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Rollup of 5 pull requests - #70807
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also add smoke test to detect relocation even in rustc runs
…nieu Fix some aliasing issues in Vec `Vec::extend` and `Vec::truncate` invalidated references into the vector even without reallocation, because they (implicitly) created a mutable reference covering the *entire* initialized part of the vector. Fixesrust-lang#70301 I verified the fix by adding some new tests here that I ran in Miri.
docs: make the description of Result::map_or more clear The documentation of [`Result::map_or`](https://doc.rust-lang.org/std/result/enum.Result.html#method.map_or) is very unclear and confusing, probably because it was copied straight from [`Option::map_or`](https://doc.rust-lang.org/std/option/enum.Option.html#method.map_or) and someone forgot to adapt it for Result.
Miri: remove an outdated FIXME We even [have a test ](https://github.com/rust-lang/rust/blob/49dc2f9f091748beb1a8a9d5b3eb3bbe7362c3bd/src/test/ui/consts/miri_unleashed/drop.rs) making sure that we detect dropping with a non-const implementation. r? @oli-obk
…ekmann clarify comment in RawVec::into_box On first reading I almost thought "len <= cap" would be all that there is to check here. Expand the comment to clarify that that is not the case.
…ddyb fix Miri assignment sanity check Thanks @eddyb for pointing me to the right APIs! r? @eddybFixesrust-lang#70804
Dylan-DPC-zz
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Apr 5, 2020
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@bors r+ p=5 rollup=never |
bors
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Apr 5, 2020
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📌 Commit 31b8d65 has been approved by |
bors
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Apr 5, 2020
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bors
commented
Apr 5, 2020
Collaborator
☀️ Test successful - checks-azure |
rust-highfive
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Apr 5, 2020
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Apr 5, 2020
Tested on commit rust-lang/rust@e6cef04. Direct link to PR: <rust-lang/rust#70807> 🎉 rls on linux: test-fail → test-pass (cc @Xanewok).
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r? @ghost