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/* Test -Wnested-externs.  */

/* Origin: Joseph Myers <joseph@codesourcery.com> */

/* { dg-do compile } */

/* { dg-options "-Wnested-externs" } */

int a;

static int b;

extern int c;

void f0(void);

static void f1(void);

void

g(void)

{

  extern int a; /* { dg-warning "warning: nested extern declaration of 'a'" } */

  extern int b; /* { dg-warning "warning: nested extern declaration of 'b'" } */

  extern int c; /* { dg-warning "warning: nested extern declaration of 'c'" } */

  extern int d; /* { dg-warning "warning: nested extern declaration of 'd'" } */

  extern void f0(void); /* { dg-warning "warning: nested extern declaration of 'f0'" } */

  extern void f1(void); /* { dg-warning "warning: nested extern declaration of 'f1'" } */

  extern void f2(void); /* { dg-warning "warning: nested extern declaration of 'f2'" } */

}