https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65337
--- Comment #7 from Steven Noonan <steven at uplinklabs dot net> --- Tried applying the patch mentioned in comment 6 and doing a build using --with-build-config=bootstrap-lto. Ended with: [...] /build/gcc-multilib/src/gcc-build/./prev-gcc/xgcc -B/build/gcc-multilib/src/gcc-build/./prev-gcc/ -B/usr/x86_64-unknown-linux-gnu/bin / -B/usr/x86_64-unknown-linux-gnu/bin/ -B/usr/x86_64-unknown-linux-gnu/lib/ -isystem /usr/x86_64-unknown-linux-gnu/include -isystem / usr/x86_64-unknown-linux-gnu/sys-include -c -g -O2 -flto=jobserver -frandom-seed=1 -gnatpg -W -Wall -nostdinc -I- -I. -Iada/gene rated -Iada -I/build/gcc-multilib/src/gcc-5-20150602/gcc/ada -I/build/gcc-multilib/src/gcc-5-20150602/gcc/ada/gcc-interface /build/gc c-multilib/src/gcc-5-20150602/gcc/ada/comperr.adb -o ada/comperr.o [...] raised STORAGE_ERROR : stack overflow or erroneous memory access /build/gcc-multilib/src/gcc-5-20150602/gcc/ada/gcc-interface/Make-lang.in:119: recipe for target 'ada/comperr.o' failed Ideas?