Use std::string_view (#1780)

Follows #1619 and uses std::string_view

Signed-off-by: cyy <[email protected]>

Author: cyyever

src/ATen/native/xpu/Indexing.cpp

@@ -28,7 +28,7 @@ Tensor& index_select_out_xpu(
   c10::impl::check_and_update_common_device(
       common_device, out, "xpu::index_select_out", "out");
 
-  static constexpr string_view DIM_WARNING =
+  static constexpr std::string_view DIM_WARNING =
       "Tensor too large or too many (> 12) dimensions";
   at::assert_no_internal_overlap(out);
   at::assert_no_overlap(out, self);

src/ATen/native/xpu/sycl/Indexing.cpp

@@ -845,7 +845,7 @@ static inline void index_copy_impl(
     int64_t dim,
     const Tensor& indices,
     const Tensor& source) {
-  static constexpr string_view DIM_WARNING =
+  static constexpr std::string_view DIM_WARNING =
       "Tensor too large or too many (> 12) dimensions";
 
   TORCH_CHECK(dst.dim() <= XPU_MAX_TENSORINFO_DIMS, DIM_WARNING);