From ec2b103c267a06a66e926f62cd96767b280f5cf5 Mon Sep 17 00:00:00 2001
From: Ed Schouten <ed@FreeBSD.org>
Date: Tue, 2 Jun 2009 17:58:47 +0000
Subject: Import Clang, at r72732.

---
 test/Preprocessor/overflow.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 test/Preprocessor/overflow.c

(limited to 'test/Preprocessor/overflow.c')

diff --git a/test/Preprocessor/overflow.c b/test/Preprocessor/overflow.c
new file mode 100644
index 0000000000000..297a35e658fd8
--- /dev/null
+++ b/test/Preprocessor/overflow.c
@@ -0,0 +1,25 @@
+// RUN: clang-cc -Eonly %s -verify -triple i686-pc-linux-gnu
+
+// Multiply signed overflow
+#if 0x7FFFFFFFFFFFFFFF*2 // expected-warning {{overflow}}
+#endif
+
+// Multiply unsigned overflow
+#if 0xFFFFFFFFFFFFFFFF*2
+#endif
+
+// Add signed overflow
+#if 0x7FFFFFFFFFFFFFFF+1 // expected-warning {{overflow}}
+#endif
+
+// Add unsigned overflow
+#if 0xFFFFFFFFFFFFFFFF+1
+#endif
+
+// Subtract signed overflow
+#if 0x7FFFFFFFFFFFFFFF- -1 // expected-warning {{overflow}}
+#endif
+
+// Subtract unsigned overflow
+#if 0xFFFFFFFFFFFFFFFF- -1 // expected-warning {{converted from negative value}}
+#endif
-- 
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