https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80556
--- Comment #5 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- The last successful bootstrap is r247298; r247301 fails as reported in comment 0; r247299 fails for a different reason: /opt/gcc/p_build/./gcc/xgcc -B/opt/gcc/p_build/./gcc/ -B/opt/gcc/gcc8p-247299p1/x86_64-apple-darwin16.5.0/bin/ -B/opt/gcc/gcc8p-247299p1/x86_64-apple-darwin16.5.0/lib/ -isystem /opt/gcc/gcc8p-247299p1/x86_64-apple-darwin16.5.0/include -isystem /opt/gcc/gcc8p-247299p1/x86_64-apple-darwin16.5.0/sys-include -c -g -O2 -fno-common -W -Wall -gnatpg -nostdinc s-excmac.ads -o s-excmac.o cannot generate code for file s-excmac.ads (package spec)