1 // PR c/35430 2 // { dg-do compile } 3 // { dg-options "-Wsign-compare" } 4 5 void foo(__complex__ int i)6 foo (__complex__ int i) 7 { 8 i == 0u; 9 i == ~1u; // { dg-warning "comparison of integer expressions of different signedness" } 10 } 11