1  /* { dg-do compile } */
       2  /* { dg-options "-Wrestrict" } */
       3  
       4  int foo (char *__restrict buf, const char *__restrict fmt, ...);
       5  
       6  void f(void)
       7  {
       8    char buf[100] = "hello";
       9    foo (buf, "%s-%s", buf, "world"); /*  { dg-warning "passing argument 1 to 'restrict'-qualified parameter aliases with argument 3" } */
      10  }