Partly picking 25ef7dbeda (diff-1ce41a048bf2c08aa7bf25b741e9d3a4e08ea03f0d80bc6b8ee6d1c3c259704dR1022)

test/error_highlight/test_error_highlight.rb

@@ -1019,7 +1019,7 @@ _ _ ^^^^^
   end
 
   def test_no_final_newline
-    Tempfile.create(["error_highlight_test", ".rb"]) do |tmp|
+    Tempfile.create(["error_highlight_test", ".rb"], binmode: true) do |tmp|
       tmp << "1.time {}"
       tmp.close