1  /* { dg-do compile } */
       2  /* { dg-options "-O3 -Warray-bounds -fdump-tree-cunroll-details" } */
       3  
       4  typedef struct { unsigned data; } s1;
       5  s1 g_x[4];
       6  
       7  extern void foo (s1 *x1, s1 *x2, int a, int b)
       8  {
       9    int i;
      10    for(i = 0; i < a; i++)
      11      if(i == b)
      12        g_x[i] = *x1;
      13      else
      14        g_x[i] = *x2;
      15  }
      16  
      17  /* { dg-final { scan-tree-dump "Loop 1 iterates at most 3 times" "cunroll" } } */