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Use MalformedLintAttributeInput in more places - #165029

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JonathanBrouwer:expected-lint
Nov 4, 2026
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rust-bors[bot] merged 3 commits into
rust-lang:mainfrom
JonathanBrouwer:expected-lint

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This makes the diagnostics prettier :3

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rustbot commented Oct 27, 2026

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Some changes occurred in compiler/rustc_attr_parsing

cc @jdonszelmann

@rustbot rustbot added A-attributes Area: Attributes (`#[…]`, `#![…]`) 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. labels Oct 27, 2026
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rustbot commented Oct 27, 2026

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r? @camelid

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@fmease fmease left a comment •

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r=me with nits addressed in one way or another
@bors rollup

View changes since this review

#[derive(Diagnostic)]
#[diag("expected a lint, found literal")]
pub(crate) struct BadAttributeLit {
#[diag("malformed `{$kind}` attribute input")]

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Interestingly, this new phrasing is very close again to the phrasing used on stable & beta where it's malformed lint attribute input.

Ah, looking at the blame, this was changed by PR #164486 about 2 weeks ago under your review :D

@JonathanBrouwer JonathanBrouwer Nov 3, 2026 •

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Yeah I realized after merging that, that tho the PR is a big improvement, I didn't really like the new diagnostic titles :p
The ones this PR changes them to are consistent with other attributes

@fmease fmease assigned fmease and unassigned camelid Nov 3, 2026
@fmease fmease added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Nov 3, 2026
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@bors r=fmease

@rustbot rustbot removed the S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. label Nov 3, 2026
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📋 Only open, non-draft PRs can be approved.

@rustbot rustbot added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Nov 3, 2026
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JonathanBrouwer commented Nov 3, 2026 •

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Ugh I'm very good at clicking buttons, especially the wrong ones
@bors r=fmease

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📌 Commit cdc3205 has been tentatively approved by fmease

It will be put into the queue for this repository once PR CI succeeds.

@rust-bors rust-bors Bot 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 Nov 3, 2026
@fmease fmease changed the title Use ExpectedLint in more places Use MalformedLintAttributeInput in more places Nov 3, 2026
JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request Nov 3, 2026
…mease

Use `MalformedLintAttributeInput` in more places

This makes the diagnostics prettier :3
JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request Nov 3, 2026
…mease

Use `MalformedLintAttributeInput` in more places

This makes the diagnostics prettier :3
rust-bors Bot pushed a commit that referenced this pull request Nov 3, 2026
…uwer

Rollup of 15 pull requests

Successful merges:

 - #165378 (rustfmt subtree update (v1.12.0))
 - #149245 (Make inline attributes apply to the generated `poll` in async fn)
 - #164304 ([perf] Reuse CanonicalVarKinds if no new variables were added)
 - #165109 (Avoid building a region map when erasing bound regions)
 - #163393 (std: Use getexecpath() for current_exe() on OpenBSD)
 - #164896 (offload: pass the linked device image to the host pass)
 - #165358 (Reenable some cg_gcc tests that were disabled)
 - #165371 (Don't use `llvm_type` as the type of `static`s.)
 - #162232 (Replace `builtin #` with `k#`)
 - #162608 (Avoid oscillating line wrapping due to symbol indices)
 - #165029 (Use `MalformedLintAttributeInput` in more places)
 - #165203 (AIX: Implement TLS destructor guard in std and update dynamic-loading-cdylib test)
 - #165230 (Fix rigidity assertion ICE)
 - #165354 (Remove `AbiAlign`)
 - #165374 (Refactorings in preparation for the move trait)
JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request Nov 3, 2026
…mease

Use `MalformedLintAttributeInput` in more places

This makes the diagnostics prettier :3
rust-bors Bot pushed a commit that referenced this pull request Nov 3, 2026
…uwer

Rollup of 14 pull requests

Successful merges:

 - #165378 (rustfmt subtree update (v1.12.0))
 - #149245 (Make inline attributes apply to the generated `poll` in async fn)
 - #164304 ([perf] Reuse CanonicalVarKinds if no new variables were added)
 - #165109 (Avoid building a region map when erasing bound regions)
 - #163393 (std: Use getexecpath() for current_exe() on OpenBSD)
 - #164896 (offload: pass the linked device image to the host pass)
 - #165358 (Reenable some cg_gcc tests that were disabled)
 - #165371 (Don't use `llvm_type` as the type of `static`s.)
 - #162232 (Replace `builtin #` with `k#`)
 - #162608 (Avoid oscillating line wrapping due to symbol indices)
 - #165029 (Use `MalformedLintAttributeInput` in more places)
 - #165203 (AIX: Implement TLS destructor guard in std and update dynamic-loading-cdylib test)
 - #165230 (Fix rigidity assertion ICE)
 - #165374 (Refactorings in preparation for the move trait)
JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request Nov 3, 2026
…mease

Use `MalformedLintAttributeInput` in more places

This makes the diagnostics prettier :3
rust-bors Bot pushed a commit that referenced this pull request Nov 3, 2026
…uwer

Rollup of 14 pull requests

Successful merges:

 - #149245 (Make inline attributes apply to the generated `poll` in async fn)
 - #164304 ([perf] Reuse CanonicalVarKinds if no new variables were added)
 - #165109 (Avoid building a region map when erasing bound regions)
 - #163393 (std: Use getexecpath() for current_exe() on OpenBSD)
 - #164896 (offload: pass the linked device image to the host pass)
 - #165358 (Reenable some cg_gcc tests that were disabled)
 - #165371 (Don't use `llvm_type` as the type of `static`s.)
 - #162232 (Replace `builtin #` with `k#`)
 - #162608 (Avoid oscillating line wrapping due to symbol indices)
 - #164241 (make the safety documentation consistent in Ptr module)
 - #165029 (Use `MalformedLintAttributeInput` in more places)
 - #165203 (AIX: Implement TLS destructor guard in std and update dynamic-loading-cdylib test)
 - #165230 (Fix rigidity assertion ICE)
 - #165374 (Refactorings in preparation for the move trait)
JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request Nov 3, 2026
…mease

Use `MalformedLintAttributeInput` in more places

This makes the diagnostics prettier :3
rust-bors Bot pushed a commit that referenced this pull request Nov 3, 2026
…uwer

Rollup of 13 pull requests

Successful merges:

 - #149245 (Make inline attributes apply to the generated `poll` in async fn)
 - #164304 ([perf] Reuse CanonicalVarKinds if no new variables were added)
 - #165109 (Avoid building a region map when erasing bound regions)
 - #163393 (std: Use getexecpath() for current_exe() on OpenBSD)
 - #165358 (Reenable some cg_gcc tests that were disabled)
 - #165371 (Don't use `llvm_type` as the type of `static`s.)
 - #162232 (Replace `builtin #` with `k#`)
 - #162608 (Avoid oscillating line wrapping due to symbol indices)
 - #164241 (make the safety documentation consistent in Ptr module)
 - #165029 (Use `MalformedLintAttributeInput` in more places)
 - #165203 (AIX: Implement TLS destructor guard in std and update dynamic-loading-cdylib test)
 - #165230 (Fix rigidity assertion ICE)
 - #165374 (Refactorings in preparation for the move trait)
JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request Nov 3, 2026
…mease

Use `MalformedLintAttributeInput` in more places

This makes the diagnostics prettier :3
rust-bors Bot pushed a commit that referenced this pull request Nov 3, 2026
…uwer

Rollup of 20 pull requests

Successful merges:

 - #149245 (Make inline attributes apply to the generated `poll` in async fn)
 - #163495 (Parallelize AST -> HIR lowering)
 - #164304 ([perf] Reuse CanonicalVarKinds if no new variables were added)
 - #165109 (Avoid building a region map when erasing bound regions)
 - #163393 (std: Use getexecpath() for current_exe() on OpenBSD)
 - #163625 (Add a lint helper attribute namespace )
 - #164414 (Add `let_underscore_drop_guard` lint.)
 - #165342 (Avoid unnecessary MIR traversals in CheckPackedRef lint)
 - #165351 (delegation: insert probing adjustments before args check adjustments)
 - #165358 (Reenable some cg_gcc tests that were disabled)
 - #165377 (Make `no_implicit_prelude` not suppress tool attributes)
 - #165397 (Add codegen test for unused match arms removed after inlining)
 - #165398 (Rework parallel reproducibility tests)
 - #162608 (Avoid oscillating line wrapping due to symbol indices)
 - #164241 (make the safety documentation consistent in Ptr module)
 - #165029 (Use `MalformedLintAttributeInput` in more places)
 - #165203 (AIX: Implement TLS destructor guard in std and update dynamic-loading-cdylib test)
 - #165230 (Fix rigidity assertion ICE)
 - #165293 (unstable-book: update default-visibility.md to link to tracking issue)
 - #165374 (Refactorings in preparation for the move trait)
JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request Nov 3, 2026
…mease

Use `MalformedLintAttributeInput` in more places

This makes the diagnostics prettier :3
rust-bors Bot pushed a commit that referenced this pull request Nov 3, 2026
…uwer

Rollup of 21 pull requests

Successful merges:

 - #165416 (fix unsoundness when compiling `[diverging_const; 0]`)
 - #149245 (Make inline attributes apply to the generated `poll` in async fn)
 - #163495 (Parallelize AST -> HIR lowering)
 - #164304 ([perf] Reuse CanonicalVarKinds if no new variables were added)
 - #165109 (Avoid building a region map when erasing bound regions)
 - #163393 (std: Use getexecpath() for current_exe() on OpenBSD)
 - #163625 (Add a lint helper attribute namespace )
 - #164414 (Add `let_underscore_drop_guard` lint.)
 - #165342 (Avoid unnecessary MIR traversals in CheckPackedRef lint)
 - #165351 (delegation: insert probing adjustments before args check adjustments)
 - #165358 (Reenable some cg_gcc tests that were disabled)
 - #165377 (Make `no_implicit_prelude` not suppress tool attributes)
 - #165397 (Add codegen test for unused match arms removed after inlining)
 - #165398 (Rework parallel reproducibility tests)
 - #162608 (Avoid oscillating line wrapping due to symbol indices)
 - #164241 (make the safety documentation consistent in Ptr module)
 - #165029 (Use `MalformedLintAttributeInput` in more places)
 - #165203 (AIX: Implement TLS destructor guard in std and update dynamic-loading-cdylib test)
 - #165230 (Fix rigidity assertion ICE)
 - #165293 (unstable-book: update default-visibility.md to link to tracking issue)
 - #165374 (Refactorings in preparation for the move trait)
JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request Nov 3, 2026
…mease

Use `MalformedLintAttributeInput` in more places

This makes the diagnostics prettier :3
rust-bors Bot pushed a commit that referenced this pull request Nov 3, 2026
…uwer

Rollup of 20 pull requests

Successful merges:

 - #149245 (Make inline attributes apply to the generated `poll` in async fn)
 - #163495 (Parallelize AST -> HIR lowering)
 - #164304 ([perf] Reuse CanonicalVarKinds if no new variables were added)
 - #165109 (Avoid building a region map when erasing bound regions)
 - #163393 (std: Use getexecpath() for current_exe() on OpenBSD)
 - #163625 (Add a lint helper attribute namespace )
 - #164414 (Add `let_underscore_drop_guard` lint.)
 - #165342 (Avoid unnecessary MIR traversals in CheckPackedRef lint)
 - #165351 (delegation: insert probing adjustments before args check adjustments)
 - #165358 (Reenable some cg_gcc tests that were disabled)
 - #165377 (Make `no_implicit_prelude` not suppress tool attributes)
 - #165397 (Add codegen test for unused match arms removed after inlining)
 - #165398 (Rework parallel reproducibility tests)
 - #162608 (Avoid oscillating line wrapping due to symbol indices)
 - #164241 (make the safety documentation consistent in Ptr module)
 - #165029 (Use `MalformedLintAttributeInput` in more places)
 - #165203 (AIX: Implement TLS destructor guard in std and update dynamic-loading-cdylib test)
 - #165230 (Fix rigidity assertion ICE)
 - #165293 (unstable-book: update default-visibility.md to link to tracking issue)
 - #165374 (Refactorings in preparation for the move trait)
rust-bors Bot pushed a commit that referenced this pull request Nov 3, 2026
…uwer

Rollup of 22 pull requests

Successful merges:

 - #149245 (Make inline attributes apply to the generated `poll` in async fn)
 - #164304 ([perf] Reuse CanonicalVarKinds if no new variables were added)
 - #165109 (Avoid building a region map when erasing bound regions)
 - #163393 (std: Use getexecpath() for current_exe() on OpenBSD)
 - #163625 (Add a lint helper attribute namespace )
 - #164414 (Add `let_underscore_drop_guard` lint.)
 - #165342 (Avoid unnecessary MIR traversals in CheckPackedRef lint)
 - #165351 (delegation: insert probing adjustments before args check adjustments)
 - #165358 (Reenable some cg_gcc tests that were disabled)
 - #165377 (Make `no_implicit_prelude` not suppress tool attributes)
 - #165397 (Add codegen test for unused match arms removed after inlining)
 - #165398 (Rework parallel reproducibility tests)
 - #162232 (Replace `builtin #` with `k#`)
 - #162608 (Avoid oscillating line wrapping due to symbol indices)
 - #164241 (make the safety documentation consistent in Ptr module)
 - #164258 (clarify when `Vec::into_boxed_slice()` is in-place)
 - #165029 (Use `MalformedLintAttributeInput` in more places)
 - #165203 (AIX: Implement TLS destructor guard in std and update dynamic-loading-cdylib test)
 - #165230 (Fix rigidity assertion ICE)
 - #165293 (unstable-book: update default-visibility.md to link to tracking issue)
 - #165374 (Refactorings in preparation for the move trait)
 - #165421 (another Enzyme submodule update for nested autodiff)
@rust-bors
rust-bors Bot merged commit b6d996c into rust-lang:main Nov 4, 2026
14 of 15 checks passed
@rustbot rustbot added this to the 1.101.0 milestone Nov 4, 2026
rust-bors Bot pushed a commit that referenced this pull request Nov 4, 2026
Rollup merge of #165029 - JonathanBrouwer:expected-lint, r=fmease

Use `MalformedLintAttributeInput` in more places

This makes the diagnostics prettier :3
RalfJung pushed a commit to RalfJung/miri that referenced this pull request Nov 4, 2026
…uwer

Rollup of 22 pull requests

Successful merges:

 - rust-lang/rust#149245 (Make inline attributes apply to the generated `poll` in async fn)
 - rust-lang/rust#164304 ([perf] Reuse CanonicalVarKinds if no new variables were added)
 - rust-lang/rust#165109 (Avoid building a region map when erasing bound regions)
 - rust-lang/rust#163393 (std: Use getexecpath() for current_exe() on OpenBSD)
 - rust-lang/rust#163625 (Add a lint helper attribute namespace )
 - rust-lang/rust#164414 (Add `let_underscore_drop_guard` lint.)
 - rust-lang/rust#165342 (Avoid unnecessary MIR traversals in CheckPackedRef lint)
 - rust-lang/rust#165351 (delegation: insert probing adjustments before args check adjustments)
 - rust-lang/rust#165358 (Reenable some cg_gcc tests that were disabled)
 - rust-lang/rust#165377 (Make `no_implicit_prelude` not suppress tool attributes)
 - rust-lang/rust#165397 (Add codegen test for unused match arms removed after inlining)
 - rust-lang/rust#165398 (Rework parallel reproducibility tests)
 - rust-lang/rust#162232 (Replace `builtin #` with `k#`)
 - rust-lang/rust#162608 (Avoid oscillating line wrapping due to symbol indices)
 - rust-lang/rust#164241 (make the safety documentation consistent in Ptr module)
 - rust-lang/rust#164258 (clarify when `Vec::into_boxed_slice()` is in-place)
 - rust-lang/rust#165029 (Use `MalformedLintAttributeInput` in more places)
 - rust-lang/rust#165203 (AIX: Implement TLS destructor guard in std and update dynamic-loading-cdylib test)
 - rust-lang/rust#165230 (Fix rigidity assertion ICE)
 - rust-lang/rust#165293 (unstable-book: update default-visibility.md to link to tracking issue)
 - rust-lang/rust#165374 (Refactorings in preparation for the move trait)
 - rust-lang/rust#165421 (another Enzyme submodule update for nested autodiff)
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