Fixed some issues found by static analysis

modules/features2d/src/brisk.cpp

@@ -143,6 +143,10 @@ protected:
 
     // general
     static const float basicSize_;
+
+private:
+    BRISK_Impl(const BRISK_Impl &); // copy disabled
+    BRISK_Impl& operator=(const BRISK_Impl &); // assign disabled
 };
 
 

modules/features2d/src/evaluation.cpp

@@ -218,7 +218,7 @@ void EllipticKeyPoint::calcProjection( const std::vector<EllipticKeyPoint>& src,
         dst.resize(src.size());
         std::vector<EllipticKeyPoint>::const_iterator srcIt = src.begin();
         std::vector<EllipticKeyPoint>::iterator       dstIt = dst.begin();
-        for( ; srcIt != src.end(); ++srcIt, ++dstIt )
+        for( ; srcIt != src.end() && dstIt != dst.end(); ++srcIt, ++dstIt )
             srcIt->calcProjection(H, *dstIt);
     }
 }

modules/features2d/src/gftt.cpp

@@ -103,7 +103,7 @@ public:
         keypoints.resize(corners.size());
         std::vector<Point2f>::const_iterator corner_it = corners.begin();
         std::vector<KeyPoint>::iterator keypoint_it = keypoints.begin();
-        for( ; corner_it != corners.end(); ++corner_it, ++keypoint_it )
+        for( ; corner_it != corners.end() && keypoint_it != keypoints.end(); ++corner_it, ++keypoint_it )
             *keypoint_it = KeyPoint( *corner_it, (float)blockSize );
 
     }

modules/features2d/src/mser.cpp

@@ -284,6 +284,7 @@ public:
                     history->parent_ = h;
                 }
             }
+            CV_Assert(h != NULL);
             h->val = gray_level;
             h->size = size;
             h->head = head;