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Auto merge of #87676 - sexxi-goose:truncate_unique, r=nikomatsakis
authorbors <bors@rust-lang.org>
Mon, 23 Aug 2021 17:27:23 +0000 (17:27 +0000)
committerbors <bors@rust-lang.org>
Mon, 23 Aug 2021 17:27:23 +0000 (17:27 +0000)
2229: Handle MutBorrow/UniqueImmBorrow better

We only want to use UniqueImmBorrow when the capture place is truncated and we
drop Deref of a MutRef.

r? `@nikomatsakis`

Fixes: https://github.com/rust-lang/project-rfc-2229/issues/56
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compiler/rustc_typeck/src/check/upvar.rs patch | diff1 | diff2 | blob | history

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