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
foo(void)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--)	/* { dg-error "invalid controlling predicate" } */
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++)	/* { dg-error "invalid controlling predicate" } */
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--)			/* { dg-error "invalid controlling predicate" } */
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++)	/* { dg-error "invalid controlling predicate" } */
35     ;
36 #pragma omp for
37   for (u = UINT_MAX - 6; u == UINT_MAX; u++)	/* { dg-error "invalid controlling predicate" } */
38     ;
39 }
40