gcc/testsuite/c-c++-common/goacc/parallel-dims-1.c

/* Valid use of OpenACC parallelism dimensions clauses: num_gangs, num_workers,
   vector_length.  */

void f(int i)
{
#pragma acc kernels num_gangs(i) num_workers(i) vector_length(i)
  ;

#pragma acc parallel num_gangs(i) num_workers(i) vector_length(i)
  ;
}