https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56365
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org --- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> --- Ok, so let me fix this for GCC 7. It isn't realy "phi merging" but phiopt being confused by our a <= -128 to a < -127 canonicalization.