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Rollup of 12 pull requests - #160761
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When adding a new lint, you'd naturally add the new lint at the bottom, and would have to deal with merge conflicts with all other PRs that also add a lint.
* fix: build-std on 32 bit arm with 64 bit time The libc crate has support for building with 64 bit time on 32 bit platforms using the `RUST_LIBC_UNSTABLE_GNU_TIME_BITS` environment variable. Convert the tv_usec field to i64 via `into` in this case since `suseconds_t` is still defined as an i32 when this environment variable is set. * Use placeholder as target type This allows us to rely on the compiler to infer the correct target type, mirroring the approach used in `sys/net/connection/socket/solid.rs`.
…ouwer Move attributes out of rustc_hir Previous graph: <img width="397" height="503" alt="image" src="https://github.com/user-attachments/assets/f1c101b1-eb2f-4032-a8e7-6b4f6aef39d5" /> Graph with this pr: <img width="505" height="524" alt="image" src="https://github.com/user-attachments/assets/489be58e-41c5-4c08-a25a-9dc04ebe00e2" /> So while it doesn't really look like much (might be nicer for pipeling or if you're editing rustc_hir), it unblocks followup work to split up this part of the crate graph further, like: - moving `SanitizerSet` to a (new?) crate below `rustc_target` so that `rustc_target` and `rustc_attr_ir` no longer depend on each other and can compile in parallel - `rustc_session` will only depend on `rustc_hir` for `rustc_hir::definitions` in its `cstore` module, there may be something there but I haven't looked in depth. There's some work left wrt cleaning up imports everywhere, but that's for followups. r? @JonathanBrouwer
…targets, r=jieyouxu ignore tests with the GCC backend if we can't find `libgccjit.so` for the target <!-- homu-ignore:start --> - [x] I did not use an LLM to create a change in this PR. - [ ] I used an LLM to create a change in this PR, and I have explained below how it was used. Much like we ignore tests on targets that don't support certain properties, ignore a test or revision when the target is not supported by GCC, and GCC is the default codegen backend. With this change we can remove many `//@ ignore-backends: gcc` (which I've left for later). See also the conversation at [#rustc-codegen-gcc > tidy error on building test with GCC on unsupported target](https://rust-lang.zulipchat.com/#narrow/channel/386786-rustc-codegen-gcc/topic/tidy.20error.20on.20building.20test.20with.20GCC.20on.20unsupported.20target/with/615232618). r? jieyouxu cc @GuillaumeGomez@antoyo
…_bits64, r=Mark-Simulacrum fix: build-std on 32 bit arm with 64 bit time Infer target type of `tv_usec`. The libc crate has support for building with 64 bit time on 32 bit platforms, configurable currently via environment variable or cfg directives. When building using 64 bit time, the tv_usec field will be aliased to `__suseconds64_t` instead of `suseconds_t` causing the `build-std` feature to not be able to build the standard library due to a type mismatch. Adopting the same convention as in https://github.com/rust-lang/rust/blob/1b29cfdbee8ee37333f4b24afb936350eb57e705/library/std/src/sys/net/connection/socket/solid.rs#L151 fixes the issue, supporting 64 bit time on 32 bit arm platforms. Another option would be using cfg attributes for this but from what I can tell there are no existing such attributes for time bits in the std and they would essentially duplicate the ones already present in the libc crate https://github.com/rust-lang/libc/blob/e27c7f1e2b281d7c551e6b394b897b4ff0a230e6/build.rs#L16
Add regression test for unsized non-last struct field with overlapping impls Closesrust-lang#83097 adds a regresion test locking that E0277 & E0119 are both emitted
miri: implement more restrictive trivial-ABI checks This implements the rules from rust-lang#157973 in Miri. We unfortunately have to reject some code that we thought was okay. Let's land this in Miri ahead of anything official also to see if there's any major breakage from that. r? @oli-obk
…thanBrouwer sort lint names in lint pass declarations When adding a new lint, you'd naturally add the new lint at the bottom, and would have to deal with merge conflicts with all other PRs that also add a lint. Sorting the list should at least mitigate that, and is probably more readable overall.
Add regression test for higher ranked fn pointer impl not general enough Closesrust-lang#57936 adds a regression test for higher ranked fn-pointer impl is now correctly rejected
…anBrouwer Add regression test for rust-lang#135287Fixesrust-lang#135287. This PR adds a test that fails on commit a580b5c and works on main.
…-onboard, r=jieyouxu triagebot: add ubiratan to infra-ci Pretty much self-explained :) r? @marcoieni
…ez,JonathanBrouwer rustc_errors: remove unused code r? @GuillaumeGomez
…nBrouwer Add regression test for incremental borrowck ICE with generic const exprs Adds an incremental regression test for rust-lang#125564 for generic-const exprs snippet, now reports errors cleanly Closesrust-lang#125564
…anBrouwer rustc_lint: remove unused rustc_attrs feature
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rust-timer
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Aug 8, 2026
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📌 Perf builds for each rolled up PR:
previous master: 8b798d41cc In the case of a perf regression, run the following command for each PR you suspect might be the cause: |
rust-log-analyzer
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Aug 8, 2026
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A job failed! Check out the build log: (web)(plain enhanced)(plain) Click to see the possible cause of the failure (guessed by this bot) |
rust-timer
commented
Aug 8, 2026
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Finished benchmarking commit (771916f): comparison URL. Overall result: ✅ improvements - 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 2.2%, secondary -0.1%)A less reliable metric. May be of interest, but not used to determine the overall result above.
CyclesResults (secondary 0.1%)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: 459.298s -> 458.289s (-0.22%) |
rust-log-analyzer
commented
Aug 9, 2026
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A job failed! Check out the build log: (web)(plain enhanced)(plain) Click to see the possible cause of the failure (guessed by this bot) |
jhpratt added a commit
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Aug 9, 2026
…=mejrs,ZuseZ4 Fix autodiff_illegal.rs test This fixes the current CI failure: rust-lang#160761 (comment) r? @ZuseZ4
jhpratt added a commit
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Aug 9, 2026
…=mejrs,ZuseZ4 Fix autodiff_illegal.rs test This fixes the current CI failure: rust-lang#160761 (comment) r? @ZuseZ4
rust-timer added a commit
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Aug 9, 2026
Rollup merge of #160768 - JonathanBrouwer:fix_autodiff_ci, r=mejrs,ZuseZ4 Fix autodiff_illegal.rs test This fixes the current CI failure: #160761 (comment) r? @ZuseZ4
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Successful merges:
libgccjit.sofor the target #160715 (ignore tests with the GCC backend if we can't findlibgccjit.sofor the target)adt_sized_constraintcalled on non-struct type #135287)Failed merges:
#[path]attributes on inline modules #158835 (rustc_passes: lint unused#[path]attributes on inline modules)r? @ghost
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