```
heinrich@berlin:~/mck/jruby$ git bisect good
ed72b695584909e3db384732c85643dcafbe337d is the first bad commit
commit ed72b695584909e3db384732c85643dcafbe337d
Author: kares <self@kares.org>
Date:   Mon Dec 30 14:59:32 2019 +0100

    [refactor] minor - array-list size might be known

:040000 040000 cb5b7ef172547d2b1533113820c9a7f7ece3197e 75adc03e71216bbb4d52dfa353470b3c247a50bf M	core
```