Rollup of 9 pull requests#120714
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Co-authored-by: Urgau <3616612+Urgau@users.noreply.github.com>
When encountering
```rust
fn f<T>(a: T, b: T) -> std::cmp::Ordering {
a.cmp(&b) //~ ERROR E0599
}
```
output
```
error[E0599]: no method named `cmp` found for type parameter `T` in the current scope
--> $DIR/method-on-unbounded-type-param.rs:2:7
|
LL | fn f<T>(a: T, b: T) -> std::cmp::Ordering {
| - method `cmp` not found for this type parameter
LL | a.cmp(&b)
| ^^^ method cannot be called on `T` due to unsatisfied trait bounds
|
= help: items from traits can only be used if the type parameter is bounded by the trait
help: the following traits define an item `cmp`, perhaps you need to restrict type parameter `T` with one of them:
|
LL | fn f<T: Ord>(a: T, b: T) -> std::cmp::Ordering {
| +++++
LL | fn f<T: Iterator>(a: T, b: T) -> std::cmp::Ordering {
| ++++++++++
```
Fix rust-lang#120186.
When a method not found on a type parameter could have been provided by any
of multiple traits, suggest each trait individually, instead of a single
suggestion to restrict the type parameter with *all* of them.
Before:
```
error[E0599]: the method `cmp` exists for reference `&T`, but its trait bounds were not satisfied
--> $DIR/method-on-unbounded-type-param.rs:5:10
|
LL | (&a).cmp(&b)
| ^^^ method cannot be called on `&T` due to unsatisfied trait bounds
|
= note: the following trait bounds were not satisfied:
`T: Ord`
which is required by `&T: Ord`
`&T: Iterator`
which is required by `&mut &T: Iterator`
`T: Iterator`
which is required by `&mut T: Iterator`
help: consider restricting the type parameters to satisfy the trait bounds
|
LL | fn g<T>(a: T, b: T) -> std::cmp::Ordering where T: Iterator, T: Ord {
| +++++++++++++++++++++++++
```
After:
```
error[E0599]: the method `cmp` exists for reference `&T`, but its trait bounds were not satisfied
--> $DIR/method-on-unbounded-type-param.rs:5:10
|
LL | (&a).cmp(&b)
| ^^^ method cannot be called on `&T` due to unsatisfied trait bounds
|
= note: the following trait bounds were not satisfied:
`T: Ord`
which is required by `&T: Ord`
`&T: Iterator`
which is required by `&mut &T: Iterator`
`T: Iterator`
which is required by `&mut T: Iterator`
= help: items from traits can only be used if the type parameter is bounded by the trait
help: the following traits define an item `cmp`, perhaps you need to restrict type parameter `T` with one of them:
|
LL | fn g<T: Ord>(a: T, b: T) -> std::cmp::Ordering {
| +++++
LL | fn g<T: Iterator>(a: T, b: T) -> std::cmp::Ordering {
| ++++++++++
```
Fix rust-lang#108428.
HIR visitor visits import paths once per resolution, so if some import has an empty resolution list, like in case of import list stems, its path stays unvisited.
and bless a test I missed
…e, r=compiler-errors Improve 'generic param from outer item' error for `Self` and inside `static`/`const` items Fixes rust-lang#109596 Fixes rust-lang#119936
…rrors hir: Make sure all `HirId`s have corresponding HIR `Node`s And then remove `tcx.opt_hir_node(hir_id)` in favor of `tcx.hir_node(hir_id)`.
pattern_analysis: use a plain `Vec` in `DeconstructedPat` The use of an arena-allocated slice in `DeconstructedPat` dates to when we needed the arena anyway for lifetime reasons. Now that we don't, I'm thinking that if `thir::Pat` can use plain old `Vec`s, maybe so can I. r? ``@ghost``
…param, r=nnethercote
Account for unbounded type param receiver in suggestions
When encountering
```rust
fn f<T>(a: T, b: T) -> std::cmp::Ordering {
a.cmp(&b) //~ ERROR E0599
}
```
output
```
error[E0599]: no method named `cmp` found for type parameter `T` in the current scope
--> $DIR/method-on-unbounded-type-param.rs:2:7
|
LL | fn f<T>(a: T, b: T) -> std::cmp::Ordering {
| - method `cmp` not found for this type parameter
LL | a.cmp(&b)
| ^^^ method cannot be called on `T` due to unsatisfied trait bounds
|
= help: items from traits can only be used if the type parameter is bounded by the trait
help: the following traits define an item `cmp`, perhaps you need to restrict type parameter `T` with one of them:
|
LL | fn f<T: Ord>(a: T, b: T) -> std::cmp::Ordering {
| +++++
LL | fn f<T: Iterator>(a: T, b: T) -> std::cmp::Ordering {
| ++++++++++
```
Fix rust-lang#120186.
…, r=petrochenkov update indirect structural match lints to match RFC and to show up for dependencies This is a large step towards implementing rust-lang/rfcs#3535. We currently have five lints related to "the structural match situation": - nontrivial_structural_match - indirect_structural_match - pointer_structural_match - const_patterns_without_partial_eq - illegal_floating_point_literal_pattern This PR concerns the first 3 of them. (The 4th already is set up to show for dependencies, and the 5th is removed by rust-lang#116284.) nontrivial_structural_match is being removed as per the RFC; the other two are enabled to show up in dependencies. Fixes rust-lang#73448 by removing the affected analysis.
…ame, r=Urgau,Nilstrieb Suggest name value cfg when only value is used for check-cfg Fixes rust-lang#120427 r? ````````````@Nilstrieb````````````
…, r=compiler-errors Remove `ffi_returns_twice` feature The [tracking issue](rust-lang#58314) and [RFC](rust-lang/rfcs#2633) have been closed for a couple of years. There is also an attribute gate in R-A which should be removed if this lands.
Account for non-overlapping unmet trait bounds in suggestion
When a method not found on a type parameter could have been provided by any
of multiple traits, suggest each trait individually, instead of a single
suggestion to restrict the type parameter with *all* of them.
Before:
```
error[E0599]: the method `cmp` exists for reference `&T`, but its trait bounds were not satisfied
--> $DIR/method-on-unbounded-type-param.rs:5:10
|
LL | (&a).cmp(&b)
| ^^^ method cannot be called on `&T` due to unsatisfied trait bounds
|
= note: the following trait bounds were not satisfied:
`T: Ord`
which is required by `&T: Ord`
`&T: Iterator`
which is required by `&mut &T: Iterator`
`T: Iterator`
which is required by `&mut T: Iterator`
help: consider restricting the type parameters to satisfy the trait bounds
|
LL | fn g<T>(a: T, b: T) -> std::cmp::Ordering where T: Iterator, T: Ord {
| +++++++++++++++++++++++++
```
After:
```
error[E0599]: the method `cmp` exists for reference `&T`, but its trait bounds were not satisfied
--> $DIR/method-on-unbounded-type-param.rs:5:10
|
LL | (&a).cmp(&b)
| ^^^ method cannot be called on `&T` due to unsatisfied trait bounds
|
= note: the following trait bounds were not satisfied:
`T: Ord`
which is required by `&T: Ord`
`&T: Iterator`
which is required by `&mut &T: Iterator`
`T: Iterator`
which is required by `&mut T: Iterator`
= help: items from traits can only be used if the type parameter is bounded by the trait
help: the following traits define an item `cmp`, perhaps you need to restrict type parameter `T` with one of them:
|
LL | fn g<T: Ord>(a: T, b: T) -> std::cmp::Ordering {
| +++++
LL | fn g<T: Iterator>(a: T, b: T) -> std::cmp::Ordering {
| ++++++++++
```
Fix rust-lang#108428.
Follow up to rust-lang#120396, only last commit is relevant.
…for-nll, r=lcnr Normalize type outlives obligations in NLL for new solver Normalize the type outlives assumptions and obligations in MIR borrowck. This should fix any of the lazy-norm-related MIR borrowck problems. Also some cleanups from last PR: 1. Normalize obligations in a loop in lexical region resolution 2. Use `deeply_normalize_with_skipped_universes` in lexical resolution since we may have, e.g. `for<'a> Alias<'a>: 'b`. r? lcnr
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@bors r+ rollup=never p=9 |
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Feb 6, 2024
…iaskrgr Rollup of 9 pull requests Successful merges: - rust-lang#119939 (Improve 'generic param from outer item' error for `Self` and inside `static`/`const` items) - rust-lang#120206 (hir: Make sure all `HirId`s have corresponding HIR `Node`s) - rust-lang#120331 (pattern_analysis: use a plain `Vec` in `DeconstructedPat`) - rust-lang#120396 (Account for unbounded type param receiver in suggestions) - rust-lang#120423 (update indirect structural match lints to match RFC and to show up for dependencies) - rust-lang#120435 (Suggest name value cfg when only value is used for check-cfg) - rust-lang#120502 (Remove `ffi_returns_twice` feature) - rust-lang#120507 (Account for non-overlapping unmet trait bounds in suggestion) - rust-lang#120513 (Normalize type outlives obligations in NLL for new solver) r? `@ghost` `@rustbot` modify labels: rollup
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The job Click to see the possible cause of the failure (guessed by this bot) |
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💔 Test failed - checks-actions |
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seems similar to the failure in #117905 (comment) |
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🔒 Merge conflict This pull request and the master branch diverged in a way that cannot be automatically merged. Please rebase on top of the latest master branch, and let the reviewer approve again. How do I rebase?Assuming
You may also read Git Rebasing to Resolve Conflicts by Drew Blessing for a short tutorial. Please avoid the "Resolve conflicts" button on GitHub. It uses Sometimes step 4 will complete without asking for resolution. This is usually due to difference between how Error message |
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☔ The latest upstream changes (presumably #120715) made this pull request unmergeable. Please resolve the merge conflicts. |
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Successful merges:
Selfand insidestatic/constitems #119939 (Improve 'generic param from outer item' error forSelfand insidestatic/constitems)HirIds have corresponding HIRNodes #120206 (hir: Make sure allHirIds have corresponding HIRNodes)VecinDeconstructedPat#120331 (pattern_analysis: use a plainVecinDeconstructedPat)ffi_returns_twicefeature #120502 (Removeffi_returns_twicefeature)r? @ghost
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