borrowck: aliasability violation with closure captures can happen #21691
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It was considered to be impossible but actually it can happen for nested closures. Also, because there must be nested closures when this happens, we can use more targeted help message. Closes rust-lang#21390 Closes rust-lang#21600
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It was considered to be impossible but actually it can
happen for nested closures. Also, because there must
be nested closures when this happens, we can use more
targeted help message.
Closes #21390
Closes #21600