Added more test cases for uninitialized values checker.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44307 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Analysis/uninit-vals.c b/test/Analysis/uninit-vals.c
index 641acd1..ccd048f 100644
--- a/test/Analysis/uninit-vals.c
+++ b/test/Analysis/uninit-vals.c
@@ -27,3 +27,18 @@
   int a;
   a = 30; // no-warning
 }
+
+void f6(int i) {
+  int x;
+  for (i = 0 ; i < 10; i++)
+    printf("%d",x++); // expected-warning {use of uninitialized variable}
+}
+
+void f7(int i) {
+  int x = i;
+  int y;
+  for (i = 0; i < 10; i++ ) {
+    printf("%d",x++); // no-warning
+    x += y; // expected-warning {use of uninitialized variable}
+  }
+}
\ No newline at end of file