check_shapes allow dynamic

src/include/migraphx/op/nonmaxsuppression.hpp

@@ -58,7 +58,7 @@ struct nonmaxsuppression
     shape compute_shape(std::vector<shape> inputs) const
     {
         // requires at least 2 inputs
-        check_shapes{{inputs.at(0), inputs.at(1)}, *this}.only_dims(3).same_ndims();
+        check_shapes{{inputs.at(0), inputs.at(1)}, *this, true}.only_dims(3).same_ndims();
         const auto max_num_boxes = inputs.at(0).max_lens().at(1);
 
         auto fixed_shape_error_check = [&]() {