Rollup of 5 pull requests #138583
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Rollup of 5 pull requests #138583
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I can't find any dedicated tests that actually exercises the stability gating (via `-Z unstable-options`) of print requests, so here's a dedicated one. I coalesced `tests/ui/feature-gates/feature-gate-print-check-cfg.rs` into this test, because AFAICT that print request is not feature gated, but only `-Z unstable-options`-gated just like other unstable print requests.
… into helpers To avoid duplicating stability check logic and make the print request collection logic more straightforward.
…on,TargetSpecJson}` To correspond to their actual print request names, `target-spec-json` and `all-target-specs-json`, and for consistency with other print name <-> print kind mappings.
It's bitflags in practice, so an enum is unsound, as an enum must only have the described values. The x86_64 psABI declares it as a `typedef int _Unwind_Action`, which seems reasonable. I made a newtype first but that was more annoying than just a typedef. We don't really use this value for much other than a short check.
document capacity for ZST as example The main text already covers this, although it provides weaker guarantees, but I think an example in the right spot does not hurt. Fixes rust-lang#80747
doc all differences of ptr:copy(_nonoverlapping) with memcpy and memmove Fixes rust-lang#79430
…-cleanup, r=aDotInTheVoid refactor `notable_traits_button` to use iterator combinators instead of for loop ~Small cleanup. Use `Iterator::any` instead of `for` loop with `predicate = true;`. I think this makes the code more readable... and also has the additional benefit of short-circuiting the iterator when a notable trait is found (a `break` statement was missing in the `for` loop version, I think). Probably won't be significant enough to show on perf results, though.~ Three commits, each attempting to optimize `notable_trait_buttons` by a little bit.
…=Urgau
Misc print request handling cleanups + a centralized test for print request stability gating
I was working on implementing `--print=supported-crate-types`, then I noticed some things that were mildly annoying me, so I pulled out these changes. In this PR:
- First commit adds a centralized test `tests/ui/print/stability.rs` that is responsible for exercising stability gating of the print requests.
- AFAICT we didn't have any test that systematically checks this.
- I coalesced `tests/ui/feature-gates/feature-gate-print-check-cfg.rs` (for `--print=check-cfg`) into this test too, since `--print=check-cfg` is only `-Z unstable-options`-gated like other unstable print requests, and is not additionally feature-gated. cc ``@Urgau`` in case you have any concerns.
- Second commit alphabetically sorts the `PrintKind` enum for consistency because the `PRINT_KINDS` list (using the enum) is *already* alphabetically sorted.
- Third commit pulls out two helpers:
1. A helper `check_print_request_stability` for checking stability of print requests and the diagnostics for using unstable print requests without `-Z unstable-options`, to avoid repeating the same logic over and over.
2. A helper `emit_unknown_print_request_help` for the unknown print request diagnostics to make print request collection control flow more obvious.
- Fourth commit renames `PrintKind::{TargetSpec,AllTargetSpecs}` to `PrintKind::{TargetSpecJson,AllTargetSpecsJson}` to better reflect their actual print names, `--print={target-spec-json,all-target-specs-json}`.
r? ``@nnethercote`` (or compiler/reroll)
…, r=workingjubilee Make `_Unwind_Action` a type alias, not enum It's bitflags in practice, so an enum is unsound, as an enum must only have the described values. The x86_64 psABI declares it as a `typedef int _Unwind_Action`, which seems reasonable. I made a newtype first but that was more annoying than just a typedef. We don't really use this value for much other than a short check. I ran `x check library --target aarch64-unknown-linux-gnu,x86_64-pc-windows-gnu,x86_64-fortanix-unknown-sgx,x86_64-unknown-haiku,x86_64-unknown-fuchsi a,x86_64-unknown-freebsd,x86_64-unknown-dragonfly,x86_64-unknown-netbsd,x86_64-unknown-openbsd,x86_64-unknown-redox,riscv64-linux-android,armv7-unknown-freebsd` (and some more but they failed to build for other reasons :D) fixes rust-lang#138558 r? workingjubilee have fun
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@bors r+ rollup=never p=5 |
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☀️ Test successful - checks-actions |
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📌 Perf builds for each rolled up PR:
previous master: c3dd4eefd6 In the case of a perf regression, run the following command for each PR you suspect might be the cause: |
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This is an experimental post-merge analysis report. You can ignore it. Post-merge reportComparing c3dd4ee (base) -> 10bcdad (this PR) Test differences
Additionally, 145 doctest diffs were found. These are ignored, as they are noisy. Job group index
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Finished benchmarking commit (10bcdad): comparison URL. Overall result: ✅ improvements - no action needed@rustbot label: -perf-regression Instruction countThis is the most reliable metric that we have; it was used to determine the overall result at the top of this comment. However, even this metric can sometimes exhibit noise.
Max RSS (memory usage)Results (primary 0.2%, secondary 0.2%)This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.
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: 774.875s -> 775.561s (0.09%) |
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Successful merges:
notable_traits_buttonto use iterator combinators instead of for loop #136816 (refactornotable_traits_buttonto use iterator combinators instead of for loop)_Unwind_Actiona type alias, not enum #138573 (Make_Unwind_Actiona type alias, not enum)r? @ghost
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