TortoiseGit 2.1 crashes on broken git config or libgit warnings/errors

What steps will reproduce the problem?

1. Have a broken config, like e.g.

    [push]
    default=somethinginvalid

2. Start TortoiseGit

What is the expected output? What do you see instead?

No crash, but a warning for broken config file.

What version of TortoiseGit and Git are you using? On what operating system?

TortoiseGit 2.1