From: Jordy Rose <jediknil@belkadan.com>
Date: Sat, 14 Aug 2010 20:46:10 +0000 (+0000)
Subject: Add a test for alloca region extents.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=8556cc44af71f6147e1a821489b56f35acadea3f;p=clang

Add a test for alloca region extents.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111079 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/Analysis/outofbound.c b/test/Analysis/outofbound.c
index 9b487300c8..529f0e77b2 100644
--- a/test/Analysis/outofbound.c
+++ b/test/Analysis/outofbound.c
@@ -71,3 +71,11 @@ void sizeof_vla(int a) {
     y[5] = 5; // expected-warning{{out-of-bound}}
   }
 }
+
+void alloca_region(int a) {
+  if (a == 5) {
+    char *x = __builtin_alloca(a);
+    x[4] = 4; // no-warning
+    x[5] = 5; // expected-warning{{out-of-bound}}
+  }
+}