Remove unused variables.

llvm-svn: 143696

clang/lib/AST/ExprConstant.cpp

@@ -1286,8 +1286,6 @@ bool PointerExprEvaluator::VisitCastExpr(const CastExpr* E) {
 
     // Now figure out the necessary offset to add to the baseLV to get from
     // the derived class to the base class.
-    CharUnits Offset = CharUnits::Zero();
-
     QualType Ty = E->getSubExpr()->getType();
     const CXXRecordDecl *DerivedDecl = 
       Ty->getAs<PointerType>()->getPointeeType()->getAsCXXRecordDecl();

clang/lib/StaticAnalyzer/Core/ExprEngineC.cpp

@@ -540,11 +540,9 @@ void ExprEngine::VisitUnaryOperator(const UnaryOperator* U,
                                     ExplodedNode *Pred,
                                     ExplodedNodeSet &Dst) {
   StmtNodeBuilder Bldr(Pred, Dst, *currentBuilderContext);
-  bool IncDec = false;
   switch (U->getOpcode()) {
     default: {
       Bldr.takeNodes(Pred);
-      IncDec = true;
       ExplodedNodeSet Tmp;
       VisitIncrementDecrementOperator(U, Pred, Tmp);
       Bldr.addNodes(Tmp);