include/oneapi/dpl/pstl/hetero/dpcpp/parallel_backend_sycl_merge.h - …

…fix review comment: let's use real data types

include/oneapi/dpl/pstl/hetero/dpcpp/parallel_backend_sycl_merge.h

@@ -173,7 +173,7 @@ __serial_merge(const _Rng1& __rng1, const _Rng2& __rng2, _Rng3& __rng3, const _I
         // One of __rng1_idx_less_n1 and __rng2_idx_less_n2 should be true here
         // because 1) we should fill output data with elements from one of the input ranges
         // 2) we calculate __rng3_idx_end as std::min<_Index>(__rng1_size + __rng2_size, __chunk).
-        if constexpr (__can_use_ternary_op_v<_Rng1, _Rng2>)
+        if constexpr (__can_use_ternary_op_v<decltype(__rng1[__rng1_idx]), decltype(__rng2[__rng2_idx])>)
         {
             // This implementation is required for performance optimization
             __rng3[__rng3_idx] = (!__rng1_idx_less_n1 || __rng1_idx_less_n1 && __rng2_idx_less_n2 &&