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remove type traversal for mir constants
r? `@oli-obk` cc `@b-naber`
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Populate effective visibilities in 'rustc_resolve'
Next part of RFC https://github.com/rust-lang/rust/issues/48054.
previous: https://github.com/rust-lang/rust/pull/101713
`@rustbot` author
r? `@petrochenkov`
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r=RalfJung
Improve docs for `struct_lint_level` function.
r? ``@RalfJung``
Does this answer your questions?
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Get rid of `rustc_query_description!`
**I am not entirely sure whether this is an improvement and would like to get your feedback on it.**
Helps with #96524.
Queries can provide an arbitrary expression for their description and their caching behavior. Before, these expressions where stored in a `rustc_query_description` macro emitted by the `rustc_queries` macro, and then used in `rustc_query_impl` to fill out the methods for the `QueryDescription` trait.
Instead, we now emit two new modules from `rustc_queries` containing the functions with the expressions. `rustc_query_impl` calls these functions now instead of invoking the macro.
Since we are now defining some of the functions in `rustc_middle::query`, we now need all the imports for the key types mthere as well.
r? `@cjgillot`
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Make `dyn*` casts into a coercion, allow `dyn*` upcasting
I know that `dyn*` is likely not going to be a feature exposed to surface Rust, but this makes it slightly more ergonomic to write tests for these types anyways. ... and this was just fun to implement anyways.
1. Make `dyn*` into a coercion instead of a cast
2. Enable `dyn*` upcasting since we basically get it for free
3. Simplify some of the cast checking code since we're using the coercion path now
r? `@eholk` but feel free to reassign
cc `@nikomatsakis` and `@tmandry` who might care about making `dyn*` casts into a coercion
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`should_collapse_debuginfo` detects if the specified span is part of a
macro expansion however it does this by checking if the span is anything
other than a normal (non-expanded) kind, then the span sequence is
walked backwards to the root span.
This doesn't work when the MIR inliner inlines code as it creates spans
with expansion information set to `ExprKind::Inlined` and results in the
line number being attributed to the inline callsite rather than the
normal line number of the inlined code.
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Queries can provide an arbitrary expression for their description and
their caching behavior. Before, these expressions where stored in a
`rustc_query_description` macro emitted by the `rustc_queries` macro,
and then used in `rustc_query_impl` to fill out the methods for the
`QueryDescription` trait.
Instead, we now emit two new modules from `rustc_queries` containing the
functions with the expressions. `rustc_query_impl` calls these functions
now instead of invoking the macro.
Since we are now defining some of the functions in
`rustc_middle::query`, we now need all the imports for the key types
there as well.
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More dupe word typos
I only picked those changes (from the regex search) that I am pretty certain doesn't change meaning and is just a typo fix. Do correct me if any fix is undesirable and I can revert those. Thanks.
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capture said lifetimes
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Int and float inference variables are trivially copy
Fixes #102645
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JhonnyBillM:delete-target-data-layout-errors-wrapper, r=davidtwco
Move `IntoDiagnostic` conformance for `TargetDataLayoutErrors` into `rustc_errors`
Addressed this suggestion https://github.com/rust-lang/rust/pull/101558#issuecomment-1243830009.
This way we comply with the Coherence rule given that `IntoDiagnostic` trait is defined in `rustc_errors`, and almost all other crates depend on it.
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Check hidden types in dead code
fixes #99490
r? `@compiler-errors`
best reviewed commit by commit
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Support default-body trait functions with return-position `impl Trait` in traits
Introduce a new `Trait` candidate kind for the `ImplTraitInTrait` projection candidate, which just projects an RPITIT down to its opaque type form.
This is a hack until we lower RPITITs to regular associated types, after which we will need to rework how these default bodies are type-checked, so comments are left in a few places for us to clean up later.
Fixes #101665
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This way we comply with the Coherence rule given that IntoDiagnostic trait is defined in rustc_errors, and almost all other crates depend on it.
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Co-authored-by: Ralf Jung <post@ralfj.de>
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Check representability in adt_sized_constraint
Now that representability is a query, we can use it to preemptively avoid a cycle in `adt_sized_constraint`.
I moved the representability check into `check_mod_type_wf` to avoid a scenario where rustc quits before checking all the types for representability. This also removes the check from rustdoc, which is alright AFAIK.
r? ``@cjgillot``
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Migrate rustc_passes diagnostics
Picks up abandoned work from https://github.com/rust-lang/rust/pull/100870
I would like to do this collaboratively, as there is a lot of work! Here's the process:
- Comment below that you are willing to help and I will add you as a collaborator to my `rust` fork (that gives you write access)
- Indicate which file/task you would like to work on (so we don't duplicate work) from the list below
- Do the work, push up a commit, comment that you're done with that file/task
- Repeat until done 😄
### Files to Migrate (in `compiler/rustc_passes/src/`)
- [x] check_attr.rs ``@CleanCut``
- [x] check_const.rs ``@CleanCut``
- [x] dead.rs ``@CleanCut``
- [x] debugger_visualizer.rs ``@CleanCut``
- [x] diagnostic_items.rs ``@CleanCut``
- [x] entry.rs ``@CleanCut``
- [x] lang_items.rs ``@CleanCut``
- [x] layout_test.rs ``@CleanCut``
- [x] lib_features.rs ``@CleanCut``
- [x] ~liveness.rs~ ``@CleanCut`` Nothing to do
- [x] loops.rs ``@CleanCut``
- [x] naked_functions.rs ``@CleanCut``
- [x] stability.rs ``@CleanCut``
- [x] weak_lang_items.rs ``@CleanCut``
### Tasks
- [x] Rebase on current `master` ``@CleanCut``
- [x] Review work from [the earlier PR](https://github.com/rust-lang/rust/pull/100870) and make sure it all looks good
- [x] compiler/rustc_error_messages/locales/en-US/passes.ftl ``@CleanCut``
- [x] compiler/rustc_passes/src/check_attr.rs ``@CleanCut``
- [x] compiler/rustc_passes/src/errors.rs ``@CleanCut``
- [x] compiler/rustc_passes/src/lang_items.rs ``@CleanCut``
- [x] compiler/rustc_passes/src/lib.rs ``@CleanCut``
- [x] compiler/rustc_passes/src/weak_lang_items.rs ``@CleanCut``
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Stabilize map_first_last
Stabilizes the following functions:
```Rust
impl<T> BTreeSet<T> {
pub fn first(&self) -> Option<&T> where T: Ord;
pub fn last(&self) -> Option<&T> where T: Ord;
pub fn pop_first(&mut self) -> Option<T> where T: Ord;
pub fn pop_last(&mut self) -> Option<T> where T: Ord;
}
impl<K, V> BTreeMap<K, V> {
pub fn first_key_value(&self) -> Option<(&K, &V)> where K: Ord;
pub fn last_key_value(&self) -> Option<(&K, &V)> where K: Ord;
pub fn first_entry(&mut self) -> Option<OccupiedEntry<'_, K, V>> where K: Ord;
pub fn last_entry(&mut self) -> Option<OccupiedEntry<'_, K, V>> where K: Ord;
pub fn pop_first(&mut self) -> Option<(K, V)> where K: Ord;
pub fn pop_last(&mut self) -> Option<(K, V)> where K: Ord;
}
```
Closes #62924
~~Blocked on the [FCP](https://github.com/rust-lang/rust/issues/62924#issuecomment-1179489929) finishing.~~ Edit: It finished!
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Remove tuple candidate, nothing special about it
r? `@lcnr` you mentioned this during the talk you gave i think
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Stabilize `half_open_range_patterns`
This PR stabilize `feature(half_open_range_patterns)`:
```
Allows using `..=X` as a pattern.
```
And adds a new `feature(half_open_range_patterns_in_slices)` for the slice part, https://github.com/rust-lang/rust/pull/102275#issuecomment-1267422806.
The FCP was completed in https://github.com/rust-lang/rust/issues/67264.
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rename `ImplItemKind::TyAlias` to `ImplItemKind::Type`
The naming of this variant seems inconsistent given that this is not really a "type alias", and the associated type variant for `TraitItemKind` is just called `Type`.
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Don't repeat lifetime names from outer binder in print
Fixes https://github.com/rust-lang/rust/issues/102392
Fixes https://github.com/rust-lang/rust/issues/102414
r? ```@lcnr```
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Rollup of 8 pull requests
Successful merges:
- #101520 (Allow transmutes between the same types after erasing lifetimes)
- #102675 (Remove `mir::CastKind::Misc`)
- #102778 (Fix MIR inlining of asm_unwind)
- #102785 (Remove `DefId` from some `SelectionCandidate` variants)
- #102788 (Update rustc-dev-guide)
- #102789 (Update browser UI test version)
- #102797 (rustdoc: remove no-op CSS `.rightside { position: initial }`)
- #102798 (rustdoc: add main-heading and example-wrap link CSS to big selector)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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Remove `DefId` from some `SelectionCandidate` variants
They are both from `obligation.predicate.def_id()`, which do not need to be on the `SelectionCandidate`.
cc ````@lcnr```` ````@compiler-errors````
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Remove `mir::CastKind::Misc`
As discussed in #97649 `mir::CastKind::Misc` is not clear, this PR addresses that by creating a new enum variant for every valid cast.
r? ````@oli-obk````
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Rewrite representability
* Improve placement of `Box` in the suggestion
* Multiple items in a cycle emit 1 error instead of an error for each item in the cycle
* Introduce `representability` query to avoid traversing an item every time it is used.
* Also introduce `params_in_repr` query to avoid traversing generic items every time it is used.
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