[MLIR] Hide FailureOr::hasValue()

`Optional<T>::hasValue()` is deprecated and should be private like `has_value()`.

Reviewed By: tpopp, bondhugula

Differential Revision: https://reviews.llvm.org/D138400

diff --git a/mlir/include/mlir/Support/LogicalResult.h b/mlir/include/mlir/Support/LogicalResult.h
index e3163fe..ddd3389 100644 (file)
--- a/mlir/include/mlir/Support/LogicalResult.h
+++ b/mlir/include/mlir/Support/LogicalResult.h
@@ -96,6 +96,7 @@ public:
 private:
   /// Hide the bool conversion as it easily creates confusion.
   using Optional<T>::operator bool;
+  using Optional<T>::hasValue;
   using Optional<T>::has_value;
 };