1 /* { dg-do compile } */
2 /* { dg-options "-O -fdump-tree-fre1" } */
3 
4 int x;
foo(int * p)5 int foo (int *p)
6 {
7   x = 0;
8   if (x)
9     *p = 1;
10   return x;
11 }
12 
13 /* The final load of x should be replaced as well as the
14    aliasing store via *p is not reachable.  */
15 
16 /* { dg-final { scan-tree-dump-not "= x;" "fre1" } } */
17