From a2566f60d2a35cf237a62d77d521d3108ad36b2d Mon Sep 17 00:00:00 2001
From: Neil Booth <neil@daikokuya.demon.co.uk>
Date: Tue, 2 Oct 2001 22:30:15 +0000
Subject: [PATCH] * gcc.dg/cpp/macro11.c: New test.
From-SVN: r45978
---
gcc/testsuite/ChangeLog | 4 ++++
gcc/testsuite/gcc.dg/cpp/macro11.c | 16 ++++++++++++++++
2 files changed, 20 insertions(+)
create mode 100644 gcc/testsuite/gcc.dg/cpp/macro11.c
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 087feed8da17..e289f1a46851 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2001-10-02 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * gcc.dg/cpp/macro11.c: New test.
+
2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
* g++.dg/warn/format2.C, gcc.dg/format/attr-7.c,
diff --git a/gcc/testsuite/gcc.dg/cpp/macro11.c b/gcc/testsuite/gcc.dg/cpp/macro11.c
new file mode 100644
index 000000000000..b131223b932f
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cpp/macro11.c
@@ -0,0 +1,16 @@
+/* Copyright (C) 2001 Free Software Foundation, Inc. */
+
+/* { dg-do preprocess } */
+
+/* Source: Neil Booth, 2 Oct 2001.
+
+ Tests that we clear the disabled flag that is set by the
+ macro-defined-to-itself optimization (the optimization might not be
+ worth it). */
+
+#define foo foo
+#undef foo
+#define foo 1
+#if !foo
+#error foo still disabled!
+#endif
--
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