From: "Dr. Tobias Quathamer" <toddy@debian.org>
Date: Sat, 6 Feb 2016 01:19:16 +0100
Subject: fclose.3

---
 man3/fclose.3 | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/man3/fclose.3 b/man3/fclose.3
index 6e1f953..f5b6faa 100644
--- a/man3/fclose.3
+++ b/man3/fclose.3
@@ -56,6 +56,16 @@ function flushes the stream pointed to by
 (writing any buffered output data using
 .BR fflush (3))
 and closes the underlying file descriptor.
+.\" Reviewed by upstream and rejected, May 2012, Debian#67239
+.PP
+The behaviour of
+.BR fclose ()
+is undefined if the
+.I stream
+parameter is an illegal pointer, or is a descriptor already passed
+to a previous invocation of
+.BR fclose ().
+.\" End of patch
 .SH RETURN VALUE
 Upon successful completion, 0 is returned.
 Otherwise,