Revert r283690, "MC: Remove unused entities."

llvm-svn: 283814
diff --git a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index 1160a6c..8c9318b 100644
--- a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -752,7 +752,7 @@
   /// getStartLoc - Get the location of the first token of this operand.
   SMLoc getStartLoc() const override { return StartLoc; }
   /// getEndLoc - Get the location of the last token of this operand.
-  SMLoc getEndLoc() const { return EndLoc; }
+  SMLoc getEndLoc() const override { return EndLoc; }
   /// getLocRange - Get the range between the first and last token of this
   /// operand.
   SMRange getLocRange() const { return SMRange(StartLoc, EndLoc); }