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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [cpp/] [Wunused.c] - Rev 298

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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
 

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