Added null dereference test involving arrays.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50084 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Analysis/null-deref-ps.c b/test/Analysis/null-deref-ps.c
index 214ccdd0ea04410d2a5967c9d1f64f4de74be337..b78c93ad16c1b11a6cf13d17e0d91f88d6863c97 100644 (file)
--- a/test/Analysis/null-deref-ps.c
+++ b/test/Analysis/null-deref-ps.c
@@ -16,3 +16,14 @@ int f2(struct foo_struct* p) {
     
   return p->x++; // expected-warning{{Dereference of null pointer.}}
 }
+
+int f3(char* x) {
+  
+  int i = 2;
+  
+  if (x)
+    return x[i - 1];
+  
+  return x[i+1]; // expected-warning{{Dereference of null pointer.}}
+}
+