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Optimize path components iteration on platforms that don't have prefixes#148084

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the8472:prefixless-path-components-iter
Nov 9, 2025
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Optimize path components iteration on platforms that don't have prefixes#148084
bors merged 3 commits intorust-lang:masterfrom
the8472:prefixless-path-components-iter

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@the8472 the8472 commented Oct 24, 2025 •
edited
Loading 

OLD

path::bench_path_components_iter 140.20ns/iter +/- 6.08
path::bench_path_file_name 57.62ns/iter +/- 1.62

NEW

path::bench_path_components_iter 126.74ns/iter +/- 1.46
path::bench_path_file_name 47.48ns/iter +/- 2.49

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-libs Relevant to the library team, which will review and decide on the PR/issue. labels Oct 24, 2025
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rustbot commented Oct 24, 2025

r? @Mark-Simulacrum

rustbot has assigned @Mark-Simulacrum.
They will have a look at your PR within the next two weeks and either review your PR or reassign to another reviewer.

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@Kobzol
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Kobzol commented Oct 25, 2025

Nice! I was thinking about this when profiling rust-lang/glob#181, because it was clear that getting just the filename is unnecessary slow just becase .components() has to be called.

@the8472 the8472 force-pushed the prefixless-path-components-iter branch from 2ee6afb to 92dabe2 Compare October 25, 2025 11:59
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rustbot commented Oct 25, 2025

This PR was rebased onto a different master commit. Here's a range-diff highlighting what actually changed.

Rebasing is a normal part of keeping PRs up to date, so no action is needed—this note is just to help reviewers.

@the8472 the8472 force-pushed the prefixless-path-components-iter branch from 92dabe2 to d263ab3 Compare October 25, 2025 12:47
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the8472 commented Oct 25, 2025

it was clear that getting just the filename is unnecessary slow just becase .components() has to be called.

added a benchmark for getting filenames

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Mark-Simulacrum commented Nov 8, 2025

@bors r+ rollup=iffy

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bors commented Nov 8, 2025

📌 Commit d263ab3 has been approved by Mark-Simulacrum

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 Nov 8, 2025
@Zalathar Zalathar mentioned this pull request Nov 9, 2025
Merged
bors added a commit that referenced this pull request Nov 9, 2025
@bors
Auto merge of #148721 - Zalathar:rollup-398va3y, r=Zalathar
20f1c04 
Rollup of 22 pull requests

Successful merges:

 - #128666 (Add `overflow_checks` intrinsic)
 - #146305 (Add correct suggestion for multi-references for self type in method)
 - #147179 ([DebugInfo] Fix container types failing to find template args)
 - #147743 (Show packed field alignment in mir_transform_unaligned_packed_ref)
 - #148079 (Rename `downcast_[ref|mut]_unchecked` -> `downcast_unchecked_[ref|mut]`)
 - #148084 (Optimize path components iteration on platforms that don't have prefixes)
 - #148126 (Fix rust stdlib build failing for VxWorks)
 - #148204 (Modify contributor email entries in .mailmap)
 - #148279 (rustc_builtin_macros: rename bench parameter to avoid collisions with user-defined function names)
 - #148333 (constify result unwrap unchecked)
 - #148539 (Add Allocator proxy impls for Box, Rc, and Arc)
 - #148601 (`invalid_atomic_ordering`: also lint `update` & `try_update`)
 - #148612 (Add note for identifier with attempted hygiene violation)
 - #148613 (Switch hexagon targets to rust-lld)
 - #148619 (Enable std locking functions on AIX)
 - #148644 ([bootstrap] Make `--open` option work with `doc src/tools/error_index_generator`)
 - #148649 (don't completely reset `HeadUsages`)
 - #148673 (Remove a remnant of `dyn*` from the parser)
 - #148675 (Remove eslint-js from npm dependencies)
 - #148680 (Recover `[T: N]` as `[T; N]`)
 - #148688 (Remove unused argument `features` from `eval_config_entry`)
 - #148711 (Use the current lint note id when parsing `cfg!()`)

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit 1ad9e95 into rust-lang:master Nov 9, 2025
11 checks passed
@rustbot rustbot added this to the 1.93.0 milestone Nov 9, 2025
rust-timer added a commit that referenced this pull request Nov 9, 2025
@rust-timer
Unrolled build for #148084
190039d 
Rollup merge of #148084 - the8472:prefixless-path-components-iter, r=Mark-Simulacrum

Optimize path components iteration on platforms that don't have prefixes

```
OLD

path::bench_path_components_iter 140.20ns/iter +/- 6.08
path::bench_path_file_name 57.62ns/iter +/- 1.62

NEW

path::bench_path_components_iter 126.74ns/iter +/- 1.46
path::bench_path_file_name 47.48ns/iter +/- 2.49
```
github-actions bot pushed a commit to rust-lang/stdarch that referenced this pull request Nov 10, 2025
@bors
Auto merge of #148721 - Zalathar:rollup-398va3y, r=Zalathar
60bd03f 
Rollup of 22 pull requests

Successful merges:

 - rust-lang/rust#128666 (Add `overflow_checks` intrinsic)
 - rust-lang/rust#146305 (Add correct suggestion for multi-references for self type in method)
 - rust-lang/rust#147179 ([DebugInfo] Fix container types failing to find template args)
 - rust-lang/rust#147743 (Show packed field alignment in mir_transform_unaligned_packed_ref)
 - rust-lang/rust#148079 (Rename `downcast_[ref|mut]_unchecked` -> `downcast_unchecked_[ref|mut]`)
 - rust-lang/rust#148084 (Optimize path components iteration on platforms that don't have prefixes)
 - rust-lang/rust#148126 (Fix rust stdlib build failing for VxWorks)
 - rust-lang/rust#148204 (Modify contributor email entries in .mailmap)
 - rust-lang/rust#148279 (rustc_builtin_macros: rename bench parameter to avoid collisions with user-defined function names)
 - rust-lang/rust#148333 (constify result unwrap unchecked)
 - rust-lang/rust#148539 (Add Allocator proxy impls for Box, Rc, and Arc)
 - rust-lang/rust#148601 (`invalid_atomic_ordering`: also lint `update` & `try_update`)
 - rust-lang/rust#148612 (Add note for identifier with attempted hygiene violation)
 - rust-lang/rust#148613 (Switch hexagon targets to rust-lld)
 - rust-lang/rust#148619 (Enable std locking functions on AIX)
 - rust-lang/rust#148644 ([bootstrap] Make `--open` option work with `doc src/tools/error_index_generator`)
 - rust-lang/rust#148649 (don't completely reset `HeadUsages`)
 - rust-lang/rust#148673 (Remove a remnant of `dyn*` from the parser)
 - rust-lang/rust#148675 (Remove eslint-js from npm dependencies)
 - rust-lang/rust#148680 (Recover `[T: N]` as `[T; N]`)
 - rust-lang/rust#148688 (Remove unused argument `features` from `eval_config_entry`)
 - rust-lang/rust#148711 (Use the current lint note id when parsing `cfg!()`)

r? `@ghost`
`@rustbot` modify labels: rollup
github-actions bot pushed a commit to rust-lang/miri that referenced this pull request Nov 10, 2025
@bors
Auto merge of #148721 - Zalathar:rollup-398va3y, r=Zalathar
edcc64f 
Rollup of 22 pull requests

Successful merges:

 - rust-lang/rust#128666 (Add `overflow_checks` intrinsic)
 - rust-lang/rust#146305 (Add correct suggestion for multi-references for self type in method)
 - rust-lang/rust#147179 ([DebugInfo] Fix container types failing to find template args)
 - rust-lang/rust#147743 (Show packed field alignment in mir_transform_unaligned_packed_ref)
 - rust-lang/rust#148079 (Rename `downcast_[ref|mut]_unchecked` -> `downcast_unchecked_[ref|mut]`)
 - rust-lang/rust#148084 (Optimize path components iteration on platforms that don't have prefixes)
 - rust-lang/rust#148126 (Fix rust stdlib build failing for VxWorks)
 - rust-lang/rust#148204 (Modify contributor email entries in .mailmap)
 - rust-lang/rust#148279 (rustc_builtin_macros: rename bench parameter to avoid collisions with user-defined function names)
 - rust-lang/rust#148333 (constify result unwrap unchecked)
 - rust-lang/rust#148539 (Add Allocator proxy impls for Box, Rc, and Arc)
 - rust-lang/rust#148601 (`invalid_atomic_ordering`: also lint `update` & `try_update`)
 - rust-lang/rust#148612 (Add note for identifier with attempted hygiene violation)
 - rust-lang/rust#148613 (Switch hexagon targets to rust-lld)
 - rust-lang/rust#148619 (Enable std locking functions on AIX)
 - rust-lang/rust#148644 ([bootstrap] Make `--open` option work with `doc src/tools/error_index_generator`)
 - rust-lang/rust#148649 (don't completely reset `HeadUsages`)
 - rust-lang/rust#148673 (Remove a remnant of `dyn*` from the parser)
 - rust-lang/rust#148675 (Remove eslint-js from npm dependencies)
 - rust-lang/rust#148680 (Recover `[T: N]` as `[T; N]`)
 - rust-lang/rust#148688 (Remove unused argument `features` from `eval_config_entry`)
 - rust-lang/rust#148711 (Use the current lint note id when parsing `cfg!()`)

r? `@ghost`
`@rustbot` modify labels: rollup
makai410 pushed a commit to makai410/rustc_public that referenced this pull request Nov 10, 2025
@bors
Auto merge of #148721 - Zalathar:rollup-398va3y, r=Zalathar
f51f4eb 
Rollup of 22 pull requests

Successful merges:

 - rust-lang/rust#128666 (Add `overflow_checks` intrinsic)
 - rust-lang/rust#146305 (Add correct suggestion for multi-references for self type in method)
 - rust-lang/rust#147179 ([DebugInfo] Fix container types failing to find template args)
 - rust-lang/rust#147743 (Show packed field alignment in mir_transform_unaligned_packed_ref)
 - rust-lang/rust#148079 (Rename `downcast_[ref|mut]_unchecked` -> `downcast_unchecked_[ref|mut]`)
 - rust-lang/rust#148084 (Optimize path components iteration on platforms that don't have prefixes)
 - rust-lang/rust#148126 (Fix rust stdlib build failing for VxWorks)
 - rust-lang/rust#148204 (Modify contributor email entries in .mailmap)
 - rust-lang/rust#148279 (rustc_builtin_macros: rename bench parameter to avoid collisions with user-defined function names)
 - rust-lang/rust#148333 (constify result unwrap unchecked)
 - rust-lang/rust#148539 (Add Allocator proxy impls for Box, Rc, and Arc)
 - rust-lang/rust#148601 (`invalid_atomic_ordering`: also lint `update` & `try_update`)
 - rust-lang/rust#148612 (Add note for identifier with attempted hygiene violation)
 - rust-lang/rust#148613 (Switch hexagon targets to rust-lld)
 - rust-lang/rust#148619 (Enable std locking functions on AIX)
 - rust-lang/rust#148644 ([bootstrap] Make `--open` option work with `doc src/tools/error_index_generator`)
 - rust-lang/rust#148649 (don't completely reset `HeadUsages`)
 - rust-lang/rust#148673 (Remove a remnant of `dyn*` from the parser)
 - rust-lang/rust#148675 (Remove eslint-js from npm dependencies)
 - rust-lang/rust#148680 (Recover `[T: N]` as `[T; N]`)
 - rust-lang/rust#148688 (Remove unused argument `features` from `eval_config_entry`)
 - rust-lang/rust#148711 (Use the current lint note id when parsing `cfg!()`)

r? `@ghost`
`@rustbot` modify labels: rollup
makai410 pushed a commit to makai410/rust that referenced this pull request Nov 10, 2025
@Zalathar
Rollup merge of rust-lang#148084 - the8472:prefixless-path-components…
cbcf9fe 
…-iter, r=Mark-Simulacrum

Optimize path components iteration on platforms that don't have prefixes

```
OLD

path::bench_path_components_iter 140.20ns/iter +/- 6.08
path::bench_path_file_name 57.62ns/iter +/- 1.62

NEW

path::bench_path_components_iter 126.74ns/iter +/- 1.46
path::bench_path_file_name 47.48ns/iter +/- 2.49
```
makai410 pushed a commit to makai410/rust that referenced this pull request Nov 10, 2025
@bors
Auto merge of rust-lang#148721 - Zalathar:rollup-398va3y, r=Zalathar
0abc2cb 
Rollup of 22 pull requests

Successful merges:

 - rust-lang#128666 (Add `overflow_checks` intrinsic)
 - rust-lang#146305 (Add correct suggestion for multi-references for self type in method)
 - rust-lang#147179 ([DebugInfo] Fix container types failing to find template args)
 - rust-lang#147743 (Show packed field alignment in mir_transform_unaligned_packed_ref)
 - rust-lang#148079 (Rename `downcast_[ref|mut]_unchecked` -> `downcast_unchecked_[ref|mut]`)
 - rust-lang#148084 (Optimize path components iteration on platforms that don't have prefixes)
 - rust-lang#148126 (Fix rust stdlib build failing for VxWorks)
 - rust-lang#148204 (Modify contributor email entries in .mailmap)
 - rust-lang#148279 (rustc_builtin_macros: rename bench parameter to avoid collisions with user-defined function names)
 - rust-lang#148333 (constify result unwrap unchecked)
 - rust-lang#148539 (Add Allocator proxy impls for Box, Rc, and Arc)
 - rust-lang#148601 (`invalid_atomic_ordering`: also lint `update` & `try_update`)
 - rust-lang#148612 (Add note for identifier with attempted hygiene violation)
 - rust-lang#148613 (Switch hexagon targets to rust-lld)
 - rust-lang#148619 (Enable std locking functions on AIX)
 - rust-lang#148644 ([bootstrap] Make `--open` option work with `doc src/tools/error_index_generator`)
 - rust-lang#148649 (don't completely reset `HeadUsages`)
 - rust-lang#148673 (Remove a remnant of `dyn*` from the parser)
 - rust-lang#148675 (Remove eslint-js from npm dependencies)
 - rust-lang#148680 (Recover `[T: N]` as `[T; N]`)
 - rust-lang#148688 (Remove unused argument `features` from `eval_config_entry`)
 - rust-lang#148711 (Use the current lint note id when parsing `cfg!()`)

r? `@ghost`
`@rustbot` modify labels: rollup
@Kobzol Kobzol mentioned this pull request Nov 11, 2025
Merged
@Zalathar
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Zalathar commented Nov 11, 2025

This PR appears to have triggered the perf regressions observed in rollup at #148721 (comment).

@the8472
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the8472 commented Nov 11, 2025 •
edited
Loading

rust-lang/glob#181 (comment) shows some improvements at runtime.
Binary sizes are down.
One of the compile-time regressions is in cargo which works a lot with paths, so that's not very surprising.
Linker wall-time for cargo-opt-full more than doubling is surprising to me though.

@github-actions github-actions bot mentioned this pull request Nov 11, 2025
Open
makai410 pushed a commit to makai410/rustc_public that referenced this pull request Nov 16, 2025
@bors
Auto merge of #148721 - Zalathar:rollup-398va3y, r=Zalathar
e3bda2d 
Rollup of 22 pull requests

Successful merges:

 - rust-lang/rust#128666 (Add `overflow_checks` intrinsic)
 - rust-lang/rust#146305 (Add correct suggestion for multi-references for self type in method)
 - rust-lang/rust#147179 ([DebugInfo] Fix container types failing to find template args)
 - rust-lang/rust#147743 (Show packed field alignment in mir_transform_unaligned_packed_ref)
 - rust-lang/rust#148079 (Rename `downcast_[ref|mut]_unchecked` -> `downcast_unchecked_[ref|mut]`)
 - rust-lang/rust#148084 (Optimize path components iteration on platforms that don't have prefixes)
 - rust-lang/rust#148126 (Fix rust stdlib build failing for VxWorks)
 - rust-lang/rust#148204 (Modify contributor email entries in .mailmap)
 - rust-lang/rust#148279 (rustc_builtin_macros: rename bench parameter to avoid collisions with user-defined function names)
 - rust-lang/rust#148333 (constify result unwrap unchecked)
 - rust-lang/rust#148539 (Add Allocator proxy impls for Box, Rc, and Arc)
 - rust-lang/rust#148601 (`invalid_atomic_ordering`: also lint `update` & `try_update`)
 - rust-lang/rust#148612 (Add note for identifier with attempted hygiene violation)
 - rust-lang/rust#148613 (Switch hexagon targets to rust-lld)
 - rust-lang/rust#148619 (Enable std locking functions on AIX)
 - rust-lang/rust#148644 ([bootstrap] Make `--open` option work with `doc src/tools/error_index_generator`)
 - rust-lang/rust#148649 (don't completely reset `HeadUsages`)
 - rust-lang/rust#148673 (Remove a remnant of `dyn*` from the parser)
 - rust-lang/rust#148675 (Remove eslint-js from npm dependencies)
 - rust-lang/rust#148680 (Recover `[T: N]` as `[T; N]`)
 - rust-lang/rust#148688 (Remove unused argument `features` from `eval_config_entry`)
 - rust-lang/rust#148711 (Use the current lint note id when parsing `cfg!()`)

r? `@ghost`
`@rustbot` modify labels: rollup
github-actions bot pushed a commit to model-checking/verify-rust-std that referenced this pull request Nov 30, 2025
@Zalathar
Rollup merge of rust-lang#148084 - the8472:prefixless-path-components…
d4c4088 
…-iter, r=Mark-Simulacrum

Optimize path components iteration on platforms that don't have prefixes

```
OLD

path::bench_path_components_iter 140.20ns/iter +/- 6.08
path::bench_path_file_name 57.62ns/iter +/- 1.62

NEW

path::bench_path_components_iter 126.74ns/iter +/- 1.46
path::bench_path_file_name 47.48ns/iter +/- 2.49
```
github-actions bot pushed a commit to model-checking/verify-rust-std that referenced this pull request Nov 30, 2025
@bors
Auto merge of rust-lang#148721 - Zalathar:rollup-398va3y, r=Zalathar
ed369ff 
Rollup of 22 pull requests

Successful merges:

 - rust-lang#128666 (Add `overflow_checks` intrinsic)
 - rust-lang#146305 (Add correct suggestion for multi-references for self type in method)
 - rust-lang#147179 ([DebugInfo] Fix container types failing to find template args)
 - rust-lang#147743 (Show packed field alignment in mir_transform_unaligned_packed_ref)
 - rust-lang#148079 (Rename `downcast_[ref|mut]_unchecked` -> `downcast_unchecked_[ref|mut]`)
 - rust-lang#148084 (Optimize path components iteration on platforms that don't have prefixes)
 - rust-lang#148126 (Fix rust stdlib build failing for VxWorks)
 - rust-lang#148204 (Modify contributor email entries in .mailmap)
 - rust-lang#148279 (rustc_builtin_macros: rename bench parameter to avoid collisions with user-defined function names)
 - rust-lang#148333 (constify result unwrap unchecked)
 - rust-lang#148539 (Add Allocator proxy impls for Box, Rc, and Arc)
 - rust-lang#148601 (`invalid_atomic_ordering`: also lint `update` & `try_update`)
 - rust-lang#148612 (Add note for identifier with attempted hygiene violation)
 - rust-lang#148613 (Switch hexagon targets to rust-lld)
 - rust-lang#148619 (Enable std locking functions on AIX)
 - rust-lang#148644 ([bootstrap] Make `--open` option work with `doc src/tools/error_index_generator`)
 - rust-lang#148649 (don't completely reset `HeadUsages`)
 - rust-lang#148673 (Remove a remnant of `dyn*` from the parser)
 - rust-lang#148675 (Remove eslint-js from npm dependencies)
 - rust-lang#148680 (Recover `[T: N]` as `[T; N]`)
 - rust-lang#148688 (Remove unused argument `features` from `eval_config_entry`)
 - rust-lang#148711 (Use the current lint note id when parsing `cfg!()`)

r? `@ghost`
`@rustbot` modify labels: rollup
Kobzol pushed a commit to Kobzol/rustc_codegen_cranelift that referenced this pull request Dec 29, 2025
@bors
Auto merge of #148721 - Zalathar:rollup-398va3y, r=Zalathar
ffe4c39 
Rollup of 22 pull requests

Successful merges:

 - rust-lang/rust#128666 (Add `overflow_checks` intrinsic)
 - rust-lang/rust#146305 (Add correct suggestion for multi-references for self type in method)
 - rust-lang/rust#147179 ([DebugInfo] Fix container types failing to find template args)
 - rust-lang/rust#147743 (Show packed field alignment in mir_transform_unaligned_packed_ref)
 - rust-lang/rust#148079 (Rename `downcast_[ref|mut]_unchecked` -> `downcast_unchecked_[ref|mut]`)
 - rust-lang/rust#148084 (Optimize path components iteration on platforms that don't have prefixes)
 - rust-lang/rust#148126 (Fix rust stdlib build failing for VxWorks)
 - rust-lang/rust#148204 (Modify contributor email entries in .mailmap)
 - rust-lang/rust#148279 (rustc_builtin_macros: rename bench parameter to avoid collisions with user-defined function names)
 - rust-lang/rust#148333 (constify result unwrap unchecked)
 - rust-lang/rust#148539 (Add Allocator proxy impls for Box, Rc, and Arc)
 - rust-lang/rust#148601 (`invalid_atomic_ordering`: also lint `update` & `try_update`)
 - rust-lang/rust#148612 (Add note for identifier with attempted hygiene violation)
 - rust-lang/rust#148613 (Switch hexagon targets to rust-lld)
 - rust-lang/rust#148619 (Enable std locking functions on AIX)
 - rust-lang/rust#148644 ([bootstrap] Make `--open` option work with `doc src/tools/error_index_generator`)
 - rust-lang/rust#148649 (don't completely reset `HeadUsages`)
 - rust-lang/rust#148673 (Remove a remnant of `dyn*` from the parser)
 - rust-lang/rust#148675 (Remove eslint-js from npm dependencies)
 - rust-lang/rust#148680 (Recover `[T: N]` as `[T; N]`)
 - rust-lang/rust#148688 (Remove unused argument `features` from `eval_config_entry`)
 - rust-lang/rust#148711 (Use the current lint note id when parsing `cfg!()`)

r? `@ghost`
`@rustbot` modify labels: rollup
christian-schilling pushed a commit to christian-schilling/rustc_codegen_cranelift that referenced this pull request Jan 27, 2026
@bors
Auto merge of #148721 - Zalathar:rollup-398va3y, r=Zalathar
15b923d 
Rollup of 22 pull requests

Successful merges:

 - rust-lang/rust#128666 (Add `overflow_checks` intrinsic)
 - rust-lang/rust#146305 (Add correct suggestion for multi-references for self type in method)
 - rust-lang/rust#147179 ([DebugInfo] Fix container types failing to find template args)
 - rust-lang/rust#147743 (Show packed field alignment in mir_transform_unaligned_packed_ref)
 - rust-lang/rust#148079 (Rename `downcast_[ref|mut]_unchecked` -> `downcast_unchecked_[ref|mut]`)
 - rust-lang/rust#148084 (Optimize path components iteration on platforms that don't have prefixes)
 - rust-lang/rust#148126 (Fix rust stdlib build failing for VxWorks)
 - rust-lang/rust#148204 (Modify contributor email entries in .mailmap)
 - rust-lang/rust#148279 (rustc_builtin_macros: rename bench parameter to avoid collisions with user-defined function names)
 - rust-lang/rust#148333 (constify result unwrap unchecked)
 - rust-lang/rust#148539 (Add Allocator proxy impls for Box, Rc, and Arc)
 - rust-lang/rust#148601 (`invalid_atomic_ordering`: also lint `update` & `try_update`)
 - rust-lang/rust#148612 (Add note for identifier with attempted hygiene violation)
 - rust-lang/rust#148613 (Switch hexagon targets to rust-lld)
 - rust-lang/rust#148619 (Enable std locking functions on AIX)
 - rust-lang/rust#148644 ([bootstrap] Make `--open` option work with `doc src/tools/error_index_generator`)
 - rust-lang/rust#148649 (don't completely reset `HeadUsages`)
 - rust-lang/rust#148673 (Remove a remnant of `dyn*` from the parser)
 - rust-lang/rust#148675 (Remove eslint-js from npm dependencies)
 - rust-lang/rust#148680 (Recover `[T: N]` as `[T; N]`)
 - rust-lang/rust#148688 (Remove unused argument `features` from `eval_config_entry`)
 - rust-lang/rust#148711 (Use the current lint note id when parsing `cfg!()`)

r? `@ghost`
`@rustbot` modify labels: rollup
christian-schilling pushed a commit to christian-schilling/rustc_codegen_cranelift that referenced this pull request Jan 27, 2026
@bors
Auto merge of #148721 - Zalathar:rollup-398va3y, r=Zalathar
019445c 
Rollup of 22 pull requests

Successful merges:

 - rust-lang/rust#128666 (Add `overflow_checks` intrinsic)
 - rust-lang/rust#146305 (Add correct suggestion for multi-references for self type in method)
 - rust-lang/rust#147179 ([DebugInfo] Fix container types failing to find template args)
 - rust-lang/rust#147743 (Show packed field alignment in mir_transform_unaligned_packed_ref)
 - rust-lang/rust#148079 (Rename `downcast_[ref|mut]_unchecked` -> `downcast_unchecked_[ref|mut]`)
 - rust-lang/rust#148084 (Optimize path components iteration on platforms that don't have prefixes)
 - rust-lang/rust#148126 (Fix rust stdlib build failing for VxWorks)
 - rust-lang/rust#148204 (Modify contributor email entries in .mailmap)
 - rust-lang/rust#148279 (rustc_builtin_macros: rename bench parameter to avoid collisions with user-defined function names)
 - rust-lang/rust#148333 (constify result unwrap unchecked)
 - rust-lang/rust#148539 (Add Allocator proxy impls for Box, Rc, and Arc)
 - rust-lang/rust#148601 (`invalid_atomic_ordering`: also lint `update` & `try_update`)
 - rust-lang/rust#148612 (Add note for identifier with attempted hygiene violation)
 - rust-lang/rust#148613 (Switch hexagon targets to rust-lld)
 - rust-lang/rust#148619 (Enable std locking functions on AIX)
 - rust-lang/rust#148644 ([bootstrap] Make `--open` option work with `doc src/tools/error_index_generator`)
 - rust-lang/rust#148649 (don't completely reset `HeadUsages`)
 - rust-lang/rust#148673 (Remove a remnant of `dyn*` from the parser)
 - rust-lang/rust#148675 (Remove eslint-js from npm dependencies)
 - rust-lang/rust#148680 (Recover `[T: N]` as `[T; N]`)
 - rust-lang/rust#148688 (Remove unused argument `features` from `eval_config_entry`)
 - rust-lang/rust#148711 (Use the current lint note id when parsing `cfg!()`)

r? `@ghost`
`@rustbot` modify labels: rollup
makai410 pushed a commit to makai410/rustc_public that referenced this pull request Mar 27, 2026
@bors
Auto merge of #148721 - Zalathar:rollup-398va3y, r=Zalathar
860f30b 
Rollup of 22 pull requests

Successful merges:

 - rust-lang/rust#128666 (Add `overflow_checks` intrinsic)
 - rust-lang/rust#146305 (Add correct suggestion for multi-references for self type in method)
 - rust-lang/rust#147179 ([DebugInfo] Fix container types failing to find template args)
 - rust-lang/rust#147743 (Show packed field alignment in mir_transform_unaligned_packed_ref)
 - rust-lang/rust#148079 (Rename `downcast_[ref|mut]_unchecked` -> `downcast_unchecked_[ref|mut]`)
 - rust-lang/rust#148084 (Optimize path components iteration on platforms that don't have prefixes)
 - rust-lang/rust#148126 (Fix rust stdlib build failing for VxWorks)
 - rust-lang/rust#148204 (Modify contributor email entries in .mailmap)
 - rust-lang/rust#148279 (rustc_builtin_macros: rename bench parameter to avoid collisions with user-defined function names)
 - rust-lang/rust#148333 (constify result unwrap unchecked)
 - rust-lang/rust#148539 (Add Allocator proxy impls for Box, Rc, and Arc)
 - rust-lang/rust#148601 (`invalid_atomic_ordering`: also lint `update` & `try_update`)
 - rust-lang/rust#148612 (Add note for identifier with attempted hygiene violation)
 - rust-lang/rust#148613 (Switch hexagon targets to rust-lld)
 - rust-lang/rust#148619 (Enable std locking functions on AIX)
 - rust-lang/rust#148644 ([bootstrap] Make `--open` option work with `doc src/tools/error_index_generator`)
 - rust-lang/rust#148649 (don't completely reset `HeadUsages`)
 - rust-lang/rust#148673 (Remove a remnant of `dyn*` from the parser)
 - rust-lang/rust#148675 (Remove eslint-js from npm dependencies)
 - rust-lang/rust#148680 (Recover `[T: N]` as `[T; N]`)
 - rust-lang/rust#148688 (Remove unused argument `features` from `eval_config_entry`)
 - rust-lang/rust#148711 (Use the current lint note id when parsing `cfg!()`)

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