Implemented transfer function logic for unary '+'

llvm-svn: 47357
diff --git a/clang/Analysis/RValues.cpp b/clang/Analysis/RValues.cpp
index 6027730..c4041b8 100644
--- a/clang/Analysis/RValues.cpp
+++ b/clang/Analysis/RValues.cpp
@@ -77,6 +77,13 @@
   return ValMgr.getValue(-getValue()); 
 }
 
+nonlval::ConcreteInt
+nonlval::ConcreteInt::EvalPlus(ValueManager& ValMgr, UnaryOperator* U) const {
+  assert (U->getType() == U->getSubExpr()->getType());  
+  assert (U->getType()->isIntegerType());  
+  return ValMgr.getValue(getValue()); 
+}
+
 //===----------------------------------------------------------------------===//
 // Transfer function dispatch for LValues.
 //===----------------------------------------------------------------------===//