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Remove wrong UnusedBraces lint for iterator loop in edition 2024 - #162181

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rust-bors[bot] merged 2 commits into
rust-lang:mainfrom
chenyukang:yukang-fix-160741-unused-braces-for-iterator
Sep 3, 2026
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Remove wrong UnusedBraces lint for iterator loop in edition 2024 #162181
rust-bors[bot] merged 2 commits into
rust-lang:mainfrom
chenyukang:yukang-fix-160741-unused-braces-for-iterator

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@chenyukang

@chenyukang chenyukang commented Sep 2, 2026

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Fixes #160741

There are false negative for this fix, but since this is an early lint, seems we don't have a good way for better filter.

@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. labels Sep 2, 2026
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rustbot commented Sep 2, 2026

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r? @mati865

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@jieyouxu jieyouxu left a comment

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Yeah, being conservative here seems better. You can r=me once PR CI is 🍏

Thanks
r? me

View changes since this review

@rustbot rustbot assigned jieyouxu and unassigned mati865 Sep 2, 2026
@jieyouxu jieyouxu added the L-unused_braces Lint: unused_braces label Sep 2, 2026
@chenyukang

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@bors r=jieyouxu

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rust-bors Bot commented Sep 2, 2026

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📌 Commit fa18a90 has been approved by jieyouxu

It is now in the queue for this repository.

@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 Sep 2, 2026
Zalathar added a commit to Zalathar/rust that referenced this pull request Sep 2, 2026
…d-braces-for-iterator, r=jieyouxu

Remove wrong UnusedBraces lint for iterator loop in edition 2024

Fixes rust-lang#160741

There are false negative for this fix, but since this is an early lint, seems we don't have a good way for better filter.
JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request Sep 2, 2026
…d-braces-for-iterator, r=jieyouxu

Remove wrong UnusedBraces lint for iterator loop in edition 2024

Fixes rust-lang#160741

There are false negative for this fix, but since this is an early lint, seems we don't have a good way for better filter.
JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request Sep 2, 2026
…d-braces-for-iterator, r=jieyouxu

Remove wrong UnusedBraces lint for iterator loop in edition 2024

Fixes rust-lang#160741

There are false negative for this fix, but since this is an early lint, seems we don't have a good way for better filter.
JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request Sep 2, 2026
…d-braces-for-iterator, r=jieyouxu

Remove wrong UnusedBraces lint for iterator loop in edition 2024

Fixes rust-lang#160741

There are false negative for this fix, but since this is an early lint, seems we don't have a good way for better filter.
rust-bors Bot pushed a commit that referenced this pull request Sep 2, 2026
…uwer

Rollup of 23 pull requests

Successful merges:

 - #162164 (Revert "Implement Debug for C-like enums with a concatenated string")
 - #160564 (volatile: allow accesses to non-AM memory to trap)
 - #161579 (suggest calling a fn item used as the iterator of a `for` loop)
 - #162044 (coverage: Resolve spans to file-coordinates in a separate step)
 - #162120 (Introduce `PerOwnerLoweringState`)
 - #162151 (Test itanium mangling of `f16` and `f128`)
 - #162162 (Don't special-case `!` in stability checks anymore)
 - #162181 (Remove wrong UnusedBraces lint for iterator loop in edition 2024 )
 - #162187 (Rename `thir::ExprKind::Use` to `ValueExpr`)
 - #158401 (mgca: Don't ICE when evaluating ValTrees that contain error constants)
 - #159873 (fuchsia: Add safestack as a supported sanitizer for x86_64 fuchsia)
 - #161847 (Preserve visibility in nested macro import suggestions)
 - #161972 (Improve tests for `#[track_caller]` in async)
 - #162008 (Render the `box` pattern removal diagnostic more actionable & remove `box` expression recovery)
 - #162065 (std: don't reference `libc::O_NOFOLLOW` on VxWorks in `set_perm_nofollow`)
 - #162076 (docs(num): clarify conditions under which error occurs in `impl TryFrom<int> for int`)
 - #162152 (Revert "retrieve supported GCC targets from the sysroot")
 - #162153 (Prefer `LLVMGetVersion` for runtime info)
 - #162168 (fix ICE in project_goals/inherent)
 - #162171 (Explain LoongArch f16 NaN-boxing in inline asm)
 - #162173 (fix supposedly unreachable `bug!` being reachable)
 - #162191 (core: mark float `ClampBounds` methods as `#[inline]`)
 - #162199 (docs(time): clarify exact seconds for hour and minute)
GuillaumeGomez added a commit to GuillaumeGomez/rust that referenced this pull request Sep 2, 2026
…d-braces-for-iterator, r=jieyouxu

Remove wrong UnusedBraces lint for iterator loop in edition 2024

Fixes rust-lang#160741

There are false negative for this fix, but since this is an early lint, seems we don't have a good way for better filter.
rust-bors Bot pushed a commit that referenced this pull request Sep 3, 2026
Rollup of 23 pull requests

Successful merges:

 - #157808 (sanitizers: Implement support for the sanitize ignorelist)
 - #160564 (volatile: allow accesses to non-AM memory to trap)
 - #161579 (suggest calling a fn item used as the iterator of a `for` loop)
 - #162044 (coverage: Resolve spans to file-coordinates in a separate step)
 - #162120 (Introduce `PerOwnerLoweringState`)
 - #162151 (Test itanium mangling of `f16` and `f128`)
 - #162162 (Don't special-case `!` in stability checks anymore)
 - #162181 (Remove wrong UnusedBraces lint for iterator loop in edition 2024 )
 - #162187 (Rename `thir::ExprKind::Use` to `ValueExpr`)
 - #158401 (mgca: Don't ICE when evaluating ValTrees that contain error constants)
 - #159873 (fuchsia: Add safestack as a supported sanitizer for x86_64 fuchsia)
 - #161847 (Preserve visibility in nested macro import suggestions)
 - #161972 (Improve tests for `#[track_caller]` in async)
 - #162008 (Render the `box` pattern removal diagnostic more actionable & remove `box` expression recovery)
 - #162065 (std: don't reference `libc::O_NOFOLLOW` on VxWorks in `set_perm_nofollow`)
 - #162076 (docs(num): clarify conditions under which error occurs in `impl TryFrom<int> for int`)
 - #162152 (Revert "retrieve supported GCC targets from the sysroot")
 - #162153 (Prefer `LLVMGetVersion` for runtime info)
 - #162168 (fix ICE in project_goals/inherent)
 - #162171 (Explain LoongArch f16 NaN-boxing in inline asm)
 - #162173 (fix supposedly unreachable `bug!` being reachable)
 - #162191 (core: mark float `ClampBounds` methods as `#[inline]`)
 - #162199 (docs(time): clarify exact seconds for hour and minute)
Zalathar added a commit to Zalathar/rust that referenced this pull request Sep 3, 2026
…d-braces-for-iterator, r=jieyouxu

Remove wrong UnusedBraces lint for iterator loop in edition 2024

Fixes rust-lang#160741

There are false negative for this fix, but since this is an early lint, seems we don't have a good way for better filter.
rust-bors Bot pushed a commit that referenced this pull request Sep 3, 2026
Rollup of 29 pull requests

Successful merges:

 - #161694 (add `Complex` ABI run-make test)
 - #162014 (Move more `rustdoc-html` tests using `--test` into the right folder)
 - #162164 (Revert "Implement Debug for C-like enums with a concatenated string")
 - #160564 (volatile: allow accesses to non-AM memory to trap)
 - #161579 (suggest calling a fn item used as the iterator of a `for` loop)
 - #162044 (coverage: Resolve spans to file-coordinates in a separate step)
 - #162120 (Introduce `PerOwnerLoweringState`)
 - #162132 (std: improve safety documentation in UNIX stack overflow code)
 - #162151 (Test itanium mangling of `f16` and `f128`)
 - #162162 (Don't special-case `!` in stability checks anymore)
 - #162181 (Remove wrong UnusedBraces lint for iterator loop in edition 2024 )
 - #162187 (Rename `thir::ExprKind::Use` to `ValueExpr`)
 - #158401 (mgca: Don't ICE when evaluating ValTrees that contain error constants)
 - #159873 (fuchsia: Add safestack as a supported sanitizer for x86_64 fuchsia)
 - #161847 (Preserve visibility in nested macro import suggestions)
 - #161951 (Windows: add fallback if `canonicalize` fails)
 - #161972 (Improve tests for `#[track_caller]` in async)
 - #162008 (Render the `box` pattern removal diagnostic more actionable & remove `box` expression recovery)
 - #162065 (std: don't reference `libc::O_NOFOLLOW` on VxWorks in `set_perm_nofollow`)
 - #162076 (docs(num): clarify conditions under which error occurs in `impl TryFrom<int> for int`)
 - #162152 (Revert "retrieve supported GCC targets from the sysroot")
 - #162153 (Prefer `LLVMGetVersion` for runtime info)
 - #162168 (fix ICE in project_goals/inherent)
 - #162171 (Explain LoongArch f16 NaN-boxing in inline asm)
 - #162173 (fix supposedly unreachable `bug!` being reachable)
 - #162180 (remove outdated next-solver FIXMEs)
 - #162191 (core: mark float `ClampBounds` methods as `#[inline]`)
 - #162195 (docs(time): clarify exact seconds for week and day)
 - #162199 (docs(time): clarify exact seconds for hour and minute)
rust-bors Bot pushed a commit that referenced this pull request Sep 3, 2026
…uwer

Rollup of 25 pull requests

Successful merges:

 - #161694 (add `Complex` ABI run-make test)
 - #162014 (Move more `rustdoc-html` tests using `--test` into the right folder)
 - #162164 (Revert "Implement Debug for C-like enums with a concatenated string")
 - #160564 (volatile: allow accesses to non-AM memory to trap)
 - #161579 (suggest calling a fn item used as the iterator of a `for` loop)
 - #162044 (coverage: Resolve spans to file-coordinates in a separate step)
 - #162120 (Introduce `PerOwnerLoweringState`)
 - #162132 (std: improve safety documentation in UNIX stack overflow code)
 - #162151 (Test itanium mangling of `f16` and `f128`)
 - #162162 (Don't special-case `!` in stability checks anymore)
 - #162181 (Remove wrong UnusedBraces lint for iterator loop in edition 2024 )
 - #162187 (Rename `thir::ExprKind::Use` to `ValueExpr`)
 - #158401 (mgca: Don't ICE when evaluating ValTrees that contain error constants)
 - #159873 (fuchsia: Add safestack as a supported sanitizer for x86_64 fuchsia)
 - #161135 (Add `f16` and `f128` inline ASM support for PowerPC)
 - #161847 (Preserve visibility in nested macro import suggestions)
 - #161972 (Improve tests for `#[track_caller]` in async)
 - #162008 (Render the `box` pattern removal diagnostic more actionable & remove `box` expression recovery)
 - #162065 (std: don't reference `libc::O_NOFOLLOW` on VxWorks in `set_perm_nofollow`)
 - #162076 (docs(num): clarify conditions under which error occurs in `impl TryFrom<int> for int`)
 - #162111 (Update mailmap for Will Crichton and Petr Hosek)
 - #162152 (Revert "retrieve supported GCC targets from the sysroot")
 - #162153 (Prefer `LLVMGetVersion` for runtime info)
 - #162168 (fix ICE in project_goals/inherent)
 - #162171 (Explain LoongArch f16 NaN-boxing in inline asm)
@rust-bors
rust-bors Bot merged commit 6f5c8be into rust-lang:main Sep 3, 2026
13 checks passed
@rustbot rustbot added this to the 1.100.0 milestone Sep 3, 2026
rust-bors Bot pushed a commit that referenced this pull request Sep 3, 2026
Rollup merge of #162181 - chenyukang:yukang-fix-160741-unused-braces-for-iterator, r=jieyouxu

Remove wrong UnusedBraces lint for iterator loop in edition 2024

Fixes #160741

There are false negative for this fix, but since this is an early lint, seems we don't have a good way for better filter.
@rust-timer

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Note

This PR was benchmarked as part of triage of its containing rollup: triage URL.

Finished benchmarking commit (8dcf23a): comparison URL.

Overall result: no relevant changes - no action needed

@rustbot label: -perf-regression

Instruction count

This perf run didn't have relevant results for this metric.

Max RSS (memory usage)

This perf run didn't have relevant results for this metric.

Cycles

This perf run didn't have relevant results for this metric.

Binary size

This perf run didn't have relevant results for this metric.

Bootstrap: missing data
Artifact size: 401.86 MiB -> 401.02 MiB (-0.21%)

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L-unused_braces Lint: unused_braces S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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Successfully merging this pull request may close these issues.

"unnecessary braces around for iterator expression" have effect on program behavior

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