Tracking issue for RFC 2397, "#[do_not_recommend]" #51992

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1. Centril

   added

   A-diagnosticsArea: Messages for errors, warnings, and lintsArea: Messages for errors, warnings, and lints

   A-trait-systemArea: Trait systemArea: Trait system

   B-RFC-approvedBlocker: Approved by a merged RFC but not yet implemented.Blocker: Approved by a merged RFC but not yet implemented.

   T-langRelevant to the language teamRelevant to the language team

   C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

   WG-compiler-traits

   on Jul 2, 2018
2. cramertj

   added

   T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

   on Jul 2, 2018
3. nagisa commented on Jul 2, 2018

   

   nagisa

   on Jul 2, 2018

   Member

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   Minor question. Presuming we implement this, and later change diagnostics in ways that make this attribute unnecessary/harmful, what would the plan of action be then?

   Does this attribute essentially encode some particular format of these specific errors?

   👍React with 👍1Reacted by varkor
4. Centril commented on Jul 2, 2018

   

   Centril

   on Jul 2, 2018

   ContributorAuthor

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   @nagisa in that hypothetical situation, deprecate the attribute perhaps?
5. joshtriplett

   added

   S-tracking-unimplementedStatus: The feature has not been implemented.Status: The feature has not been implemented.

   on May 11, 2022
6. scottmcm commented on May 11, 2022

   

   scottmcm

   on May 11, 2022

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   This came up in T-lang's backlog bonanza today. With no progress on this for years, it's not clear to us that this is still the right way forward here.

   @estebank, do you have any thoughts on this one? Perhaps it would be better rolled into the idea you brought up in https://internals.rust-lang.org/t/stable-diagnostic-affecting-attribute-with-unstable-api/16368?u=scottmcm?
7. jackh726

   added

   WG-diagnosticsWorking group: DiagnosticsWorking group: Diagnostics

   and removed

   WG-traits

   on Jun 24, 2022
8. JohnTitor

   added 2 commits that reference this issue on Jan 11, 2023

   Rollup merge of rust-lang#106645 - c410-f3r:rfc-2397-1, r=oli-obk

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   e078d82

   Rollup merge of rust-lang#106716 - c410-f3r:rfc-2397-1, r=davidtwco

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   f6f362c
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10. github-actions

    added 7 commits that reference this issue on Feb 20, 2025

    Stabilize `#[diagnostic::do_not_recommend]`

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    This issue will close once commit 270ee92 is merged into the 'main' branch.

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    This issue will close once commit dadd8aa is merged into the 'main' branch.

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    This issue will close once commit 70eb45f is merged into the 'main' branch.

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    Stabilize `#[diagnostic::do_not_recommend]`

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    This issue will close once commit cf6434b is merged into the 'main' branch.

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    Stabilize `#[diagnostic::do_not_recommend]`

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    This issue will close once commit 23302ae is merged into the 'main' branch.

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    Stabilize `#[diagnostic::do_not_recommend]`

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11. github-actions

    added 8 commits that reference this issue on Mar 3, 2025

    Stabilize `#[diagnostic::do_not_recommend]`

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    This issue will close once commit f9c0b8e is merged into the 'main' branch.

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    Stabilize `#[diagnostic::do_not_recommend]`

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    This issue will close once commit afe027b is merged into the 'main' branch.

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    Stabilize `#[diagnostic::do_not_recommend]`

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    This issue will close once commit b66d166 is merged into the 'main' branch.

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    Stabilize `#[diagnostic::do_not_recommend]`

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    This issue will close once commit 03af162 is merged into the 'main' branch.

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    Stabilize `#[diagnostic::do_not_recommend]`

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    This issue will close once commit 144dea3 is merged into the 'main' branch.

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    Stabilize `#[diagnostic::do_not_recommend]`

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    Stabilize `#[diagnostic::do_not_recommend]`

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    Rollup merge of rust-lang#132056 - weiznich:diagnostic_do_not_recomme…

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    This issue will close once commit 589340b is merged into the 'main' branch.

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