old-autovect-branch/gcc/testsuite/gcc.dg/cpp/trad/Wunused.c

   1 /* Copyright (C) 2002 Free Software Foundation, Inc.  */
   2
   3 /* { dg-do preprocess } */
   4 /* { dg-options "-Wunused-macros -traditional-cpp" } */
   5
   6 /* Test everything related to -Wunused-macros.
   7
   8    Source: Neil Booth, 23 Jul 2002.  */
   9
  10 #include "Wunused.h"
  11
  12 #define used1                   /* { dg-bogus "used" } */
  13 #define used2                   /* { dg-bogus "used" } */
  14 #define used3                   /* { dg-bogus "used" } */
  15 #define used4 something         /* { dg-bogus "used" } */
  16
  17 #define unused5                 /* { dg-warning "used" } */
  18 #define unused6                 /* { dg-warning "used" } */
  19 #define unused7()               /* { dg-warning "used" } */
  20
  21 #if defined used1
  22 #endif
  23 #ifdef used2
  24 #endif
  25 #ifndef used3
  26 #endif
  27 used4
  28
  29 unused7;                        /* This does not count as a use.  */
  30
  31 #if 0
  32 unused5                         /* This does not count as a use.  */
  33 #endif
  34
  35 #undef unused5
  36 #define unused6
  37 unused6