1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp/truefalse.C b/gcc/testsuite/g++.dg/cpp/truefalse.C
new file mode 100644
index 000000000..d852d4e2f
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp/truefalse.C
@@ -0,0 +1,17 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.  */
+
+/* Source: Neil Booth, 18 Apr 2003.  */
+
+/* { dg-do preprocess } */
+/* { dg-options "-ansi -pedantic -Wundef" } */
+
+/* Check that for C++ we handle true and false correctly, and do not
+   treat them as undefined identifiers.  */
+
+#if true		/* { dg-bogus "is not defined" } */
+#error foo		/* { dg-error "foo" } */
+#endif
+
+#if false		/* { dg-bogus "is not defined" } */
+#error foo		/* { dg-bogus "foo" } */
+#endif