1 files changed, 8 insertions, 0 deletions
diff --git a/test/ruby/test_class.rb b/test/ruby/test_class.rb
index 456362ef21..6fc461ed08 100644
--- a/test/ruby/test_class.rb
+++ b/test/ruby/test_class.rb
@@ -841,4 +841,12 @@ CODE
     klass.define_method(:bar) {}
     assert_equal klass, klass.remove_method(:bar), '[Bug #19164]'
   end
+
+  def test_method_table_assignment_just_after_class_init
+    assert_normal_exit "#{<<~"begin;"}\n#{<<~'end;'}", 'm_tbl assignment should be done only when Class object is not promoted'
+    begin;
+      GC.stress = true
+      class C; end
+    end;
+  end
 end