Rollup of 8 pull requests by JonathanBrouwer · Pull Request #155890 · rust-lang/rust

JonathanBrouwer · 2026-04-27T17:54:51Z

Successful merges:

Partially stabilize LoongArch target features #154510 (Partially stabilize LoongArch target features)
Allow trailing self in more contexts #155137 (Allow trailing self in more contexts)
rustc_public: implement Pattern type #155513 (rustc_public: implement Pattern type)
Change ItemKind::Trait to a field variant. #155702 (Change ItemKind::Trait to a field variant.)
Fix ICE: Scalar layout for non-primitive non-enum type unsafe binder #154896 (Fix ICE: Scalar layout for non-primitive non-enum type unsafe binder)
Disallow non_exhaustive structs and enums with non_exhaustive variants from implementing ConstParamTy #155675 (Disallow non_exhaustive structs and enums with non_exhaustive variants from implementing ConstParamTy)
Avoid misleading closure return type note #155874 (Avoid misleading closure return type note)
CI: rfl: move job forward to Linux v7.1-rc1 #155876 (CI: rfl: move job forward to Linux v7.1-rc1)

r? @ghost

Create a similar rollup

This PR stabilizes the following target features: - div32 - lam-bh - lamcas - ld-seq-sa - scq

…s from implementing `ConstParamTy`

Linux v7.1 will have our new MSRVs: Rust 1.85.0 and `bindgen` 0.71.1. Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

@Amanieu

…features, r=Amanieu Partially stabilize LoongArch target features This PR stabilizes the following target features: - div32 - lam-bh - lamcas - ld-seq-sa - scq Docs PR: rust-lang/reference#2217 r? @Amanieu

…trochenkov Allow trailing `self` in more contexts Reference PR: - rust-lang/reference#2237 As a follow-up PR to rust-lang#152996, after this PR: 1. Trailing `self` can appear in paths 2. [E0429](https://doc.rust-lang.org/stable/error_codes/E0429.html#error-code-e0429) will be no longer emitted, `use ...::self [as target];` will be equivalent to `use ...::{self [as target]};` r? petrochenkov

rustc_public: implement `Pattern` type Fixes: rust-lang/project-stable-mir#120

…rochenkov Change `ItemKind::Trait` to a field variant. This changes `ItemKind::Trait` from an octuple(!!) to an enum variant with fields. Their names were chosen to match up with existing usage and minimize renaming. I'm leaning towards renaming `ident` to `name` as well; let me know if that's desired.

…t-ice, r=TaKO8Ki Fix ICE: Scalar layout for non-primitive non-enum type unsafe binder `UnsafeBinder` uses the inner layout, but the debug layout check still looked at the outer type. Check the inner type first so this does not ICE. Tracking issue: rust-lang#130516 Closes: rust-lang#154426

…t-const-params, r=BoxyUwU Disallow non_exhaustive structs and enums with non_exhaustive variants from implementing `ConstParamTy` tracking issue rust-lang#154042 r? BoxyUwU

@wesleywiser

…n-note-inner-block, r=wesleywiser Avoid misleading closure return type note A follow up fix for rust-lang#155670, fix a missed case rust-lang#155770 (comment) r? @wesleywiser cc @A4-Tacks

@lqd

CI: rfl: move job forward to Linux v7.1-rc1 Linux v7.1 will have our new MSRVs: Rust 1.85.0 and `bindgen` 0.71.1. r? @lqd @Kobzol try-job: x86_64-rust-for-linux @rustbot label A-rust-for-linux @bors try

JonathanBrouwer · 2026-04-27T17:55:03Z

@bors r+ rollup=never p=5

Trying commonly failed jobs
@bors try jobs=dist-various-1,test-various,x86_64-gnu-aux,x86_64-gnu-llvm-21-3,x86_64-msvc-1,aarch64-apple,x86_64-mingw-1,i686-msvc-2

rust-bors · 2026-04-27T17:55:07Z

📌 Commit 5a87e1c has been approved by JonathanBrouwer

It is now in the queue for this repository.

Rollup of 8 pull requests try-job: dist-various-1 try-job: test-various try-job: x86_64-gnu-aux try-job: x86_64-gnu-llvm-21-3 try-job: x86_64-msvc-1 try-job: aarch64-apple try-job: x86_64-mingw-1 try-job: i686-msvc-2

rust-bors · 2026-04-27T21:26:42Z

☀️ Try build successful (CI)
Build commit: a89413a (a89413a30bf0e1247a2320976563ca79d05dd840, parent: 345a975e76de74f090c55d5b56f5f6dd41b655a2)

rust-bors · 2026-04-28T01:06:39Z

☀️ Test successful - CI
Approved by: JonathanBrouwer
Duration: 3h 19m 24s
Pushing b20956b to main...

rust-timer · 2026-04-28T01:09:01Z

📌 Perf builds for each rolled up PR:

PR#	Message	Perf Build Sha
#154510	Partially stabilize LoongArch target features	`c4a6a10917021699c749275d7ed5a6a1d4135bde` (link)
#154896	Fix ICE: Scalar layout for non-primitive non-enum type unsa…	`7881cc835fff4f792f38384f7adf95e433196f52` (link)
#155137	Allow trailing `self` in more contexts	`b1b06b85d9122c378f557bd4825d9def99324c5b` (link)
#155513	rustc_public: implement `Pattern` type	`4569aec2cb026a1245ca0e3485ac9a7e6ffe3965` (link)
#155675	Disallow non_exhaustive structs and enums with non_exhausti…	`9ac0fddb760c112099d59bcfc7178ac192171a93` (link)
#155702	Change `ItemKind::Trait` to a field variant.	`81248274bf7302f98b58cb559a15e2d042cc8dd1` (link)
#155874	Avoid misleading closure return type note	`6098b58159722550a95b5795ff651f36981dc7fb` (link)
#155876	CI: rfl: move job forward to Linux v7.1-rc1	`9856a46ff068c7e44f921d5e35291aa91efa4c57` (link)

previous master: 52b6e2c208

In the case of a perf regression, run the following command for each PR you suspect might be the cause: @rust-timer build $SHA

github-actions · 2026-04-28T01:09:36Z

What is this?

This is an experimental post-merge analysis report that shows differences in test outcomes between the merged PR and its parent PR.

Comparing 52b6e2c (parent) -> b20956b (this PR)

Test differences

Show 56 test diffs

Stage 1

[ui] tests/ui-fulldeps/rustc_public/check_fmt_macro.rs: [missing] -> ignore (ignored when the bootstrapping stage is stage1) (J1)
[ui] tests/ui/const-generics/min_adt_const_params/forbid-non_exhaustive-const-param-ty.rs#full: [missing] -> pass (J1)
[ui] tests/ui/const-generics/min_adt_const_params/forbid-non_exhaustive-const-param-ty.rs#min: [missing] -> pass (J1)
[ui] tests/ui/unsafe-binders/layout-invariant.rs: [missing] -> pass (J1)

Stage 2

[ui] tests/ui/const-generics/min_adt_const_params/forbid-non_exhaustive-const-param-ty.rs#full: [missing] -> pass (J0)
[ui] tests/ui/const-generics/min_adt_const_params/forbid-non_exhaustive-const-param-ty.rs#min: [missing] -> pass (J0)
[ui] tests/ui/unsafe-binders/layout-invariant.rs: [missing] -> pass (J0)
[ui] tests/ui-fulldeps/rustc_public/check_fmt_macro.rs: [missing] -> pass (J2)

Additionally, 48 doctest diffs were found. These are ignored, as they are noisy.

Job group index

Test dashboard

Run

cargo run --manifest-path src/ci/citool/Cargo.toml -- \
    test-dashboard b20956b0f44f6a9e5da5098ecbc711e4105a6f1e --output-dir test-dashboard

And then open test-dashboard/index.html in your browser to see an overview of all executed tests.

Job duration changes

aarch64-apple: 3h 42m -> 2h 42m (-26.8%)
dist-arm-linux-gnueabi: 1h 12m -> 1h 31m (+26.4%)
x86_64-rust-for-linux: 40m 34s -> 50m 49s (+25.3%)
x86_64-gnu-aux: 2h 27m -> 1h 51m (-24.7%)
dist-i586-gnu-i586-i686-musl: 1h 11m -> 1h 29m (+24.6%)
test-various: 2h 11m -> 1h 39m (-24.5%)
dist-i686-msvc: 1h 57m -> 2h 23m (+22.2%)
dist-powerpc64le-linux-gnu: 1h 18m -> 1h 34m (+19.9%)
dist-sparcv9-solaris: 1h 18m -> 1h 31m (+16.1%)
dist-powerpc-linux: 1h 27m -> 1h 14m (-14.9%)

How to interpret the job duration changes?

Job durations can vary a lot, based on the actual runner instance
that executed the job, system noise, invalidated caches, etc. The table above is provided
mostly for t-infra members, for simpler debugging of potential CI slow-downs.

rust-timer · 2026-04-28T01:47:26Z

Finished benchmarking commit (b20956b): 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)

Results (secondary 6.9%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	6.9%	[6.9%, 6.9%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-	-	0

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: 487.959s -> 489.569s (0.33%)
Artifact size: 393.44 MiB -> 393.41 MiB (-0.01%)

heiher and others added 20 commits March 27, 2026 17:15

Partially stabilize LoongArch target features

d3a782d

This PR stabilizes the following target features: - div32 - lam-bh - lamcas - ld-seq-sa - scq

rustc_public: implement Pattern type

510f709

Fix ICE: Scalar layout for non-primitive non-enum type unsafe binder

dface0a

Change ItemKind::Trait to have named fields.

9515f52

disallow non_exhaustive structs and enums with non_exhaustive variant…

33a1ed1

…s from implementing `ConstParamTy`

Support trailing self in import paths

d5a26d8

Support trailing self in normal paths

4467940

Remove type_ns_only

8b584eb

Add test for middle self

ddb2721

Remove the special case of ::self after edition 2018

d93395c

Avoid misleading closure return type note

7616881

CI: rfl: move job forward to Linux v7.1-rc1

57008e9

Linux v7.1 will have our new MSRVs: Rust 1.85.0 and `bindgen` 0.71.1. Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

Rollup merge of rust-lang#154510 - heiher:stabilize-loongarch-target-…

e8243d2

…features, r=Amanieu Partially stabilize LoongArch target features This PR stabilizes the following target features: - div32 - lam-bh - lamcas - ld-seq-sa - scq Docs PR: rust-lang/reference#2217 r? @Amanieu

Rollup merge of rust-lang#155513 - makai410:rpub-pat, r=celinval

8a0ee88

rustc_public: implement `Pattern` type Fixes: rust-lang/project-stable-mir#120

Rollup merge of rust-lang#155675 - zedddie:disallow-non_exhaustive-ad…

76a502d

…t-const-params, r=BoxyUwU Disallow non_exhaustive structs and enums with non_exhaustive variants from implementing `ConstParamTy` tracking issue rust-lang#154042 r? BoxyUwU

Rollup merge of rust-lang#155874 - chenyukang:yukang-fix-155770-retur…

3a532d6

…n-note-inner-block, r=wesleywiser Avoid misleading closure return type note A follow up fix for rust-lang#155670, fix a missed case rust-lang#155770 (comment) r? @wesleywiser cc @A4-Tacks

Rollup merge of rust-lang#155876 - ojeda:rfl, r=lqd

5a87e1c

CI: rfl: move job forward to Linux v7.1-rc1 Linux v7.1 will have our new MSRVs: Rust 1.85.0 and `bindgen` 0.71.1. r? @lqd @Kobzol try-job: x86_64-rust-for-linux @rustbot label A-rust-for-linux @bors try

rust-bors Bot added the rollup A PR which is a rollup label Apr 27, 2026

rustbot added the T-rustdoc-frontend Relevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output. label Apr 27, 2026

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 Apr 27, 2026

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rust-bors Bot added merged-by-bors This PR was explicitly merged by bors. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Apr 28, 2026

rust-bors Bot merged commit b20956b into rust-lang:main Apr 28, 2026
13 checks passed

rustbot added this to the 1.97.0 milestone Apr 28, 2026

rust-bors Bot mentioned this pull request Apr 28, 2026

Address redundant errors for missing crate for nested imports and later uses of crate #153956

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Rollup of 8 pull requests#155890

Rollup of 8 pull requests#155890
rust-bors[bot] merged 20 commits intorust-lang:mainfrom
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Overall result: no relevant changes - no action needed

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