Migrated LiveVariables and UninitializedVariables to now use the
tracked BlkExpr information now maintained by the CFG class.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@42498 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Driver/ASTStreamers.cpp b/Driver/ASTStreamers.cpp
index c0ae401..61490d3 100644
--- a/Driver/ASTStreamers.cpp
+++ b/Driver/ASTStreamers.cpp
@@ -222,7 +222,7 @@
     }
 
     virtual void VisitCFG(CFG& C) {
-      LiveVariables L;
+      LiveVariables L(C);
       L.runOnCFG(C);
       L.dumpBlockLiveness(*SM);
     }