[SYCL] Aligned set_arg behaviour with SYCL specification

According to SYCL 1.2.1 specification, rev. 7, paragraph 4.8.5:

template <typename T>
void set_arg(int argIndex, T &&arg)
...
The argument can be either a SYCL accessor, a SYCL sampler or
a trivially copyable and standard-layout C++ type.

Signed-off-by: Ivan Karachun <[email protected]>

Author: Ivan Karachun

sycl/include/CL/sycl/handler.hpp

@@ -386,7 +386,11 @@ class __SYCL_EXPORT handler {
                        static_cast<int>(AccessTarget), ArgIndex);
   }
 
-  template <typename T> void setArgHelper(int ArgIndex, T &&Arg) {
+  template <typename T>
+  typename std::enable_if<std::is_trivially_copyable<T>::value &&
+                              std::is_standard_layout<T>::value,
+                          void>::type
+  setArgHelper(int ArgIndex, T &&Arg) {
     void *StoredArg = (void *)storePlainArg(Arg);
 
     if (!std::is_same<cl_mem, T>::value && std::is_pointer<T>::value) {