gcc/testsuite/gcc.dg/pr56724-2.c

   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" } */