Rollup of 5 pull requests #146224
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Rollup of 5 pull requests #146224
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This commit is an extension of previous libstd support but applied to stdio specifically. The stdio routines are updated away from WASIp1 APIs to using WASIp2 APIs natively. The end goal is to eventually drop the dependency on WASIp1 APIs in the standard library entirely in favor of exclusively depending on WASIp2.
add exact bitshifts Tracking issue: rust-lang#144336 cc ```@lolbinarycat```
Fix LoongArch C function ABI when passing/returning structs containing floats Similar to RISC-V, LoongArch passes structs containing only one or two floats (or a float–integer pair) in registers, as long as each element fits into a single corresponding register. Before this PR, Rust did not check the actual offset of the second float or integer; instead, it assumed the standard offset based on the default alignment. However, since the offset can be affected by `#[repr(align(N))]` and `#[repr(packed)]`, this led to miscompilations (see rust-lang#145692). This PR fixes the issue by explicitly specifying the offset for the remainder of the cast.
…float_tests, r=tgross35 Unify and deduplicate algebraic float tests cc rust-lang#141726 This is a proposal to unify and deduplicate the algebraic tests for f16, f32, f64 and f128
std: Implement WASIp2-specific stdio routines This commit is an extension of rust-lang#145944 but applied to stdio specifically. The stdio routines are updated away from WASIp1 APIs to using WASIp2 APIs natively. The end goal is to eventually drop the dependency on WASIp1 APIs in the standard library entirely in favor of exclusively depending on WASIp2.
…iler-errors fix ICE when suggesting `::new` fixes rust-lang#146174 This code suggests to write `Foo::new(...)` when the user writes `Foo(...)` or `Foo { ... }` and the constructor is private, where `new` is some associated function that returns `Self`. When checking that the return type of `new` is `Self`, we need to instantiate the parameters of `new` with infer vars, so we don't end up with a type like `Box<$param(0)>` in a context that doesn't have any parameters. But then we can't use `normalize_erasing_late_bound_regions` anymore because that goes though a query that can't deal with infer vars. Since this is diagnostic-only code that is supposed to check for exactly `-> Self`, I think it's fine to just skip normalizing here, especially since The Correct Way<sup>TM</sup> would involve a probe and make this code even more complicated. Also, the code here does almost the same thing, and these suggestions can probably be unified in the future: https://github.com/rust-lang/rust/blob/4ca8078d37c53ee4ff8fb32b4453b915116f25b8/compiler/rustc_hir_typeck/src/method/suggest.rs#L2123-L2129 r? ````@compiler-errors```` cc ````@Qelxiros```` -- this should unblock rust-lang#144420
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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: ad85bc524b In the case of a perf regression, run the following command for each PR you suspect might be the cause: |
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 ad85bc5 (parent) -> c559c4a (this PR) Test differencesShow 3852 test diffsStage 1
Stage 2
Additionally, 3822 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 c559c4a741836c4ffa8e4f60cb9fe7e92af5298e --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 (c559c4a): comparison URL. Overall result: ❌ regressions - please read the text belowOur benchmarks found a performance regression caused by this PR. Next Steps:
@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 0.4%, secondary 1.3%)A less reliable metric. May be of interest, but not used to determine the overall result above.
CyclesResults (primary 2.0%, secondary 2.8%)A less reliable metric. May be of interest, but not used to determine the overall result above.
Binary sizeThis benchmark run did not return any relevant results for this metric. Bootstrap: 467.829s -> 469.348s (0.32%) |
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Looks like doc benchmarks, so I guess #144342 -- but it's tiny and expected whenever std/core changes IIRC. |
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Successful merges:
::new#146217 (fix ICE when suggesting::new)r? @ghost
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