Fix warning showed with GCC10 (#7336)

catching polymorphic type 'struct dmlc::Error' by value
apache · Jan 25, 2021 · da446af · da446af
1 parent f3b852d
commit da446af
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&) {
   }
 }