Revert the C++ change

Author: rok

cpp/src/arrow/extension/tensor_extension_array_test.cc

@@ -1008,7 +1008,7 @@ TEST_F(TestVariableShapeTensorType, ComputeStridesWithNonTrivialPermutation) {
                            internal::checked_pointer_cast<ExtensionScalar>(scalar)));
 
   ASSERT_EQ(tensor->shape(), (std::vector<int64_t>{3, 2, 1}));
-  ASSERT_EQ(tensor->strides(), (std::vector<int64_t>{sizeof(int64_t), sizeof(int64_t) * 2,
+  ASSERT_EQ(tensor->strides(), (std::vector<int64_t>{sizeof(int64_t), sizeof(int64_t) * 3,
                                                      sizeof(int64_t)}));
   ASSERT_EQ(tensor->dim_names(), (std::vector<std::string>{"y", "x", "z"}));
 }

cpp/src/arrow/extension/variable_shape_tensor.cc

@@ -269,9 +269,9 @@ Result<std::shared_ptr<Tensor>> VariableShapeTensorType::MakeTensor(
     internal::Permute<std::string>(permutation, &dim_names);
   }
 
-  internal::Permute<int64_t>(permutation, &shape);
   ARROW_ASSIGN_OR_RAISE(
       auto strides, internal::ComputeStrides(ext_type.value_type(), shape, permutation));
+  internal::Permute<int64_t>(permutation, &shape);
 
   ARROW_ASSIGN_OR_RAISE(const auto buffer,
                         internal::SliceTensorBuffer(*data_array, value_type, shape));