Add regression test for issue #87290

[pbkx]

Issue #87290 is labeled E-needs-test for explicit non-'static lifetimes in closure argument types.

This adds a check-pass UI test for explicit lifetimes in closure argument types.

Fixes #87290.

[rustbot]

r? @JonathanBrouwer

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The reviewer was selected based on:

• Owners of files modified in this PR: compiler
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[Kivooeo]

Thanks for a PR! One small nit

View changes since this review

[Kivooeo]

@bors r+ rollup

[rust-bors]

📌 Commit 5665d70 has been approved by Kivooeo

It is now in the queue for this repository.

[rust-bors]

☀️ Test successful - CI
Approved by: Kivooeo
Duration: 3h 9m 14s
Pushing e7a21fa to main...

[github-actions]

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 e248841 (parent) -> e7a21fa (this PR)

Test differences

Show 4 test diffs

Stage 1

• [ui] tests/ui/closures/explicit-closure-lifetime-issue-87290.rs: [missing] -> pass (J0)

Stage 2

• [ui] tests/ui/closures/explicit-closure-lifetime-issue-87290.rs: [missing] -> pass (J1)

Additionally, 2 doctest diffs were found. These are ignored, as they are noisy.

Job group index

• J0: x86_64-gnu-llvm-21-3, x86_64-gnu-llvm-22-3
• J1: aarch64-apple, aarch64-gnu, aarch64-gnu-llvm-21-1, aarch64-msvc-1, arm-android, armhf-gnu, dist-i586-gnu-i586-i686-musl, i686-gnu-1, i686-gnu-nopt-1, i686-msvc-1, optional-x86_64-gnu-parallel-frontend, test-various, x86_64-gnu, x86_64-gnu-debug, x86_64-gnu-gcc, x86_64-gnu-llvm-21, x86_64-gnu-llvm-21-2, x86_64-gnu-llvm-22-2, x86_64-gnu-nopt, x86_64-gnu-stable, x86_64-mingw-1, x86_64-msvc-1

Test dashboard

Run

cargo run --manifest-path src/ci/citool/Cargo.toml -- \
    test-dashboard e7a21fa2562f67cf9cac407c29287a16862b4463 --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

1. dist-x86_64-llvm-mingw: 1h 11m -> 1h 58m (+65.6%)
2. optional-x86_64-gnu-parallel-frontend: 2h 43m -> 1h 47m (-34.0%)
3. x86_64-msvc-ext1: 1h 42m -> 2h 12m (+29.1%)
4. dist-loongarch64-musl: 1h 26m -> 1h 49m (+25.6%)
5. pr-check-1: 27m 15s -> 33m 52s (+24.3%)
6. dist-ohos-x86_64: 1h 2m -> 1h 17m (+23.4%)
7. x86_64-gnu-gcc-core-tests: 14m 26s -> 11m 4s (-23.3%)
8. dist-x86_64-solaris: 1h 37m -> 1h 14m (-23.3%)
9. x86_64-gnu-gcc: 1h 11m -> 55m 52s (-22.1%)
10. dist-aarch64-apple: 1h 38m -> 1h 59m (+21.7%)

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]

Finished benchmarking commit (e7a21fa): comparison URL.

Overall result: ✅ improvements - no action needed

@rustbot label: -perf-regression

Instruction count

Our most reliable metric. Used to determine the overall result above. However, even this metric can be noisy.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-0.1%	[-0.1%, -0.1%]	1
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-0.1%	[-0.1%, -0.1%]	1

Max RSS (memory usage)

Results (primary 1.4%, 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)	1.4%	[1.4%, 1.4%]	1
Regressions ❌ (secondary)	6.9%	[6.9%, 6.9%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	1.4%	[1.4%, 1.4%]	1

Cycles

Results (primary 1.9%, secondary 3.4%)

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

	mean	range	count
Regressions ❌ (primary)	1.9%	[1.9%, 1.9%]	1
Regressions ❌ (secondary)	3.4%	[2.0%, 4.8%]	2
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	1.9%	[1.9%, 1.9%]	1

Binary size

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

Bootstrap: 511.377s -> 513.315s (0.38%)
Artifact size: 400.74 MiB -> 400.75 MiB (0.00%)