--- /dev/null
+// { dg-do run }
+
+#include <string.h>
+#include <stdlib.h>
+
+int
+main ()
+{
+ int i, j, k, l = 0;
+ int a[3][3][3];
+
+ memset (a, '\0', sizeof (a));
+ #pragma omp parallel for collapse(4 - 1) schedule(static, 4)
+ for (i = 0; i < 2; i++)
+ for (j = 0; j < 2; j++)
+ for (k = 0; k < 2; k++)
+ a[i][j][k] = i + j * 4 + k * 16;
+ #pragma omp parallel
+ {
+ #pragma omp for collapse(2) reduction(|:l) private (k)
+ for (i = 0; i < 2; i++)
+ for (j = 0; j < 2; j++)
+ for (k = 0; k < 2; k++)
+ if (a[i][j][k] != i + j * 4 + k * 16)
+ l = 1;
+ }
+ if (l)
+ abort ();
+}