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Clarify that raw retags are not permitted in Mir #106012

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Merged
merged 2 commits into from
Dec 22, 2022
Merged

Clarify that raw retags are not permitted in Mir #106012

merged 2 commits into from
Dec 22, 2022

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JakobDegen
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Not sure when this changed, but documentation and the validator needed to be updated. This also removes raw retags from custom mir.

cc rust-lang/miri#2735

r? @RalfJung

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-libs Relevant to the library team, which will review and decide on the PR/issue. labels Dec 21, 2022
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rustbot commented Dec 21, 2022

This PR changes MIR

cc @oli-obk, @RalfJung, @JakobDegen, @davidtwco, @celinval, @vakaras

Hey! It looks like you've submitted a new PR for the library teams!

If this PR contains changes to any rust-lang/rust public library APIs then please comment with @rustbot label +T-libs-api -T-libs to tag it appropriately. If this PR contains changes to any unstable APIs please edit the PR description to add a link to the relevant API Change Proposal or create one if you haven't already. If you're unsure where your change falls no worries, just leave it as is and the reviewer will take a look and make a decision to forward on if necessary.

Examples of T-libs-api changes:

  • Stabilizing library features
  • Introducing insta-stable changes such as new implementations of existing stable traits on existing stable types
  • Introducing new or changing existing unstable library APIs (excluding permanently unstable features / features without a tracking issue)
  • Changing public documentation in ways that create new stability guarantees
  • Changing observable runtime behavior of library APIs

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This changed fairly recently, in #105317.

RalfJung
RalfJung reviewed Dec 21, 2022
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@RalfJung
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Thanks!
@bors r+

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bors commented Dec 21, 2022

📌 Commit 7c4c620 has been approved by RalfJung

It is now in the queue for this repository.

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Dec 21, 2022
@matthiaskrgr matthiaskrgr mentioned this pull request Dec 22, 2022
Merged
bors added a commit to rust-lang-ci/rust that referenced this pull request Dec 22, 2022
@bors
Auto merge of rust-lang#106025 - matthiaskrgr:rollup-vz5rqah, r=matth…
75f4ee8 
…iaskrgr

Rollup of 6 pull requests

Successful merges:

 - rust-lang#105837 (Don't ICE in `check_must_not_suspend_ty` for mismatched tuple arity)
 - rust-lang#105932 (Correct branch-protection ModFlagBehavior for Aarch64 on LLVM-15)
 - rust-lang#105960 (Various cleanups)
 - rust-lang#105985 (Method chain nitpicks)
 - rust-lang#105996 (Test that async blocks are `UnwindSafe`)
 - rust-lang#106012 (Clarify that raw retags are not permitted in Mir)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit d0d0ccd into rust-lang:master Dec 22, 2022
@rustbot rustbot added this to the 1.68.0 milestone Dec 22, 2022
@RalfJung RalfJung mentioned this pull request Dec 22, 2022
Closed
@JakobDegen JakobDegen deleted the retag-raw branch January 1, 2023 21:27
Aaron1011 pushed a commit to Aaron1011/rust that referenced this pull request Jan 6, 2023
@bors
Auto merge of rust-lang#106025 - matthiaskrgr:rollup-vz5rqah, r=matth…
1ad16cd 
…iaskrgr

Rollup of 6 pull requests

Successful merges:

 - rust-lang#105837 (Don't ICE in `check_must_not_suspend_ty` for mismatched tuple arity)
 - rust-lang#105932 (Correct branch-protection ModFlagBehavior for Aarch64 on LLVM-15)
 - rust-lang#105960 (Various cleanups)
 - rust-lang#105985 (Method chain nitpicks)
 - rust-lang#105996 (Test that async blocks are `UnwindSafe`)
 - rust-lang#106012 (Clarify that raw retags are not permitted in Mir)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
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