From 9fcdc52243117f1da9b0cb0f69da84ae60f7f11f Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Fri, 23 Nov 2007 06:50:21 +0000
Subject: Fix PR1820, an incredibly subtle macro expansion bug that Neil
 discovered.

Neil, please review this fix.

llvm-svn: 44285
---
 clang/test/Preprocessor/macro_disable4.c | 6 ++++++
 1 file changed, 6 insertions(+)
 create mode 100644 clang/test/Preprocessor/macro_disable4.c

(limited to 'clang/test/Preprocessor/macro_disable4.c')

diff --git a/clang/test/Preprocessor/macro_disable4.c b/clang/test/Preprocessor/macro_disable4.c
new file mode 100644
index 00000000000..4858813a0ec
--- /dev/null
+++ b/clang/test/Preprocessor/macro_disable4.c
@@ -0,0 +1,6 @@
+// RUN: clang -P -E %s | grep 'int f(void)'
+// PR1820
+
+#define f(x) h(x
+#define h(x) x(void) 
+extern int f(f));
-- 
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