diff --git a/Lib/test/test_subprocess.py b/Lib/test/test_subprocess.py
old mode 100644
new mode 100755
--- a/Lib/test/test_subprocess.py
+++ b/Lib/test/test_subprocess.py
@@ -119,6 +119,15 @@
 env=newenv)
 self.assertEqual(rc, 1)
 
+ def test_stdout_large(self):
+ # see: issue #11395
+ p = subprocess.Popen([sys.executable, "-c",
+ "print(b'a' * 66000)"],
+ stderr=subprocess.PIPE)
+ self.addCleanup(p.stderr.close)
+ p.wait()
+ self.assertEqual(p.returncode, 0)
+
 def test_stdin_none(self):
 # .stdin is None when not redirected
 p = subprocess.Popen([sys.executable, "-c", 'print("banana")'],
</div><div class="naked_ctrl">
<form action="/index.cgi/contrast" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://bugs.python.org/file21003/test_writeconsole.patch">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="https://bugs.python.org/file21003/test_writeconsole.patch" size="22" /></label> <label>モード: <select name="naked_post_mode">
<option value="default">デフォルト</option>
<option value="speech">音声ブラウザ</option>
<option value="ruby">ルビ付き</option>
<option value="contrast" selected="selected">配色反転</option>
<option value="larger-text">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
</div>