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Rollup of 11 pull requests #127400

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Successful merges:

r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

petrochenkov and others added 26 commits June 26, 2024 13:44
Signed-off-by: tison <[email protected]>
…olnay

impl PathBuf::add_extension and Path::with_added_extension

See the ACP for motivation and discussions - rust-lang/libs-team#368
out_of_scope_macro_calls: Detect calls inside attributes more precisely

Fixes rust-lang#126984.
…=pnkfelix

Improve dead code analysis

Fixes rust-lang#120770

1. check impl items later if self ty is private although the trait method is public, cause we must use the ty firstly if it's private
2. mark the adt live if it appears in pattern, like generic argument, this implies the use of the adt
3. based on the above, we can handle the case that private adts impl Default, so that we don't need adding rustc_trivial_field_reads on Default, and the logic in should_ignore_item

r? `@pnkfelix`
Improve well known value check-cfg diagnostic for the standard library

This PR adjust the current logic for hidding the rustc/Cargo suggestion to add a value to a well-known name to exclude the standard library and rustc crates.

This is done in order to improve the contributor experience, in particular when adding a new target, which often requires adding some cfgs like `target_os` which may not be available yet in stage0.

<details>

The diagnostic code would look like this.

```text
error: unexpected `cfg` condition value: `blable`
   --> library/core/src/lib.rs:369:7
    |
369 | #[cfg(target_os = "blable")]
    |       ^^^^^^^^^^^^^^^^^^^^
    |
    = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `visionos`, `vita`, `vxworks`, `wasi`, `watchos`, and `windows` and 2 more
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(target_os, values("blable"))'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(target_os, values(\"blable\"))");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: `-D unexpected-cfgs` implied by `-D warnings`
    = help: to override `-D warnings` add `#[allow(unexpected_cfgs)]`
```

</details>
…ain, r=lcnr

Split `SolverDelegate` back out from `InferCtxtLike`

This is because in order to uplift things like the `Generalizer` and other `TypeRelation`s, we want to be able to interface with `InferCtxtLike` (and `InferCtxt` as its implementation), rather that `SolverDelegate`, which only really exists as a hack to be able to define some downstream methods in `rustc_type_ir`.

r? lcnr
…adability, r=Amanieu

Improve readability of some fmt code examples

Some indent was weird. Some examples were too long (overall better to keep it to maximum 80 columns, but only changed the most outstanding ones).

r? ``@Amanieu``
…r-errors

Use `ControlFlow` results for visitors that are only looking for a single value

These visitors all had a `Option<Value>` or `bool` field, that, once set, was never unset or modified again. They have been refactored by removing the field and returning `ControlFlow` directly from the visitor
Added dots at the sentence ends of rustc AST doc

Just a tiny improvement for the AST documentation by bringing consistency to sentence ends. I intentionally didn't terminate every sentence, there are still some members not having them, but at least there's no mixing style on the type level.
…021, r=Nadrieril

Match ergonomics 2024: align with RFC again

- `&` matches `&mut` on old editions
- Add some more tests

r? ``@Nadrieril``

cc rust-lang#123076

``@rustbot`` label A-edition-2024 A-patterns
…rrors

Use verbose style for argument removal suggestion
Remove clubby789 from review rotation

These days I'm unfortunately too busy to be able to take up reviews, and it looks like some PRs have been blocked on this 😓
@rustbot rustbot added A-meta Area: Issues & PRs about the rust-lang/rust repository itself S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-libs Relevant to the library team, which will review and decide on the PR/issue. labels Jul 5, 2024
@rustbot rustbot added WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver) rollup A PR which is a rollup labels Jul 5, 2024
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This isn't overly ambitious, right?

@bors r+ rollup=never p=11

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bors commented Jul 5, 2024

📌 Commit 97949a7 has been approved by workingjubilee

It is now in the queue for this repository.

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jul 5, 2024
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bors commented Jul 5, 2024

⌛ Testing commit 97949a7 with merge d956223...

bors added a commit to rust-lang-ci/rust that referenced this pull request Jul 5, 2024
…kingjubilee

Rollup of 11 pull requests

Successful merges:

 - rust-lang#123600 (impl PathBuf::add_extension and Path::with_added_extension)
 - rust-lang#126987 (out_of_scope_macro_calls: Detect calls inside attributes more precisely)
 - rust-lang#127107 (Improve dead code analysis)
 - rust-lang#127221 (Improve well known value check-cfg diagnostic for the standard library)
 - rust-lang#127333 (Split `SolverDelegate` back out from `InferCtxtLike`)
 - rust-lang#127363 (Improve readability of some fmt code examples)
 - rust-lang#127366 (Use `ControlFlow` results for visitors that are only looking for a single value)
 - rust-lang#127368 (Added dots at the sentence ends of rustc AST doc)
 - rust-lang#127369 (Match ergonomics 2024: align with RFC again)
 - rust-lang#127383 (Use verbose style for argument removal suggestion)
 - rust-lang#127393 (Remove clubby789 from review rotation)

r? `@ghost`
`@rustbot` modify labels: rollup
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The job test-various failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)
---- [ui] tests/ui/macros/out-of-scope-calls-false-positives.rs stdout ----

error: test compilation failed although it shouldn't!
status: exit status: 1
command: env -u RUSTC_LOG_COLOR RUSTC_ICE="0" RUST_BACKTRACE="short" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/macros/out-of-scope-calls-false-positives.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "-Z" "ignore-directory-in-diagnostics-source-blocks=/cargo" "-Z" "ignore-directory-in-diagnostics-source-blocks=/checkout/vendor" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=wasm32-wasip1" "--check-cfg" "cfg(FALSE)" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Zwrite-long-types-to-disk=no" "-Cstrip=debuginfo" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/macros/out-of-scope-calls-false-positives" "-A" "unused" "-A" "internal_features" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/wasm32-wasip1/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/macros/out-of-scope-calls-false-positives/auxiliary"
--- stderr -------------------------------
error[E0658]: inline assembly is not stable yet on this architecture
##[error]  --> /checkout/tests/ui/macros/out-of-scope-calls-false-positives.rs:6:1
   |
   |
LL | std::arch::global_asm!(mac!()); // OK
   |
   = note: see issue #93335 <https://github.com/rust-lang/rust/issues/93335> for more information
   = note: see issue #93335 <https://github.com/rust-lang/rust/issues/93335> for more information
   = help: add `#![feature(asm_experimental_arch)]` to the crate attributes to enable
   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0658`.
------------------------------------------

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bors commented Jul 6, 2024

💔 Test failed - checks-actions

@bors bors added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Jul 6, 2024
@workingjubilee workingjubilee deleted the rollup-9894l8q branch July 6, 2024 05:51
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