1  /* PR tree-optimization/85063 */
       2  /* { dg-additional-options "-ftree-switch-conversion" } */
       3  
       4  #include <stdlib.h>
       5  
       6  #pragma acc routine seq
       7  static int __attribute__((noinline)) foo (int n)
       8  {
       9    switch (n & 3)
      10      {
      11      case 0: return 4;
      12      case 1: return 3;
      13      case 2: return 2;
      14      default:
      15        return 1;
      16      }
      17  }
      18  
      19  int
      20  main (void)
      21  {
      22    int n[1];
      23  
      24    n[0] = 4;
      25  
      26  #pragma acc parallel copy(n)
      27    {
      28      n[0] = foo (n[0]);
      29    }
      30  
      31    if (n[0] != 4)
      32      abort ();
      33  
      34    return 0;
      35  }