Change which constructor is gated for devices

Signed-off-by: James Brodman <[email protected]>

Author: jbrodman

sycl/include/CL/sycl/multi_ptr.hpp

@@ -44,13 +44,15 @@ template <typename ElementType, access::address_space Space> class multi_ptr {
   multi_ptr() : m_Pointer(nullptr) {}
   multi_ptr(const multi_ptr &rhs) = default;
   multi_ptr(multi_ptr &&) = default;
-  multi_ptr(pointer_t pointer) : m_Pointer(pointer) {}
 #ifdef __SYCL_DEVICE_ONLY__
+  multi_ptr(pointer_t pointer) : m_Pointer(pointer) {}
+#endif
+
   multi_ptr(ElementType *pointer) : m_Pointer((pointer_t)(pointer)) {
     // TODO An implementation should reject an argument if the deduced
     // address space is not compatible with Space.
   }
-#endif
+
   multi_ptr(std::nullptr_t) : m_Pointer(nullptr) {}
   ~multi_ptr() = default;