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@wesleywiser wesleywiser commented Jan 2, 2026

It isn't necessary to declare the option as a top-level flag when it is accessible from unstable_opts.

cc #120953

It isn't necessary to declare the option as a top-level flag when
it is accessible from `unstable_opts`.
@rustbot rustbot added A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. 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 Jan 2, 2026
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rustbot commented Jan 2, 2026

r? @mati865

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mati865 commented Jan 2, 2026

@bors r+ rollup

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bors commented Jan 2, 2026

📌 Commit f74896f has been approved by mati865

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 Jan 2, 2026
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bors commented Jan 2, 2026

⌛ Testing commit f74896f with merge bf6b5b9...

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bors commented Jan 2, 2026

☀️ Test successful - checks-actions
Approved by: mati865
Pushing bf6b5b9 to main...

@bors bors added the merged-by-bors This PR was explicitly merged by bors. label Jan 2, 2026
@bors bors merged commit bf6b5b9 into rust-lang:main Jan 2, 2026
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@rustbot rustbot added this to the 1.94.0 milestone Jan 2, 2026
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github-actions bot commented Jan 2, 2026

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 1b43252 (parent) -> bf6b5b9 (this PR)

Test differences

Show 2 test diffs

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

Test dashboard

Run

cargo run --manifest-path src/ci/citool/Cargo.toml -- \
    test-dashboard bf6b5b9dedd3e95a2867555e3d780fc3ece11ff6 --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-apple-various: 3575.4s -> 4637.2s (+29.7%)
  2. x86_64-gnu-gcc: 2770.4s -> 3492.2s (+26.1%)
  3. dist-aarch64-apple: 6358.0s -> 7415.9s (+16.6%)
  4. i686-gnu-nopt-1: 7122.5s -> 8111.1s (+13.9%)
  5. test-various: 6779.5s -> 7712.0s (+13.8%)
  6. x86_64-gnu-stable: 8158.6s -> 9170.5s (+12.4%)
  7. dist-x86_64-apple: 8694.5s -> 7628.1s (-12.3%)
  8. aarch64-gnu-llvm-20-2: 2775.3s -> 3112.5s (+12.1%)
  9. i686-gnu-2: 5302.3s -> 5899.4s (+11.3%)
  10. i686-gnu-1: 7394.5s -> 8219.1s (+11.2%)
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.

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Finished benchmarking commit (bf6b5b9): 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
Improvements ✅
(secondary)
-0.2% [-0.2%, -0.2%] 1
All ❌✅ (primary) - - 0

Max RSS (memory usage)

Results (primary -0.6%)

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)
- - 0
Improvements ✅
(primary)
-0.6% [-0.6%, -0.6%] 1
Improvements ✅
(secondary)
- - 0
All ❌✅ (primary) -0.6% [-0.6%, -0.6%] 1

Cycles

Results (secondary 0.9%)

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)
2.4% [2.3%, 2.5%] 2
Improvements ✅
(primary)
- - 0
Improvements ✅
(secondary)
-2.1% [-2.1%, -2.1%] 1
All ❌✅ (primary) - - 0

Binary size

This benchmark run did not return any relevant results for this metric.

Bootstrap: 472.736s -> 473.964s (0.26%)
Artifact size: 390.80 MiB -> 390.78 MiB (-0.00%)

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5 participants