hello
before error
error Error: error
    at foo ([WILDCARD]testdata/async_error.ts:4:11)
    at eval ([WILDCARD]testdata/async_error.ts:6:1)
    at Object.eval [as globalEval] (<anonymous>)
    at execute (/main.js:[WILDCARD])
    at FileModule.compileAndRun (/main.js:[WILDCARD])
    at /main.js:[WILDCARD]
    at /main.js:[WILDCARD]