Comment # 3 on bug 1111572 from Jean Delvare

Bisection points to this upstream commit:

commit 66fdcf0e7c83a1e2eb4db97b9e24f224db656b65
Author: Andreas Gruenbacher
Date:   Tue Jul 19 22:40:40 2016 +0200

    Fix broken git-style patch behavior

I'll open an upstream bug.