https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69769
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED Target Milestone|--- |9.0 --- Comment #8 from Jonathan Wakely <redi at gcc dot gnu.org> --- The C++17 standard says that arithmetic on atomic pointer types is ill-formed, so libstdc++ now enforces that for C++17 and later.