[clang] [coroutines] Introduce [[clang::coro_return_type]] and [[clang::coro_wrapper]] (PR #71945)

[Utkarsh Saxena via cfe-commits]

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@@ -7482,3 +7482,54 @@ generation of the other destruction cases, optimizing the above `foo.destroy` to
 
   }];
 }
+
+
+def CoroReturnTypeAndWrapperDoc : Documentation {
+  let Category = DocCatDecl;
+  let Content = [{
+The ``coro_return_type`` attribute should be marked on a C++ class to mark it as
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usx95 wrote:

Fixed in another suggestion. Thanks.

https://github.com/llvm/llvm-project/pull/71945