1  /* PR c/56724 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-Wc++-compat -Wpedantic" } */
       4  
       5  enum E1 { A };
       6  enum E2 { B };
       7  extern void foo_E (enum E1);
       8  extern void foo_v (void *p);
       9  extern void foo_sc (int, int, signed char *);
      10  extern unsigned char *uc;
      11  extern signed char sc;
      12  extern const signed char *csc;
      13  extern float *f;
      14  
      15  void
      16  foo (void)
      17  {
      18    void (*fp)(void);
      19    const void (*ffp)(void);
      20    foo_v (fp); /* { dg-warning "10:ISO C forbids passing argument" } */
      21    foo_E (B); /* { dg-warning "10:enum conversion when passing argument" } */
      22    foo_sc (1, 2, uc); /* { dg-warning "17:pointer targets in passing argument" } */
      23    foo_sc (1, 2, f); /* { dg-warning "17:passing argument" } */
      24    foo_sc (1, 2, sc); /* { dg-warning "17:passing argument" } */
      25    foo_sc (uc, 2, &sc); /* { dg-warning "11:passing argument" } */
      26    foo_sc (1, 2, csc); /* { dg-warning "17:passing argument" } */
      27  }
      28  
      29  typedef void (*fp)(void);
      30  typedef void (*nrfp)(void) __attribute__((noreturn));
      31  void f1 (nrfp); void f2 (fp x) { f1 (x); } extern int e; /* { dg-warning "38:passing argument" } */