Col. Peyton, of the 19th VA., reported positively on the charge. He mentions the post and rail fence almost in passing, as if it were not a factor.
http://www.brotherswar.com/Gettysburg-3r.htm
There is also speculation as to the contents of the report, including what it apparently did NOT say about Longstreet.
http://www.tennessee-scv.org/longstreet/getty6.htm
History can be very strange at times. Stan