Fix some new and exciting exec_space [subobject] warnings.

Author: alliepiper

thrust/device_allocator.h

@@ -115,24 +115,22 @@ class device_allocator
     };
 
     /*! Default constructor has no effect. */
-    __host__
+    __host__ __device__
     device_allocator() {}
 
     /*! Copy constructor has no effect. */
-    __host__
+    __host__ __device__
     device_allocator(const device_allocator& other) : base(other) {}
 
     /*! Constructor from other \p device_allocator has no effect. */
     template<typename U>
-    __host__
+    __host__ __device__
     device_allocator(const device_allocator<U>& other) : base(other) {}
 
-#if THRUST_CPP_DIALECT >= 2011
     device_allocator & operator=(const device_allocator &) = default;
-#endif
 
     /*! Destructor has no effect. */
-    __host__
+    __host__ __device__
     ~device_allocator() {}
 };
 

thrust/mr/allocator.h

@@ -220,7 +220,8 @@ class stateless_resource_allocator : public thrust::mr::allocator<T, Upstream>
     /*! Default constructor. Uses \p get_global_resource to get the global instance of \p Upstream and initializes the
      *      \p allocator base subobject with that resource.
      */
-    __host__
+    __thrust_exec_check_disable__
+    __host__ __device__
     stateless_resource_allocator() : base(get_global_resource<Upstream>())
     {
     }

thrust/system/cuda/detail/par.h

@@ -48,6 +48,7 @@ struct execute_on_stream_base : execution_policy<Derived>
   cudaStream_t stream;
 
 public:
+  __thrust_exec_check_disable__
   __host__ __device__
   execute_on_stream_base(cudaStream_t stream_ = default_stream())
       : stream(stream_) {}