aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.8.1/gcc/testsuite/gcc.dg/cpp/trad/Wunused.c
blob: 403d617f5d066978e080a347a7cb4a04c029072f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
/* Copyright (C) 2002 Free Software Foundation, Inc.  */

/* { dg-do preprocess } */
/* { dg-options "-Wunused-macros -traditional-cpp" } */

/* 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 something		/* { 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