https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106568
--- Comment #16 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Jeffrey Walton from comment #15) > It looks like -fno-strict-aliasing cleared the crash. This is bad because I > thought we did not violate aliasing rules. > > Let me try to find it. Well since the way -fno-strict-aliasing disables a lot of memory based optimizations, it does not mean there is an aliasing violation. Just the different internal representation is different later on causing other issues.