diff --git a/test/ruby/test_syntax.rb b/test/ruby/test_syntax.rb
index b8f1619ae2..63997f423f 100644
--- a/test/ruby/test_syntax.rb
+++ b/test/ruby/test_syntax.rb
@@ -345,7 +345,11 @@ WARN
   def test_heredoc_after_label
     bug11849 = '[ruby-core:72396] [Bug #11849]'
     assert_valid_syntax("{label:<<DOC\n""DOC\n""}", bug11849)
+    assert_valid_syntax("{label:<<-DOC\n""DOC\n""}", bug11849)
+    assert_valid_syntax("{label:<<~DOC\n""DOC\n""}", bug11849)
     assert_valid_syntax("{label: <<DOC\n""DOC\n""}", bug11849)
+    assert_valid_syntax("{label: <<-DOC\n""DOC\n""}", bug11849)
+    assert_valid_syntax("{label: <<~DOC\n""DOC\n""}", bug11849)
   end
 
   def test_duplicated_arg