1 // Make sure unhidding an extern-c still checks it is compatible
2 
3 extern "C" float fabsf (float);  // { dg-message "previous declaration" }
4 
5 namespace Bob
6 {
7   extern "C" float fabsf (float, float); // { dg-error "20:conflicting C language" }
8   extern "C" double fabs (double, double); // { dg-message "previous declaration" }
9 }
10 
11 extern "C" double fabs (double); // { dg-error "19:conflicting C language" }
12