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authorbors <bors@rust-lang.org>2018-11-02 12:45:03 +0000
committerbors <bors@rust-lang.org>2018-11-02 12:45:03 +0000
commit87a3c1ee7016bbfb782f2fd8adc75b46687ef929 (patch)
treed1f5ce96602af0244456e01139806980d7730c8b /src/libsyntax/parse
parentd0c869c323289c5ec4df83e1c9091fa0b3e2fc07 (diff)
parentd10304eeb5c9e63597b9ee1094aca0f63c4f31ca (diff)
downloadrust-87a3c1ee7016bbfb782f2fd8adc75b46687ef929.tar.gz
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Auto merge of #55316 - RalfJung:retagging, r=oli-obk
Add Retagging statements

This adds a `Retag` statement kind to MIR, used to perform the retagging operation from [Stacked Borrows](https://www.ralfj.de/blog/2018/08/07/stacked-borrows.html). It also kills the old `Validate` statements that I added last year.

NOTE: This includes https://github.com/rust-lang/rust/pull/55270. Only [these commits are new](https://github.com/RalfJung/rust/compare/stacked-borrows-ng...RalfJung:retagging).
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