Rustup for retagging#506

Merged

RalfJung merged 15 commits intomasterfrom rustup

Nov 3, 2018

+671-354

Commits on Nov 1, 2018

make the -Z flags we use more consistent
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stub Retag hook; fix tests for removal of -Zmir-emit-validate
RalfJung
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basic retagging (no fn_entry); this also makes us catch more bugs even with optimizations and we can finally stop mutating the state on deref
RalfJung
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unify checks on memory access and reborrowing, and update for Machine trait change
RalfJung
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start collecting some things ALLOWED by stacked borrows in a run-pass test
RalfJung
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More extensive slice and vec tests
RalfJung
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put all the logic into reactivatable()
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rename RefKind to UsageKind, because it not only used for references now
RalfJung
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use crate:: import to make edition port easier later
RalfJung
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Commits on Nov 2, 2018

Merge remote-tracking branch 'origin/master' into rustup
RalfJung
committed