Chuanqi Xu 8849831d55 [Coroutines] Warning if return type of coroutine_handle::address is not void* ...

User can own a version of coroutine_handle::address() whose return type is not
void* by using template specialization for coroutine_handle<> for some
promise_type.

In this case, the codes may violate the capability with existing async C APIs
that accepted a void* data parameter which was then passed back to the
user-provided callback.

Patch by ChuanqiXu

Differential Revision: https://reviews.llvm.org/D82442

2020-07-06 13:46:01 +08:00

201 KiB

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