Rollup of 6 pull requests#154455
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rust-bors[bot] merged 15 commits intorust-lang:mainfrom Mar 27, 2026
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Clang and gcc use this option to control linking behavior too. Some targets need to be linked against a special crt which enables profiling at runtime. This makes using gprof a little easier with Rust binaries. Otherwise, rustc must be passed `-Clink-args=-pg` to ensure the correct startup code is linked.
mingw exposes the `_mcount` symbol for profiling.
libgmon needs to be linked. This also requires readding a few other system libraries to satisfy its dependencies.
* Create GPU target notification group * Update triagebot.toml Co-authored-by: 许杰友 Jieyou Xu (Joe) <39484203+jieyouxu@users.noreply.github.com>
Pass -pg to linker when using -Zinstrument-mcount This selects a slightly different crt on gnu targets which enables the profiler within glibc. This makes using gprof a little easier with Rust binaries. Otherwise, rustc must be passed `-Clink-args=-pg` to ensure the correct startup code is linked.
…rray-ice, r=chenyukang Remove divergence check from check_expr_array Fixes rust-lang#153695. `check_expr_array` currently assumes it should only be entered with` self.diverges == Diverges::Maybe`, but that assumption does not appear to hold in all valid cases. A never-pattern parameter can seed a function or closure body with inherited `Diverges::Always`, and exprs in that body are still typecked.
move many tests out of `ui/unsafe` `ui/unsafe` is a pretty big and generic directory. This PR moves some tests from it to `ui/union` and some others to a new `rustc_layout_scalar_valid_range` directory. r? @Kivooeo
…bzol bootstrap: force a CI LLVM stamp bump To see if this helps with rust-lang#154408 r? @Kobzol
simd_add/sub/mul/neg: document overflow behavior `simd_neg` had an odd comment about overflow not being UB, without saying what the behavior is instead. Replace that by just saying this uses wrapping arithmetic, and add the same for add/sub/mul. div/rem are already documented to cause UB on div-by-zero and min-div-by-minus-one, and shl/shr cause UB on too large shift amounts.
…roup, r=jieyouxu Create GPU target notification group Creating the notification group for the newly created GPU target (see [mcp#960](https://rust-lang.zulipchat.com/#narrow/channel/233931-t-compiler.2Fmajor-changes/topic/Create.20a.20GPU.20notification.20group.20compiler-team.23960/near/568629680)) I'm following these [steps](rust-lang#133334). (feel free to suggest a better wording) r? @jieyouxu
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@bors r+ rollup=never p=5 |
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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 e3691a5 (parent) -> fda6d37 (this PR) Test differencesShow 97 test diffsStage 1
Stage 2
Additionally, 6 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 fda6d37bb88ee12fd50fa54d15859f1f91b74f55 --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 |
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Finished benchmarking commit (fda6d37): comparison URL. Overall result: no relevant changes - no action needed@rustbot label: -perf-regression Instruction countThis benchmark run did not return any relevant results for this metric. Max RSS (memory usage)Results (primary -0.5%, secondary -5.7%)A less reliable metric. May be of interest, but not used to determine the overall result above.
CyclesThis benchmark run did not return any relevant results for this metric. Binary sizeThis benchmark run did not return any relevant results for this metric. Bootstrap: 483.294s -> 485.109s (0.38%) |
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Successful merges:
ui/unsafe#154418 (move many tests out ofui/unsafe)r? @ghost
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