From 28e0e6f0d599178c4cd3c8d186ac7064da19784f Mon Sep 17 00:00:00 2001
From: shiyu1994 <shiyu_k1994@qq.com>
Date: Wed, 12 Jul 2023 18:34:29 +0800
Subject: [PATCH] [c++] virtual destructor for gradient discretizer (#5965)

---
 src/treelearner/gradient_discretizer.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/treelearner/gradient_discretizer.hpp b/src/treelearner/gradient_discretizer.hpp
index 352788f7d093..f6d3e8939477 100644
--- a/src/treelearner/gradient_discretizer.hpp
+++ b/src/treelearner/gradient_discretizer.hpp
@@ -30,7 +30,7 @@ class GradientDiscretizer {
     stochastic_rounding_ = stochastic_rounding;
   }
 
-  ~GradientDiscretizer() {}
+  virtual ~GradientDiscretizer() {}
 
   virtual void DiscretizeGradients(
     const data_size_t num_data,