From: Ted Kremenek <kremenek@apple.com>
Date: Sat, 6 Aug 2011 00:34:48 +0000 (+0000)
Subject: [analyzer] add more buffer overflow tests to show we handle sizeof(VLA) in obstruse... 
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7d11c3f691674177bc7308c0fc6c82cb745bed0b;p=clang

[analyzer] add more buffer overflow tests to show we handle sizeof(VLA) in obstruse ways...

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137007 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/Analysis/outofbound.c b/test/Analysis/outofbound.c
index 665195565d..f5a24c9068 100644
--- a/test/Analysis/outofbound.c
+++ b/test/Analysis/outofbound.c
@@ -72,6 +72,24 @@ void sizeof_vla(int a) {
   }
 }
 
+void sizeof_vla_2(int a) {
+  if (a == 5) {
+    char x[a];
+    int y[sizeof(x) / sizeof(char)];
+    y[4] = 4; // no-warning
+    y[5] = 5; // expected-warning{{out-of-bound}}
+  }
+}
+
+void sizeof_vla_3(int a) {
+  if (a == 5) {
+    char x[a];
+    int y[sizeof(*&*&*&x)];
+    y[4] = 4; // no-warning
+    y[5] = 5; // expected-warning{{out-of-bound}}
+  }
+}
+
 void alloca_region(int a) {
   if (a == 5) {
     char *x = __builtin_alloca(a);