https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120006
--- Comment #7 from Sam James <sjames at gcc dot gnu.org> --- Created attachment 61247 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61247&action=edit fsck.i.xz Reduced (but could do with more) testcase attached. $ gcc fsck.c -o fsck -save-temps -O2 -fsigned-char && ./fsck -V /boot -a # ok $ gcc fsck.c -o fsck -save-temps -O2 -fsigned-char -fipa-pta && ./fsck -V /boot -a # abort
