Fix warning showed with GCC10 (apache#7336)

catching polymorphic type 'struct dmlc::Error' by value
electriclilies · Feb 18, 2021 · a40d741 · a40d741
1 parent 53db95e
commit a40d741
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/tests/cpp/ir_functor_test.cc b/tests/cpp/ir_functor_test.cc
@@ -72,7 +72,7 @@ TEST(IRF, ExprTransform) {
   try {
     f(z - 1, 2);
     LOG(FATAL) << "should fail";
-  } catch (dmlc::Error) {
+  } catch (dmlc::Error&) {
   }
 }