[PATCH 2/5] d3d12: Add stub for D3D12EnableExperimentalFeatures().

[Marvin]

Hi,

While running your changed tests on Windows, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?

Full results can be found at:
https://testbot.winehq.org/JobDetails.pl?Key=48915

Your paranoid android.


=== debian9 (32 bit report) ===

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=== debian9 (32 bit WoW report) ===

Report errors:
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