[PATCH] D117087: [C++20] [Coroutines] Implement return value optimization for get_return_object

[Alkis Evlogimenos via Phabricator via cfe-commits]

alkis added a comment.
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Does this change the semantics of `get_return_value()` such that it is eagerly converted to R the return value of the coro? AFAIU before this change one could return T convertible to R and the conversion would happen late - after `final_suspend`.


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  https://reviews.llvm.org/D117087/new/

https://reviews.llvm.org/D117087