gcc/testsuite/c-c++-common/builtin-clear-padding-1.c

   1 /* PR libstdc++/88101 */
   2 /* { dg-do compile } */
   3
   4 struct S;
   5 struct T { char a; long long b; };
   6
   7 void
   8 foo (struct S *p, void *q, char *r, const struct T *s)
   9 {
  10   __builtin_clear_padding ();           /* { dg-error "too few arguments to function '__builtin_clear_padding'" } */
  11   __builtin_clear_padding (1);          /* { dg-error "argument 1 in call to function '__builtin_clear_padding' does not have pointer type" } */
  12   __builtin_clear_padding (&p);
  13   __builtin_clear_padding (&p, 1);      /* { dg-error "too many arguments to function '__builtin_clear_padding'" } */
  14   __builtin_clear_padding (&p, &p);     /* { dg-error "too many arguments to function '__builtin_clear_padding'" } */
  15   __builtin_clear_padding (p);          /* { dg-error "argument 1 in call to function '__builtin_clear_padding' points to incomplete type" } */
  16   __builtin_clear_padding (q);          /* { dg-error "argument 1 in call to function '__builtin_clear_padding' points to incomplete type" } */
  17   __builtin_clear_padding (r);
  18   __builtin_clear_padding (s);          /* { dg-error "argument 1 in call to function '__builtin_clear_padding' has pointer to 'const' type" } */
  19 }