Description of Problem:
using the merge option for sort, -m option, results in an "internal file state 
corrupted" error.  This problem does not exist for sort in the textutils.2.0.11-
7.  But it does exist in the textutils.2.0.14-2 and higher packages available 
for RedHat 7.2.

Version-Release number of selected component (if applicable):
textutils.2.0.11-7

How Reproducible:
easily reproducible

Steps to Reproduce:
1. create 3 files with two fields each, '|' delimited.  the first field should 
be numeric and the second may be type.  the files should be sorted in ascending 
order based on the first field
2. execute the following command to see the error: "sort -m -t '|' -k 1n *"
3. 

Actual Results:
the output of the above command is:
   sort: internal file state corrupted

Expected Results:


Additional Information: