5107: Option 'target=ES5' is deprecated and will stop functioning in TypeScript 7.0. Specify compilerOption '"ignoreDeprecations": "6.0"' to silence this error.
==== asyncArrowFunction8_es5.ts (1 errors) ====
    var foo = async (): Promise<void> => {
      var v = { [await]: foo }
                      ~
!!! error TS1109: Expression expected.
    }