598713268ce808dabcaaf18d1e49dc2eee5978d9,source/com/intellij/psi/impl/source/tree/TreeUtil.java,TreeUtil,removeRange,#TreeElement#TreeElement#,231

Before Change


    }
    if (parent != null){
      for(TreeElement element = start; element != end; element = element.getTreeNext()){
        if(element instanceof CompositeElement)
          element.setTreeParent(null);
      }
    }

After Change


    start.setTreePrev(null);
    if (parent != null){
      for(TreeElement element = start; element != end; element = element.getTreeNext()){
        element.setTreeParent(null);
      }
    }
    if (endPrev != null){