1 // PR c++/23608 2 // { dg-options "-Wsign-compare" } 3 4 #define FIVE 5 5 main()6 int main() 7 { 8 int i = 5; 9 int const ic = 5; 10 11 i < 5u; // { dg-warning "5:comparison between signed and unsigned" } 12 ic < 5u; 13 FIVE < 5u; 14 } 15