From 9f3d1ac419a0e9887387c8330dffc2e4e8a17d20 Mon Sep 17 00:00:00 2001
From: Abramo Bagnara <abramo.bagnara@gmail.com>
Date: Tue, 3 Jan 2012 20:13:03 +0000
Subject: [PATCH] Added testcases for -Wdisabled-macro-expansion.

llvm-svn: 147473
---
 .../warn-disabled-macro-expansion.c           | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 clang/test/Preprocessor/warn-disabled-macro-expansion.c

diff --git a/clang/test/Preprocessor/warn-disabled-macro-expansion.c b/clang/test/Preprocessor/warn-disabled-macro-expansion.c
new file mode 100644
index 000000000000..fe8e90c721d9
--- /dev/null
+++ b/clang/test/Preprocessor/warn-disabled-macro-expansion.c
@@ -0,0 +1,27 @@
+// RUN: %clang_cc1 %s -E -Wdisabled-macro-expansion -verify
+
+#define p p
+
+#define a b
+#define b a
+
+#define f(a) a
+
+#define g(b) a
+
+#define h(x) i(x)
+#define i(y) i(y)
+
+#define c(x) x(0)
+
+p // expected-warning {{recursive macro}}
+
+a // expected-warning {{recursive macro}}
+
+f(2)
+
+g(3) // expected-warning {{recursive macro}}
+
+h(0) // expected-warning {{recursive macro}}
+
+c(c) // expected-warning {{recursive macro}}