promises successfully catching sync error

function makePromise(doSomething){
    return new Promise(function(resolve, reject){
        doSomething();
        resolve("done");
    });
}

makePromise(function(){
    throw "error";
}).then(function(result){
    console.log('got result', result);
}).catch(function(err){
    console.error('got error', err);
});

Promises unable to catch error on next tick

function makePromise(doSomethingAsync){
    return new Promise(function(resolve, reject){
        doSomethingAsync(resolve);
    });
}

makePromise(function(cb){
    setTimeout(function(){
        throw "error";
    }, 1);
}).then(function(result){
    console.log('got result', result);
}).catch(function(err){
    console.error('caught error', err);
});