gcc/testsuite/gcc.dg/pr65901.c

   1 /* PR c/65901 */
   2 /* { dg-do compile } */
   3 /* { dg-options "" } */
   4
   5 struct S;
   6 enum E;
   7 union U;
   8
   9 void
  10 foo (__builtin_va_list ap)
  11 {
  12   __builtin_va_arg (ap, void);  /* { dg-error "second argument to .va_arg. is of incomplete type .void." } */
  13   __builtin_va_arg (ap, struct S);  /* { dg-error "second argument to .va_arg. is of incomplete type .struct S." } */
  14   __builtin_va_arg (ap, enum E);  /* { dg-error "second argument to .va_arg. is of incomplete type .enum E." } */
  15   __builtin_va_arg (ap, union U);  /* { dg-error "second argument to .va_arg. is of incomplete type .union U." } */
  16 }