1// { dg-do compile } 2// { dg-options "-Wsign-compare" } 3 4enum E { A, B, C }; 5extern void f1(int); 6void 7f2(E v1, E v2) 8{ 9 for (unsigned int i = v1; i <= v2; ++i) 10 f1(i); 11 for (int i = v1; i <= v2; ++i) 12 f1(i); 13} 14