[Mlir-commits] [mlir] [MLIR][SCF] fix scf.index_switch fold convergence (#98535) (PR #98680)

[Mehdi Amini]

https://github.com/joker-eph requested changes to this pull request.

> The is because fold mechanism does not support zero-result ops.

Really? Is this documented?

I thought that `fold` can work by returning success/failure without populating the `results` array.

https://github.com/llvm/llvm-project/pull/98680