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