1 /* { dg-do compile } */
2 /* { dg-options "-O -fdump-tree-optimized" } */
3 
4 extern void bar (unsigned int);
5 
6 int
foo(void)7 foo (void)
8 {
9   char buf[1] = { 3 };
10   const char *p = buf;
11   const char **q = &p;
12   unsigned int ch;
13   switch (**q)
14     {
15     case 1:  ch = 5; break;
16     default: ch = 0; break;
17     }
18 
19   bar (ch);
20   return ch;
21 }
22 
23 /* { dg-final { scan-tree-dump "return 0;" "optimized" } } */
24