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

llvm-svn: 203344
diff --git a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
index 6ca7fd3..0a593e6 100644
--- a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
+++ b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
@@ -94,23 +94,19 @@
 
     // Subclasses can override these methods to update the image with loaded
     // addresses for sections and common symbols
-    virtual void updateSectionAddress(const SectionRef &Sec, uint64_t Addr)
-    {
+    void updateSectionAddress(const SectionRef &Sec, uint64_t Addr) override {
       DyldObj->updateSectionAddress(Sec, Addr);
     }
 
-    virtual void updateSymbolAddress(const SymbolRef &Sym, uint64_t Addr)
-    {
+    void updateSymbolAddress(const SymbolRef &Sym, uint64_t Addr) override {
       DyldObj->updateSymbolAddress(Sym, Addr);
     }
 
-    virtual void registerWithDebugger()
-    {
+    void registerWithDebugger() override {
       JITRegistrar::getGDBRegistrar().registerObject(*Buffer);
       Registered = true;
     }
-    virtual void deregisterWithDebugger()
-    {
+    void deregisterWithDebugger() override {
       JITRegistrar::getGDBRegistrar().deregisterObject(*Buffer);
     }
 };