llvm-gcc-4.2/gcc/testsuite/gcc.dg/gomp/appendix-a/a.34.2.c

/* { dg-do compile } */

void
work (int i, int j)
{
}

void
work1 (int i, int n)
{
  int j;
#pragma omp parallel default(shared)
  {
#pragma omp for
    for (j = 0; j < n; j++)
      work (i, j);
  }
}
void
good_nesting2 (int n)
{
  int i;
#pragma omp parallel default(shared)
  {
#pragma omp for
    for (i = 0; i < n; i++)
      work1 (i, n);
  }
}