Add another null pointer check test case.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70614 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Analysis/null-deref-ps.c b/test/Analysis/null-deref-ps.c
index 2b0ed0a..e78aea0 100644
--- a/test/Analysis/null-deref-ps.c
+++ b/test/Analysis/null-deref-ps.c
@@ -117,6 +117,20 @@
   return x;
 }
 
+int* f7b(int *x) {
+  
+  int* p = 0;
+  
+  if (((void*)0) == x)
+    p = qux();
+  
+  if (((void*)0) == x)
+    *p = 1; // no-warning
+    
+  return x;
+}
+
+
 int f8(int *p, int *q) {
   if (!p)
     if (p)