Fixed bug in the transfer function for dereferences: the loaded value from EvalLoad should bind to the UnaryOperator*, not its subexpression.

Added test case to exercise this fix when checking for uses of uninitialized values.

Patch by Zhongxing Xu!



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@51377 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/GRExprEngine.cpp b/lib/Analysis/GRExprEngine.cpp
index 71d7ed3..ce64875 100644
--- a/lib/Analysis/GRExprEngine.cpp
+++ b/lib/Analysis/GRExprEngine.cpp
@@ -1596,7 +1596,7 @@
         if (asLVal)
           MakeNode(Dst, U, *I, SetRVal(St, U, location));
         else
-          EvalLoad(Dst, Ex, *I, St, location);
+          EvalLoad(Dst, U, *I, St, location);
       } 
 
       return;