Re: [PATCH v2 0/1] MR536: vkd3d-shader/ir: Revert "Do not merge signature elements which have different interpolation modes."

[Henri Verbeet (＠hverbeet)]

So why is the original commit wrong/superfluous? Arguably this incident simply re-emphasises the need for test coverage for changes like these; if we're going to revert this, could we at least get a test this time?