Duy Nguyen <pclouds@xxxxxxxxx> writes: On Tue, Mar 27, 2018 at 12:02 AM, Junio C Hamano <gitster@xxxxxxxxx> wrote: >> >> - connect.c -Werror=implicit-fallthough around die_initial_contact(). > > This I did not expect. But I just looked again and I had this option > explicitly turned off in config.mak! gcc-6.4 and gcc-4.9 do not > complain about this. gcc-7.3 does. What's your compiler/version? gcc (Debian 7.3.0-5) 7.3.0