[clang] [llvm] [Driver][SYCL] Add initial SYCL offload compilation support (PR #117268)

[Fangrui Song via llvm-commits]

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@@ -0,0 +1,52 @@
+///
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MaskRay wrote:

Thanks for adding a file-level comment. We just write `/// xxxx` instead of `///\n/// xxxx\n///`

https://github.com/llvm/llvm-project/pull/117268