Added lval type (and tracking) for StringLiterals.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50109 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Analysis/null-deref-ps.c b/test/Analysis/null-deref-ps.c
index 6d954fd..2e66e18 100644
--- a/test/Analysis/null-deref-ps.c
+++ b/test/Analysis/null-deref-ps.c
@@ -38,4 +38,11 @@
     
   int *q = (int*) x;
   return *q; // expected-warning{{Dereference of null pointer.}}
-}
\ No newline at end of file
+}
+
+int f5() {
+  
+  char *s = "hello world";
+  return s[0]; // no-warning
+}
+