1  /* PR preprocessor/27746 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-fopenmp -Wunknown-pragmas" } */
       4  
       5  #define p		_Pragma ("omp parallel")
       6  #define omp_p		_Pragma ("omp p")
       7  
       8  void bar (void);
       9  
      10  void
      11  foo (void)
      12  {
      13  #pragma omp p		/* { dg-warning "-:ignoring '#pragma omp _Pragma'" } */
      14      bar ();
      15    omp_p			/* { dg-warning "-:ignoring '#pragma omp _Pragma'" } */
      16      bar ();
      17  }
      18  
      19  #define parallel	serial
      20  #define omp_parallel	_Pragma ("omp parallel")
      21  
      22  void
      23  baz (void)
      24  {
      25  #pragma omp parallel	/* { dg-warning "-:ignoring '#pragma omp serial'" } */
      26      bar ();
      27    omp_parallel		/* { dg-warning "-:ignoring '#pragma omp serial'" } */
      28      bar ();
      29  }