chromium/src/third_party/blink/web_tests/http/tests/devtools/sources/debugger/resources/unformatted-async.js

function f2()
{
    var a=0;var b=1;var c=3;var d=4;var e=5;
    var f=0;setTimeout(f3, 0);
}

function f3()
{
    debugger;
}