1  /* PR c/39495 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-fopenmp" } */
       4  
       5  #define INT_MIN (-__INT_MAX__ - 1)
       6  #define INT_MAX __INT_MAX__
       7  #define UINT_MAX (2U * __INT_MAX__ + 1)
       8  
       9  int
      10  foo (void)
      11  {
      12    int i;
      13    unsigned int u;
      14  
      15  #pragma omp for
      16    for (i = INT_MIN + 6; i != INT_MIN; i--)
      17      ;
      18  #pragma omp for
      19    for (i = INT_MIN + 6; i == INT_MIN; i--)	/* { dg-error "invalid controlling predicate" } */
      20      ;
      21  #pragma omp for
      22    for (i = INT_MAX - 6; i != INT_MAX; i++)
      23      ;
      24  #pragma omp for
      25    for (i = INT_MAX - 6; i == INT_MAX; i++)	/* { dg-error "invalid controlling predicate" } */
      26      ;
      27  #pragma omp for
      28    for (u = 6; u != 0; u--)
      29      ;
      30  #pragma omp for
      31    for (u = 6; u == 0; u--)			/* { dg-error "invalid controlling predicate" } */
      32      ;
      33  #pragma omp for
      34    for (u = UINT_MAX - 6; u != UINT_MAX; u++)
      35      ;
      36  #pragma omp for
      37    for (u = UINT_MAX - 6; u == UINT_MAX; u++)	/* { dg-error "invalid controlling predicate" } */
      38      ;
      39  }