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GPU tiles no longer get denoised
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System Information
Operating system: Linux Mint 19.1
Graphics card: GTX 1080ti

Blender Version
Broken: All 2.79 and 2.80 builds since this commit
Worked: All current builds before

Short description of error
When rendering in hybrid mode tiles rendered by the GPU aren't denoised any more. CPU tiles are fine.
If I render in CPU mode all tiles are fine, in pure GPU mode all are noisy.
Here's a result when using hybrid mode:

Exact steps for others to reproduce the error

  • Load this scene:

  • Press F12
  • See the noisy tiles inside the concave part of the cube



Event Timeline

Seems reports a similar situation due to that patch.
Here's an image of mine showing skipped denoising tiles.

reverting the patch denoises the image just fine (on Linux 18.04/NVidia 1050ti)