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TaKO8Ki:suggest-adding-appropriate-missing-pattern-excluding-comments, r=compiler-errors
Suggest adding an appropriate missing pattern excluding comments
fixes #100272
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Don't ICE while suggesting updating item path.
When an item isn't found, we may suggest an appropriate import to `use`. Along with that, we also suggest updating the path to work with the `use`. Unfortunately, if the code in question originates from a macro, the span used to indicate which part of the path needs updating may not be suitable and cause an ICE (*). Since, such code is not adjustable directly by the user without modifying the macro, just skip the suggestion in such cases.
(*) The ICE happens because the emitter want to indicate to the user what code to delete by referencing a certain span. But in this case, said span has `lo == hi == 0` which means it thinks it's a dummy span. Adding a space before the proc macro attribute is enough to stop it from ICE'ing but even then the suggestion doesn't really make any sense:
```
help: if you import `DataStore`, refer to it directly
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1 - #[dbstruct::dbstruct]
1 + #[dbstruct::dbstruct]
```
Since suggestions are best-effort, I just gated this one on `can_be_used_for_suggestions` which catches cases like this.
Fixes #100199
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r=lcnr,notriddle,camelid
Don't document impossible to call default trait items on impls
Closes #100176
This only skips documenting _default_ trait items on impls, not ones that are written inside the impl block. This is a conservative approach, since I think we should document all items written in an impl block (I guess unless hidden or whatever), but the existence of this new query I added makes this easy to extend to other rustdoc cases.
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add method to get the mutability of an AllocId
Miri needs this for https://github.com/rust-lang/miri/issues/2463.
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r=camelid,notriddle,GuillaumeGomez
Rustdoc-Json: Document HRTB's on DynTrait
Closes https://github.com/rust-lang/rust/issues/99118
Probably best reviewed commit by commit.
`@rustbot` modify labels: +A-rustdoc-json
cc `@Enselic`
r? `@CraftSpider`
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Implement `#[rustc_default_body_unstable]`
This PR implements a new stability attribute — `#[rustc_default_body_unstable]`.
`#[rustc_default_body_unstable]` controls the stability of default bodies in traits.
For example:
```rust
pub trait Trait {
#[rustc_default_body_unstable(feature = "feat", isssue = "none")]
fn item() {}
}
```
In order to implement `Trait` user needs to either
- implement `item` (even though it has a default implementation)
- enable `#![feature(feat)]`
This is useful in conjunction with [`#[rustc_must_implement_one_of]`](https://github.com/rust-lang/rust/pull/92164), we may want to relax requirements for a trait, for example allowing implementing either of `PartialEq::{eq, ne}`, but do so in a safe way — making implementation of only `PartialEq::ne` unstable.
r? `@Aaron1011`
cc `@nrc` (iirc you were interested in this wrt `read_buf`), `@danielhenrymantilla` (you were interested in the related `#[rustc_must_implement_one_of]`)
P.S. This is my first time working with stability attributes, so I'm not sure if I did everything right 😅
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Rollup of 6 pull requests
Successful merges:
- #100163 (Refactor: remove an unnecessary string search)
- #100212 (Remove more Clean trait implementations)
- #100238 (Further improve error message for E0081)
- #100268 (Add regression test for #79148)
- #100294 (Update Duration::as_secs doc to point to as_secs_f64/32 for including fractional part)
- #100303 (:arrow_up: rust-analyzer)
Failed merges:
- #100281 (Remove more Clean trait implementations)
r? `@ghost`
`@rustbot` modify labels: rollup
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:arrow_up: rust-analyzer
r? `@ghost`
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r=Mark-Simulacrum
Add regression test for #79148
closes #79148
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Further improve error message for E0081
Closes #97533
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Remove more Clean trait implementations
Follow-up of https://github.com/rust-lang/rust/pull/99638.
r? `@notriddle`
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r=wesleywiser
Refactor: remove an unnecessary string search
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Avoid ICE in rustdoc when using `Fn` bounds
Fixes https://github.com/rust-lang/rust/issues/100143
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due to ordering, added/improved comments and removed redundant test
already caught by `E0081.rs`
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Implement special-cased projection error message for some common traits
Not sure what the best phrasing is, but I feel like these are more clear than the plain `<Type as Iterator>::Output == Type` messages.
If this is actually a good idea, are there any other traits this could benefit?
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Only fetch HIR for naked functions that have the attribute.
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rustdoc: do not mark the contents of a skipped module as inlined
Fixes #100204
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Add armv4t-none-eabi take2
This is the same as the previous PR (https://github.com/rust-lang/rust/pull/99226) but i just made a fresh branch without a merge commit in it.
---
### armv4t-none-eabi target quiz
> A tier 3 target must have a designated developer or developers (the "target maintainers") on record to be CCed when issues arise regarding the target.
That's me!
> Targets must use naming consistent with any existing targets
We're using the existing name as recognized by LLVM and GCC
> Tier 3 targets may have unusual requirements to build or use, but must not create legal issues or impose onerous legal terms for the Rust project or for Rust developers or users.
No legal issues here.
>> The target must not introduce license incompatibilities.
No license requirements here.
>> Anything added to the Rust repository must be under the standard Rust license (MIT OR Apache-2.0).
check
>> The target must not cause the Rust tools or libraries built for any other host (even when supporting cross-compilation to the target) to depend on any new dependency less permissive than the Rust licensing policy.
no new deps, we're just adding a rustc target description file for a target llvm already knows about.
>> Compiling, linking, and emitting functional binaries, libraries, or other code for the target (whether hosted on the target itself or cross-compiling from another target) must not depend on proprietary (non-FOSS) libraries.
bare-metal target, doesn't rely on any libs at all.
> Tier 3 targets should attempt to implement as much of the standard libraries as possible and appropriate
`core` only here. You could build `alloc` too, but you'd have to bring your own global allocator.
> The target must provide documentation for the Rust community explaining how to build for the target, using cross-compilation if possible.
LLVM knows how to do it, you just need the GNU Binutils linker because LLVM's linker doesn't work that far back. That's in the docs as part of this PR.
> Tier 3 targets must not impose burden on the authors of pull requests, or other developers in the community, to maintain the target.
No burdens, LLVM already knows how to do this. Further, because this is a cpu-feature variant of an existing tier3 target the `compiler-builtins` crate has already been updated as necessary to fix any missing builtin function gaps.
> Patches adding or updating tier 3 targets must not break any existing tier 2 or tier 1 target, and must not knowingly break another tier 3 target without approval of either the compiler team or the maintainers of the other tier 3 target.
check.
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Use start_point instead of next_point to point to elided lifetime amp…
Using `next_point` creates a span which points inside the multibyte token, ICEing.
Fixes https://github.com/rust-lang/rust/issues/100224
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Remove even more box syntax uses from src/test
Prior work, notably #88316 has removed box syntax from most of the testsuite.
However, some tests were left out.
This commit removes box_syntax uses from more locations in src/test.
This migrates the tests where `box` is mostly an "implementation detail" and not the primary thing being tested by the test.
Furthermore, some tests from the mir-opt test suite are not being migrated.
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TaKO8Ki:suggest-boxed-trait-objects-instead-of-impl-trait, r=compiler-errors
Revive suggestions for boxed trait objects instead of impl Trait
The suggestion implemented in #75608 was not working properly, so I fixed it.
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r=Mark-Simulacrum
Fuchsia CI zircon lib improvement
Removing Zircon build process, instead pulling `sysroot` and related libs directly from Fuchsia SDK
cc. `@tmandry` `@djkoloski`
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Multiple duplicate assignments of the same discriminant are now reported
in the samme error. We now point out the incrementation start point for
discriminants that are not explicitly assigned that are also duplicates.
Removed old test related to E0081 that is now covered by error-codes/E0081.rs.
Also refactored parts of the `check_enum` function.
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PR feedback
PR Followups
Updating clang download
Updating clang download
Restructuring env used
Restructuring env used
Adding chmod
Adding chmod
Adding chmod
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r=michaelwoerister
Check link ordinal to make sure it is targetted for foreign function
Fix #100009, when link ordinal is not target for foreign functions, emit an error.
cc `@dpaoliello`
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Move `x test --skip` to be part of `--exclude`
`--skip` is inconsistent with the rest of the interface and redundant with `--exclude`.
Fix --exclude to work properly for files and directories rather than having a separate flag.
Fixes https://github.com/rust-lang/rust/issues/96342. cc https://github.com/rust-lang/rust/pull/96493#issuecomment-1200521720
r? `@Mark-Simulacrum`
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Prior work, notably 6550021124451628b1efc60c59284465b109e3aa from #88316
has removed box syntax from most of the testsuite. However,
some tests were left out.
This commit removes box_syntax uses from more locations in src/test.
Some tests that are very box syntax specific are not being migrated.
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Avoid pointing out `return` span if it has nothing to do with type error
This code:
```rust
fn f(_: String) {}
fn main() {
let x = || {
if true {
return ();
}
f("");
};
}
```
Emits this:
```
Compiling playground v0.0.1 (/playground)
error[E0308]: mismatched types
--> src/main.rs:8:11
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8 | f("");
| ^^- help: try using a conversion method: `.to_string()`
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| expected struct `String`, found `&str`
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note: return type inferred to be `String` here
--> src/main.rs:6:20
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6 | return ();
| ^^
```
Specifically, that note has nothing to do with the type error in question. This is because the change implemented in #84244 tries to point out the `return` span on _any_ type coercion error within a closure that happens after a `return` statement, regardless of if the error has anything to do with it.
This is really easy to trigger -- just needs a closure (or an `async`) and an early return (or any other form, e.g. `?` operator suffices) -- and super distracting in production codebases. I'm letting #84128 regress because that issue is much harder to fix correctly, and I can re-open that issue after this lands.
As a drive-by, I added a `resolve_vars_if_possible` to the coercion error logic, which leads to some error improvements. Unrelated to the issue above, though.
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Rollup of 4 pull requests
Successful merges:
- #100094 (Detect type mismatch due to loop that might never iterate)
- #100132 (Use (actually) dummy place for let-else divergence)
- #100167 (Recover `require`, `include` instead of `use` in item)
- #100193 (Remove more Clean trait implementations)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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Remove more Clean trait implementations
Follow-up of https://github.com/rust-lang/rust/pull/99638.
r? `@notriddle`
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Recover `require`, `include` instead of `use` in item
Fix #100140
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