Use 'override/final' instead of 'virtual' for overridden methods

The patch is generated using clang-tidy misc-use-override check.

This command was used:

  tools/clang/tools/extra/clang-tidy/tool/run-clang-tidy.py \
    -checks='-*,misc-use-override' -header-filter='llvm|clang' \
    -j=32 -fix -format

http://reviews.llvm.org/D8925



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234679 91177308-0d34-0410-b5e6-96231b3b80d8

lib/ExecutionEngine/ExecutionEngineBindings.cpp

@@ -351,7 +351,7 @@ class SimpleBindingMemoryManager : public RTDyldMemoryManager {
 public:
   SimpleBindingMemoryManager(const SimpleBindingMMFunctions& Functions,
                              void *Opaque);
-  virtual ~SimpleBindingMemoryManager();
+  ~SimpleBindingMemoryManager() override;
 
   uint8_t *allocateCodeSection(uintptr_t Size, unsigned Alignment,
                                unsigned SectionID,