include/oneapi/dpl/internal/async_impl/glue_async_impl.h - fix issue: Brick __brick_copy specialized by _ExecutionPolicy without std::decay_t

#2110

Author: SergeyKopienko

include/oneapi/dpl/internal/async_impl/glue_async_impl.h

@@ -77,12 +77,14 @@ auto
 copy_async(_ExecutionPolicy&& __exec, _ForwardIterator1 __first, _ForwardIterator1 __last, _ForwardIterator2 __result,
            _Events&&... __dependencies)
 {
+    using _DecayedExecutionPolicy = std::decay_t<_ExecutionPolicy>;
+
     auto __dispatch_tag = oneapi::dpl::__internal::__select_backend(__exec, __first, __result);
 
     wait_for_all(::std::forward<_Events>(__dependencies)...);
     auto ret_val = oneapi::dpl::__internal::__pattern_walk2_brick_async(
         __dispatch_tag, ::std::forward<_ExecutionPolicy>(__exec), __first, __last, __result,
-        oneapi::dpl::__internal::__brick_copy<decltype(__dispatch_tag), _ExecutionPolicy>{});
+        oneapi::dpl::__internal::__brick_copy<decltype(__dispatch_tag), _DecayedExecutionPolicy>{});
     return ret_val;
 }