2 /* { dg-do compile } */
3 /* { dg-options "-Wunused" } */
8 int a, b, c, d, e, f, g;
16 a; /* { dg-warning "no effect" } */
17 b, 1; /* { dg-warning "no effect" } */
19 (void) d, 1; /* { dg-warning "no effect" } */
20 e, f, 1; /* { dg-warning "no effect" } */
21 (void) g, f, 1; /* { dg-warning "no effect" } */
29 int c; /* { dg-warning "set but not used" } */
47 d, ( a++, b ), c; /* { dg-warning "no effect" } */