gcc/testsuite/gcc.dg/gomp/block-3.c

// { dg-do compile }

extern int test(int);
void foo()
{
  int i;

  for (i = 0; i < 10; ++i)
    {
      #pragma omp sections
      {
	continue; // { dg-error "invalid branch to/from OpenMP structured block" }
      }
    }

  #pragma omp sections
    {
    #pragma omp section
      { bad1: ; }
    #pragma omp section
      goto bad1; // { dg-error "invalid branch to/from OpenMP structured block" }
    }

  #pragma omp sections
    {
      goto bad2; // { dg-error "invalid branch to/from OpenMP structured block" }
    }
  bad2:;

  goto bad3; // { dg-error "invalid entry to OpenMP structured block" }
  #pragma omp sections
    {
      bad3: ;
    }

  #pragma omp sections
    {
      {
	goto ok1;
	ok1:;
      }
    #pragma omp section
      for (i = 0; i < 10; ++i)
	if (test(i))
	  break;
	else
	  continue;

    #pragma omp section
      switch (i)
	{
	case 0:
	  break;
	default:
	  test(i);
	}
    }
}