[C++11] Add 'override' keyword to virtual methods that override their base class.

llvm-svn: 203344
diff --git a/llvm/lib/ExecutionEngine/JIT/JIT.cpp b/llvm/lib/ExecutionEngine/JIT/JIT.cpp
index b271618..d3ad77b 100644
--- a/llvm/lib/ExecutionEngine/JIT/JIT.cpp
+++ b/llvm/lib/ExecutionEngine/JIT/JIT.cpp
@@ -450,9 +450,8 @@
     MachineCodeInfo *const MCI;
    public:
     MCIListener(MachineCodeInfo *mci) : MCI(mci) {}
-    virtual void NotifyFunctionEmitted(const Function &,
-                                       void *Code, size_t Size,
-                                       const EmittedFunctionDetails &) {
+    void NotifyFunctionEmitted(const Function &, void *Code, size_t Size,
+                               const EmittedFunctionDetails &) override {
       MCI->setAddress(Code);
       MCI->setSize(Size);
     }