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/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.  */

/* { dg-do preprocess } */

/* Duplicate command line options should not warn.  */

/* { dg-options "-Wunused-macros -Dfoo -Dfoo" } */

/* Test everything related to -Wunused-macros.

   Source: Neil Booth, 23 Jul 2002.  */

#include "Wunused.h"

#define used1                   /* { dg-bogus "used" } */

#define used2                   /* { dg-bogus "used" } */

#define used3                   /* { dg-bogus "used" } */

#define used4 used4             /* { dg-bogus "used" } */

#define unused5                 /* { dg-warning "used" } */

#define unused6                 /* { dg-warning "used" } */

#define unused7()               /* { dg-warning "used" } */

#if defined used1

#endif

#ifdef used2

#endif

#ifndef used3

#endif

used4

unused7                         /* This does not count as a use.  */

#if 0

unused5                         /* This does not count as a use.  */

#endif

#undef unused5

#define unused6

unused6