1 files changed, 78 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/cpp/trad/defined.c b/gcc/testsuite/gcc.dg/cpp/trad/defined.c
new file mode 100644
index 000000000..5fa1d93b8
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cpp/trad/defined.c
@@ -0,0 +1,78 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.  */
+
+/* { dg-do preprocess } */
+
+/* Tests tradcpp0 with defined.  The defined operator in traditional C
+   works just the same as the defined operator in Standard C.  */
+
+/* Source: Zack Weinberg, glibc, Neil Booth 11 Dec 2000.  */
+
+#if defined REGPARMS
+#error REGPARMS should not be defined
+#endif
+
+#define REGPARMS 1
+#if !defined REGPARMS
+#error REGPARMS should be defined
+#endif
+
+#define defined			/* { dg-error "defined" } */
+
+/* No diagnostics, though you could argue there should be.  */
+#if defined defined
+#error defined is defined!
+#endif
+
+#define is_Z_defined defined Z
+
+#if defined Z
+#error Z is not defined
+#endif
+
+/* The behavior of "defined" when it comes from a macro expansion is
+   now documented.  */
+#if is_Z_defined
+#error Macro expanding into defined operator test 1
+#endif
+
+#define Z
+
+#if !defined Z
+#error Z is defined
+#endif
+
+#if !is_Z_defined
+#error Macro expanding into defined operator test 2
+#endif
+
+#undef is_Z_defined
+#undef Z
+
+/* Do all the tests over again with the () form of defined.  */
+
+/* No diagnostics, though you could argue there should be.  */
+#if defined(defined)
+#error defined is defined!
+#endif
+
+#define is_Z_defined defined ( Z )
+
+#if defined(Z)
+#error Z is not defined
+#endif
+
+/* The behavior of "defined" when it comes from a macro expansion is
+   now documented.  */
+#if is_Z_defined
+#error Macro expanding into defined operator test 1
+#endif
+
+#define Z
+
+#if !defined(Z)
+#error Z is defined
+#endif
+
+#if !is_Z_defined
+#error Macro expanding into defined operator test 2
+#endif