[Mlir-commits] [mlir] [mlir][tensor] fix out-of-bound index in tensor.dim (PR #85901)

[Mehdi Amini]

================
@@ -738,11 +741,11 @@ OpFoldResult DimOp::fold(FoldAdaptor adaptor) {
   if (!tensorType)
     return {};
 
-  // Out of bound indices produce undefined behavior but are still valid IR.
-  // Don't choke on them.
+  // Fold dim to posion if the index is out of bound. Poison represents
----------------
joker-eph wrote:

```suggestion
  // Fold dim to poison if the index is out of bound. Poison represents
```

https://github.com/llvm/llvm-project/pull/85901