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

llvm-svn: 203439
diff --git a/llvm/lib/Target/ARM/MCTargetDesc/ARMMachORelocationInfo.cpp b/llvm/lib/Target/ARM/MCTargetDesc/ARMMachORelocationInfo.cpp
index 5a8b4e7..d4b00e6 100644
--- a/llvm/lib/Target/ARM/MCTargetDesc/ARMMachORelocationInfo.cpp
+++ b/llvm/lib/Target/ARM/MCTargetDesc/ARMMachORelocationInfo.cpp
@@ -23,7 +23,7 @@
   ARMMachORelocationInfo(MCContext &Ctx) : MCRelocationInfo(Ctx) {}
 
   const MCExpr *createExprForCAPIVariantKind(const MCExpr *SubExpr,
-                                             unsigned VariantKind) {
+                                             unsigned VariantKind) override {
     switch(VariantKind) {
     case LLVMDisassembler_VariantKind_ARM_HI16:
       return ARMMCExpr::CreateUpper16(SubExpr, Ctx);