Correct unused-parameter warnings from defaulted methods.

GCC 4.8.5 warns about defaulted methods when parameters have names.

vtkm/cont/ArrayHandleBitField.h

@@ -82,10 +82,10 @@ public:
   explicit VTKM_CONT Storage(vtkm::cont::BitField&& data) noexcept : Data{ std::move(data) } {}
 
   VTKM_CONT Storage() = default;
-  VTKM_CONT Storage(const Storage& src) = default;
-  VTKM_CONT Storage(Storage&& src) noexcept = default;
-  VTKM_CONT Storage& operator=(const Storage& src) = default;
-  VTKM_CONT Storage& operator=(Storage&& src) noexcept = default;
+  VTKM_CONT Storage(const Storage&) = default;
+  VTKM_CONT Storage(Storage&&) noexcept = default;
+  VTKM_CONT Storage& operator=(const Storage&) = default;
+  VTKM_CONT Storage& operator=(Storage&&) noexcept = default;
 
   VTKM_CONT
   PortalType GetPortal() { return PortalType{ this->Data.GetPortalControl() }; }

vtkm/cont/BitField.h

@@ -145,10 +145,10 @@ protected:
 
 public:
   BitPortalBase() noexcept = default;
-  BitPortalBase(const BitPortalBase& src) noexcept = default;
-  BitPortalBase(BitPortalBase&& src) noexcept = default;
-  BitPortalBase& operator=(const BitPortalBase& src) noexcept = default;
-  BitPortalBase& operator=(BitPortalBase&& src) noexcept = default;
+  BitPortalBase(const BitPortalBase&) noexcept = default;
+  BitPortalBase(BitPortalBase&&) noexcept = default;
+  BitPortalBase& operator=(const BitPortalBase&) noexcept = default;
+  BitPortalBase& operator=(BitPortalBase&&) noexcept = default;
 
   /// Returns the number of bits in the BitField.
   VTKM_EXEC_CONT
@@ -528,11 +528,11 @@ public:
     : Internals{ std::make_shared<InternalStruct>() }
   {
   }
-  VTKM_CONT BitField(const BitField& src) = default;
-  VTKM_CONT BitField(BitField&& src) noexcept = default;
+  VTKM_CONT BitField(const BitField&) = default;
+  VTKM_CONT BitField(BitField&&) noexcept = default;
   VTKM_CONT ~BitField() = default;
-  VTKM_CONT BitField& operator=(const BitField& src) = default;
-  VTKM_CONT BitField& operator=(BitField&& src) noexcept = default;
+  VTKM_CONT BitField& operator=(const BitField&) = default;
+  VTKM_CONT BitField& operator=(BitField&&) noexcept = default;
 
   VTKM_CONT
   bool operator==(const BitField& rhs) const { return this->Internals == rhs.Internals; }