1 // { dg-do compile }
2 // { dg-options "-Wunused -W" }
3
4 long
f1(unsigned long long x)5 f1 (unsigned long long x)
6 {
7 unsigned long long a = 1;
8 const union { unsigned long long l; unsigned int p[2]; } b = { x };
9 const union { unsigned long long l; unsigned int p[2]; } c = { a };
10 return b.p[0] + c.p[0];
11 }
12
13 int
f2(int x,int y)14 f2 (int x, int y)
15 {
16 int a = 1;
17 int b[] = { 1, 2, x, a, 3, 4 };
18 return b[y];
19 }
20
21 int
f3(int a)22 f3 (int a) // { dg-warning "unused parameter" }
23 {
24 return 0;
25 }
26
27 int
f4(int a)28 f4 (int a) // { dg-warning "set but not used" }
29 {
30 a = 1;
31 return 0;
32 }
33
34 int
f5(int a)35 f5 (int a)
36 {
37 a = 1;
38 return a;
39 }
40
41 int
f6(int & a)42 f6 (int &a)
43 {
44 return a;
45 }
46
47 void
f7(int & a)48 f7 (int &a)
49 {
50 a = 1;
51 }
52
53 struct S
54 {
SS55 S (int i) : j(i) {}
SS56 S (long i) : j(i + 1) {}
57 int j;
58 };
59