[Mlir-commits] [mlir] [mlir][Vector] Generate poison vectors in vector.shape_cast lowering (PR #125613)

[Andrea Faulds]

andfau-amd wrote:

> I've just realized that this breaks convert to spirv

How? I do remember that I had to make the `-test-convert-to-spirv` pass (`TestConvertToSPIRVPass`) register the UB dialect to avoid crashing in some cases, but I didn't end up committing it as it wasn't relevant to my changes. Is that the problem here, or is it something else?

https://github.com/llvm/llvm-project/pull/125613