ID 253321 - Reformat node causes footage to display the first frame in the viewer after the frame range end, rather than black

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Problem summary
Reformat node causes footage to display the first frame in the viewer after the frame range end, rather than black

Customer reported version
nuke.9.0v8

Customer reported platform
centos7

Steps to reproduce

1. Open Nuke
2. Create read node and read in EXR sequence
3. Go to the last frame of sequence and then one further
Result: going one frame further than the sequence will display black in the viewer
4. Add a reformat node after the read
5. Go to the last frame of sequence and then one further
Result: going one frame further than the sequence will display the first frame of the sequence in the viewer

Workaround
Add a crop or write node between the read and the reformat

Reproduced by support
Can repro on: 
OSX 10.11.3
Nuke 10.5v1
Nuke 9.0v8
Nuke 8.0v6

Windows 8:
10.5v1

Behaviour doesn't occur in:
OSX 10.11.3
7.0v6

Expected behaviour
For the viewer to display black once the final frame of the footage is reached

Actual behaviour
The viewer displays the first frame of the footage rather than displaying black
 

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