gcc/testsuite/gcc.dg/pr42719.c

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