https://gcc.gnu.org/bugzilla/show_bug.cgi?id=50865
--- Comment #15 from Marc Glisse <glisse at gcc dot gnu.org> --- (In reply to Joost VandeVondele from comment #13) > Shouldn't disabling this be language dependent ? I.e. in Fortran this > transformation is always valid (as integers in conforming programs are > always in the symmetric range). Out of curiosity, does fortran convey this information to the middle-end somehow, maybe assigning a value range to SSA_NAMEs during gimplification?
