https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88710
--- Comment #3 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > For what it's worth, I have compiled the code also with '-Wall' > and '-Warray-bounds' but both these options didn't give any warning. The relevant option is -fcheck=bounds.
