https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80626
--- Comment #2 from Steven Noonan <steven at uplinklabs dot net> --- It looks like this is just the first of several files with that build issue. If I build with 'make -k' I see several others fail with the same warning, e.g.: /home/steven/gcc-multilib/src/gcc-build/./gcc/xgcc -B/home/steven/gcc-multilib/src/gcc-build/./gcc/ -B/usr/x86_64-pc-linux-gnu/bin/ -B/usr/x86_64-pc-linux-gnu/lib/ -isystem /usr/x86_64-pc-linux-gnu/include -isystem /usr/x86_64-pc-linux-gnu/sys-include -c -g -O2 -mx32 -fpic -W -Wall -gnatpg -nostdinc -mx32 g-allein.ads -o g-allein.o g-allein.ads:183:04: warning: types for unchecked conversion have different sizes g-allein.ads:185:04: warning: types for unchecked conversion have different sizes g-allein.ads:187:04: warning: types for unchecked conversion have different sizes g-allein.ads:189:04: warning: types for unchecked conversion have different sizes g-allein.ads:191:04: warning: types for unchecked conversion have different sizes [... many more in the same file ...] /home/steven/gcc-multilib/src/gcc-build/./gcc/xgcc -B/home/steven/gcc-multilib/src/gcc-build/./gcc/ -B/usr/x86_64-pc-linux-gnu/bin/ -B/usr/x86_64-pc-linux-gnu/lib/ -isystem /usr/x86_64-pc-linux-gnu/include -isystem /usr/x86_64-pc-linux-gnu/sys-include -c -g -O2 -mx32 -fpic -W -Wall -gnatpg -nostdinc -mx32 s-wwdenu.adb -o s-wwdenu.o s-wwdenu.adb:55:07: warning: types for unchecked conversion have different sizes s-wwdenu.adb:94:07: warning: types for unchecked conversion have different sizes s-wwdenu.adb:133:07: warning: types for unchecked conversion have different sizes s-wwdenu.adb:172:07: warning: types for unchecked conversion have different sizes s-wwdenu.adb:211:07: warning: types for unchecked conversion have different sizes s-wwdenu.adb:250:07: warning: types for unchecked conversion have different sizes And several files fail with a different warning: /home/steven/gcc-multilib/src/gcc-build/./gcc/xgcc -B/home/steven/gcc-multilib/src/gcc-build/./gcc/ -B/usr/x86_64-pc-linux-gnu/bin/ -B/usr/x86_64-pc-linux-gnu/lib/ -isystem /usr/x86_64-pc-linux-gnu/include -isystem /usr/x86_64-pc-linux-gnu/sys-include -c -g -O2 -mx32 -fpic -W -Wall -gnatpg -nostdinc -mx32 a-dispat.adb -o a-dispat.o s-osinte.ads:608:07: size for "Address" too small, minimum allowed is 64 make[9]: *** [../gcc-interface/Makefile:296: a-dispat.o] Error 1 /home/steven/gcc-multilib/src/gcc-build/./gcc/xgcc -B/home/steven/gcc-multilib/src/gcc-build/./gcc/ -B/usr/x86_64-pc-linux-gnu/bin/ -B/usr/x86_64-pc-linux-gnu/lib/ -isystem /usr/x86_64-pc-linux-gnu/include -isystem /usr/x86_64-pc-linux-gnu/sys-include -c -g -O2 -mx32 -fpic -W -Wall -gnatpg -nostdinc -mx32 a-dynpri.adb -o a-dynpri.o s-osinte.ads:608:07: size for "Address" too small, minimum allowed is 64 make[9]: *** [../gcc-interface/Makefile:296: a-dynpri.o] Error 1 /home/steven/gcc-multilib/src/gcc-build/./gcc/xgcc -B/home/steven/gcc-multilib/src/gcc-build/./gcc/ -B/usr/x86_64-pc-linux-gnu/bin/ -B/usr/x86_64-pc-linux-gnu/lib/ -isystem /usr/x86_64-pc-linux-gnu/include -isystem /usr/x86_64-pc-linux-gnu/sys-include -c -g -O2 -mx32 -fpic -W -Wall -gnatpg -nostdinc -mx32 a-interr.adb -o a-interr.o s-osinte.ads:608:07: size for "Address" too small, minimum allowed is 64 make[9]: *** [../gcc-interface/Makefile:296: a-interr.o] Error 1
