[Mlir-commits] [flang] [mlir] [openmp] [MLIR][OpenMP] Add scan reduction lowering to llvm (PR #167031)

[Sergio Afonso]

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skatrak wrote:

This should help avoid accidentally dereferencing an invalid pointer, and we could even use its presence as a way to tell whether the associated loop has a scan reduction.
```suggestion
  llvm::ScanInfo *scanInfo = nullptr;
```

https://github.com/llvm/llvm-project/pull/167031