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Diffstat (limited to 'gcc/testsuite/gcc.dg/cpp/trad/Wunused.c')
-rw-r--r--gcc/testsuite/gcc.dg/cpp/trad/Wunused.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/cpp/trad/Wunused.c b/gcc/testsuite/gcc.dg/cpp/trad/Wunused.c
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+++ b/gcc/testsuite/gcc.dg/cpp/trad/Wunused.c
@@ -0,0 +1,37 @@
+/* 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