rt_gccstream/libgomp/testsuite/libgomp.c/appendix-a/a.5.1.c

/* { dg-do run } */

#include <omp.h>
int
main ()
{
  omp_set_dynamic (1);
#pragma omp parallel num_threads(10)
  {
    /* do work here */
  }
  return 0;
}