1  /* Test -Wmissing-parameter-type is enabled by -Wextra */
       2  /* { dg-do compile } */
       3  /* { dg-options "-Wextra" } */
       4  
       5  int foo(bar) { return bar;} /* { dg-warning "type of 'bar' defaults to 'int'" } */
       6  
       7