Fix a warning of -Woverloaded-virtfual.

A function declaration hided virtual functions from a base class.

2 files changed, 2 insertions, 2 deletions

diff --git a/moses/src/HypothesisStack.h b/moses/src/HypothesisStack.h
index 784cd7a39..045773725 100644
--- a/moses/src/HypothesisStack.h
+++ b/moses/src/HypothesisStack.h
@@ -39,7 +39,7 @@ public:
   virtual float GetWorstScoreForBitmap( WordsBitmapID ) {
     return -std::numeric_limits<float>::infinity();
   };
-  virtual float GetWorstScoreForBitmap( WordsBitmap ) {
+  virtual float GetWorstScoreForBitmap( const WordsBitmap& ) {
     return -std::numeric_limits<float>::infinity();
   };
 
diff --git a/moses/src/HypothesisStackNormal.h b/moses/src/HypothesisStackNormal.h
index 6996f4003..d991ec373 100644
--- a/moses/src/HypothesisStackNormal.h
+++ b/moses/src/HypothesisStackNormal.h
@@ -66,7 +66,7 @@ public:
       return -std::numeric_limits<float>::infinity();
     return m_diversityWorstScore[ id ];
   }
-  float GetWorstScoreForBitmap( const WordsBitmap &coverage ) {
+  virtual float GetWorstScoreForBitmap( const WordsBitmap &coverage ) {
     return GetWorstScoreForBitmap( coverage.GetID() );
   }