Promise rethrow inside catch

gistfile1.txt

function rethrowTest() {
    Promise.resolve(true).then(function() {
        return new Promise(function(resolve, reject) {
            reject(new Error('BOOM!'));
        }).catch(function(err) {
            console.error('First catch: ' + err);
            throw err;
        });
    }).then(function() {
        console.log('I should not be printed');
    }).catch(function(err) {
        console.error('Catch-all: ' + err);
    });
};