[Mlir-commits] [mlir] [mlir][xegpu] Fix seg-fault caused by setting a null attribute (PR #146002)

[Adam Siemieniuk]

https://github.com/adam-smnk approved this pull request.

Isn't there potentially the same issue with:
```
if (!isa<scf::IfOp, scf::ForOp, scf::WhileOp, scf::ConditionOp>(op))
          op->setAttr(name, layout.dropSgLayoutAndData());
```
at the end of `XeGPUWgToSgDistributePass::runOnOperation`?

https://github.com/llvm/llvm-project/pull/146002