1  /* Test -Wnested-externs.  */
       2  /* Origin: Joseph Myers <joseph@codesourcery.com> */
       3  /* { dg-do compile } */
       4  /* { dg-options "-Wnested-externs" } */
       5  
       6  int a;
       7  static int b;
       8  extern int c;
       9  void f0(void);
      10  static void f1(void);
      11  
      12  void
      13  g(void)
      14  {
      15    extern int a; /* { dg-warning "nested extern declaration of 'a'" } */
      16    extern int b; /* { dg-warning "nested extern declaration of 'b'" } */
      17    extern int c; /* { dg-warning "nested extern declaration of 'c'" } */
      18    extern int d; /* { dg-warning "nested extern declaration of 'd'" } */
      19    extern void f0(void); /* { dg-warning "nested extern declaration of 'f0'" } */
      20    extern void f1(void); /* { dg-warning "nested extern declaration of 'f1'" } */
      21    extern void f2(void); /* { dg-warning "nested extern declaration of 'f2'" } */
      22  }