1  /* PR tree-optimization/85063 */
       2  /* { dg-additional-options "-ftree-switch-conversion" } */
       3  
       4  #include <stdlib.h>
       5  
       6  int
       7  main (void)
       8  {
       9    int n[1];
      10  
      11    n[0] = 3;
      12  
      13  #pragma acc parallel copy(n)
      14    {
      15      int m = n[0];
      16      switch (m & 3)
      17      {
      18      case 0: m = 4; break;
      19      case 1: m = 3; break;
      20      case 2: m = 2; break;
      21      default:
      22        m = 1; break;
      23      }
      24      n[0] = m;
      25    }
      26  
      27    if (n[0] != 1)
      28      abort ();
      29  
      30    return 0;
      31  }