[PATCH v2 0/3] MR431: vkd3d-shader: Accept 'loop' attribute

[Nikolay Sivov (＠nsivov)]

I see current Chrome is hitting this.

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  v2: vkd3d-shader: Accept 'loop' attribute, on loops.
      vkd3d-shader: Check loop [unroll] attribute for conflict with other attributes.
      tests: Add some tests for loop attributes.

https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/431