https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107861
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Note clang rejects even just: #include <limits.h> #define wrap_inc(x) ((x) + 1 < (x)) constexpr int int_max = INT_MAX; bool b0 = wrap_inc(int_max);