1 // { dg-do compile { target c++11 } } 2 // { dg-options "-w -ftrack-macro-expansion=0" } 3 4 #include <limits.h> 5 extern constexpr int max_s = INT_MAX + 1; // { dg-error "" } 6 extern constexpr unsigned max_u = UINT_MAX + 1u; // OK 7 extern constexpr int abs_s = -INT_MIN; // { dg-error "" } overflows on 2's complement machines 8