From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001
From: "Zancanaro; Carlo" <czan8762@plang3.cs.usyd.edu.au>
Date: Mon, 24 Sep 2012 09:58:17 +1000
Subject: Add the clang library to the repo (with some of my changes, too).

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

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

diff --git a/clang/test/Preprocessor/overflow.c b/clang/test/Preprocessor/overflow.c
new file mode 100644
index 0000000..a921441
--- /dev/null
+++ b/clang/test/Preprocessor/overflow.c
@@ -0,0 +1,25 @@
+// RUN: %clang_cc1 -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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