1 /* { dg-do link } */
2 /* { dg-options "-O2" } */
3
4 /* Based on f3 from vrp63.c, but with switch instead of if-chain. */
5
6 extern void link_error (void);
7
8 void
f3(int s)9 f3 (int s)
10 {
11 if (s >> 3 == -2)
12 /* s in range [ -16, -9]. */
13 ;
14 else
15 {
16 /* s in range ~[-16, -9], so none of the case labels can be taken. */
17 switch (s)
18 {
19 case -16:
20 case -12:
21 case -9:
22 link_error ();
23 break;
24 default:
25 break;
26 }
27 }
28 }
29
30 int
main()31 main ()
32 {
33 return 0;
34 }
35