Comment # 5 on bug 56405 from mdrslmr@t-online.de

And the bug still exists when using the top of the
master branch:
    b78b62497f1e5cc64eb924c64e4685fe5d814fd7

I'm not so sure what commits I should start the bisecting with since
8.0 and 9.0 are split. It is not a linear history.