From: Ted Kremenek <kremenek@apple.com>
Date: Tue, 3 Jan 2012 21:02:04 +0000 (+0000)
Subject: Add test case for PR 9774, which got fixed along the way.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=952b35dc07d5c77592a1b6bd54257511fcdb1ca9;p=clang

Add test case for PR 9774, which got fixed along the way.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147479 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/Sema/warn-unreachable.c b/test/Sema/warn-unreachable.c
index 8db36b7100..3ad53c707b 100644
--- a/test/Sema/warn-unreachable.c
+++ b/test/Sema/warn-unreachable.c
@@ -125,4 +125,10 @@ void test_assert() {
   return; // no-warning
 }
 
+// Test case for PR 9774.  Tests that dead code in macros aren't warned about.
+#define MY_MAX(a,b)     ((a) >= (b) ? (a) : (b))
+void PR9774(int *s) {
+    for (int i = 0; i < MY_MAX(2, 3); i++) // no-warning
+        s[i] = 0;
+}