[clang] [clang][SYCL] Implement address space attributes for SYCL (PR #200849)

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@@ -13537,6 +13537,9 @@ def err_sycl_special_type_num_init_method : Error<
   "method defined">;
 def err_sycl_device_invalid_target : Error<
   "%0 is not a supported SYCL device target">;
+def err_sycl_address_space_qualified_object : Error<
+  "'%0' attribute may only be applied to the object type of an object pointer "
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elizabethandrews wrote:

I modified the diagnostic as suggested. @erichkeane please let me know if the new diagnostic works for you. Thank you!

https://github.com/llvm/llvm-project/pull/200849