fix shadowing warning (#867)

src/utilities/include/vec_view.h

@@ -29,7 +29,7 @@ class VecView {
   using Iter = T *;
   using IterC = const T *;
 
-  VecView(T *ptr_, size_t size_) : ptr_(ptr_), size_(size_) {}
+  VecView(T *ptr, size_t size) : ptr_(ptr), size_(size) {}
 
   VecView(const VecView &other) {
     ptr_ = other.ptr_;