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

[Oleksandr Alex Zinenko]

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@@ -41,7 +41,8 @@ static LogicalResult createBackwardSliceFunction(Operation *op,
   options.omitBlockArguments = omitBlockArguments;
   // TODO: Make this default.
   options.omitUsesFromAbove = false;
-  getBackwardSlice(op, &slice, options);
+  auto result = getBackwardSlice(op, &slice, options);
+  assert(result.succeeded());
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ftynse wrote:

```suggestion
  LogicalResult result = getBackwardSlice(op, &slice, options);
  assert(result.succeeded() && "expected a backward slice");
```

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