[Mlir-commits] [mlir] [MLIR] Change getBackwardSlice to return a logicalresult rather than … (PR #140961)

[Oleksandr Alex Zinenko]

================
@@ -112,7 +112,8 @@ bool BackwardSliceMatcher<Matcher>::matches(
     }
     return true;
   };
-  getBackwardSlice(rootOp, &backwardSlice, options);
+  auto result = getBackwardSlice(rootOp, &backwardSlice, options);
+  assert(result.succeeded());
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ftynse wrote:

```suggestion
  assert(result.succeeded() && "expected backward slice to succeed");
```

https://github.com/llvm/llvm-project/pull/140961