ID 363967 - Denoise output set to "Noise" displays incorrect result

Problem summary
Denoise output set to  "Noise" displays incorrect result.

Customer reported version
nuke.11.2v3

Steps to reproduce
1) Open Nuke.
2) Press "R" and navigate to a file to denoise.
3) Press "Tab" and type Denoise; select Denoise from the list.
4) Press 1 on the Denoise node to view it.
5) Change the Output knob from "Result" to Noise" in the Denoise properties.
Result: The displayed image does not show the proper noise.

Workaround
Minus the denoised plate from the original plate via a merge node to see the removed noise.

Reproduced by support
This bug has been reproduced in:
11.2v3 - Windows 10, OSX 10.13.5, Centos 7.4
11.2v1 - Windows 10
11.1v6 - Windows 10
11.1v1 - Windows 10
11.0v4 - Windows 10
11.0v1 - Windows 10, OSX 10.13.5, Centos 7.4

Unable to reproduce bug in:
10.5v7 - Windows 10, OSX 10.13.5, Centos 7.4

Earliest version tested
10.5v7 - Windows 10, OSX 10.13.5, Centos 7.4 - This issue no longer appears in this version and has regressed

Expected behaviour
The "Noise" output mode should show the noise removed from the original plate.

Actual behaviour
The "Noise" output mode does not represent the actual noise removed.