1 /* PR tree-optimization/42719 */
2 /* { dg-do compile } */
3 /* { dg-options "-O2 -ftracer -fcompare-debug" } */
4
5 int *v;
6
7 void
foo(int a)8 foo (int a)
9 {
10 int i, j;
11 for (j = i = a; i != -1; j = i, i = v[i])
12 ;
13 v[j] = v[a];
14 }
15