https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116682
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Reducing this ... Note what was provided was basically an unincluded version which just happens to be ok in this case but not always. Next time please provide the full preprocessed source and you can compress it (xz, gzip, bzip2, etc.) if it is too big.