According to the homepage[1]:
> Small change in Mori.h for compatibility with gcc_10 (thanks to J.
Puydt) [May 15, 2020].
Disabling the strictoverflow seems to be no longer necessary (I'm
relying on the check phase here).
[1] http://hep.itp.tuwien.ac.at/~kreuzer/CY/CYpalp.html