Rollup of 2 pull requests#151875
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rust-bors[bot] merged 6 commits intorust-lang:mainfrom Jan 31, 2026
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…k, r=oli-obk constify `Iterator`, take IV Like its predecessors (rust-lang#92433, rust-lang#102225, rust-lang#106541), this PR allows one to make `Iterator` implementations `const`, and thus enables the ability to have `for` loops in `const` contexts. I've also included constifying `Option as IntoIterator`, `option::IntoIter as Iterator` as a minimal dogfooding example. But unlike its predecessors, it uses a new attribute (not unsound anymore!) that prevents any `Iterator` extension methods from being called. This is intentionally made minimal for an initial approval, the fun stuff like `.fold`, `Range as Iterator` could be done later. cc @rust-lang/wg-const-eval, cc @oli-obk to review the compiler parts cc rust-lang#92476
…bank resolve: Remove `force` parameter from `resolve_ident_in_scope` `force == true` is used for turning `Determinacy::Undetermined` into `Determinacy::Determined` during error recovery. It's only needed in two places: - `resolve_macro_or_delegation_path` - the normal case - `resolve_path_with_ribs` - obscure case, only when resolving visibilities and only for improving diagnostics in `tests\ui\resolve\visibility-indeterminate.rs`, I'm not actually sure if we should keep it In other cases `Determinacy::Undetermined` is just ignored or can be propagated.
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@bors r+ rollup=never p=5 |
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📌 Perf builds for each rolled up PR:
previous master: a293cc4af8 In the case of a perf regression, run the following command for each PR you suspect might be the cause: |
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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 a293cc4 (parent) -> 44e34e1 (this PR) Test differencesShow 694 test diffsStage 1
Stage 2
Additionally, 688 doctest diffs were found. These are ignored, as they are noisy. Job group index
Test dashboardRun cargo run --manifest-path src/ci/citool/Cargo.toml -- \
test-dashboard 44e34e1ac6d7e69b40856cf1403d3da145319c30 --output-dir test-dashboardAnd then open Job duration changes
How to interpret the job duration changes?Job durations can vary a lot, based on the actual runner instance |
This was referenced Jan 31, 2026
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Finished benchmarking commit (44e34e1): comparison URL. Overall result: ❌ regressions - no action needed@rustbot label: -perf-regression Instruction countOur most reliable metric. Used to determine the overall result above. However, even this metric can be noisy.
Max RSS (memory usage)Results (primary -1.3%, secondary 3.0%)A less reliable metric. May be of interest, but not used to determine the overall result above.
CyclesResults (primary 2.8%, secondary 3.9%)A less reliable metric. May be of interest, but not used to determine the overall result above.
Binary sizeResults (primary 0.1%, secondary 0.1%)A less reliable metric. May be of interest, but not used to determine the overall result above.
Bootstrap: 473.657s -> 474.436s (0.16%) |
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Successful merges:
Iterator, take IV #151281 (constifyIterator, take IV)forceparameter fromresolve_ident_in_scope#151873 (resolve: Removeforceparameter fromresolve_ident_in_scope)r? @ghost
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