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Construction of all modules is now centralized and performed by `fn new_module`.
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Cleanup: Remove needless reference in ParentHirIterator
It forces an intermediate binding of `Map` which is a Copy type.
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Check for shadowing issues involving block labels
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Skip single use lifetime lint for generated opaque types
Fix: #77175
The opaque type generated by the desugaring process of an async function uses the lifetimes defined by the originating function. The DefId for the lifetimes in the opaque type are different from the ones in the originating async function - as they should be, as far as I understand, and could therefore be considered a single use lifetimes, this causes the single_use_lifetimes lint to fail compilation if explicitly denied. This fix skips the lint for lifetimes used only once in generated opaque types for an async function that are declared in the parent async function definition.
More info in the comments on the original issue: 1 and 2
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Use smaller spans for some structured suggestions
Use more accurate suggestion spans for
* argument parse error
* fully qualified path
* missing code block type
* numeric casts
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rustc: Remove local variable IDs from `Export`s
Local variables can never be exported.
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Encode spans relative to the enclosing item
The aim of this PR is to avoid recomputing queries when code is moved without modification.
MCP at https://github.com/rust-lang/compiler-team/issues/443
This is achieved by :
1. storing the HIR owner LocalDefId information inside the span;
2. encoding and decoding spans relative to the enclosing item in the incremental on-disk cache;
3. marking a dependency to the `source_span(LocalDefId)` query when we translate a span from the short (`Span`) representation to its explicit (`SpanData`) representation.
Since all client code uses `Span`, step 3 ensures that all manipulations
of span byte positions actually create the dependency edge between
the caller and the `source_span(LocalDefId)`.
This query return the actual absolute span of the parent item.
As a consequence, any source code motion that changes the absolute byte position of a node will either:
- modify the distance to the parent's beginning, so change the relative span's hash;
- dirty `source_span`, and trigger the incremental recomputation of all code that
depends on the span's absolute byte position.
With this scheme, I believe the dependency tracking to be accurate.
For the moment, the spans are marked during lowering.
I'd rather do this during def-collection,
but the AST MutVisitor is not practical enough just yet.
The only difference is that we attach macro-expanded spans
to their expansion point instead of the macro itself.
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Local variables can never be exported.
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This eliminates untracked global state from `Session`.
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As reported in issue #77175, the opaque type generated by the desugaring process of an async function uses the lifetimes defined by the originating function. The definition ID for the lifetimes in the opaque method is different from the one in the originating async function and it could therefore be considered a single use of the lifetimne, this causes the single_use_lifetimes lint to fail compilation if explicitly denied. This fix skips the lint for lifetimes used only once in generated opaque types for an async function that are declared in the parent async function definition.
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Detect bare blocks with type ascription that were meant to be a `struct` literal
Address part of #34255.
Potential improvement: silence the other knock down errors in `issue-34255-1.rs`.
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Move global analyses from lowering to resolution
Split off https://github.com/rust-lang/rust/pull/87234
r? `@petrochenkov`
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Address part of #34255.
Potential improvement: silence the other knock down errors in
`issue-34255-1.rs`.
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r=jyn514,GuillaumeGomez
some low hanging clippy::perf fixes
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:sparkles:
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Remove `Session.if_let_suggestions`
We can instead if either the LHS or RHS types contain
`TyKind::Error`. In addition to covering the case where
we would have previously updated `if_let_suggestions`, this might
also prevent redundant errors in other cases as well.
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We can instead if either the LHS or RHS types contain
`TyKind::Error`. In addition to covering the case where
we would have previously updated `if_let_suggestions`, this might
also prevent redundant errors in other cases as well.
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Remove `Session.used_attrs` and move logic to `CheckAttrVisitor`
Instead of updating global state to mark attributes as used,
we now explicitly emit a warning when an attribute is used in
an unsupported position. As a side effect, we are to emit more
detailed warning messages (instead of just a generic "unused" message).
`Session.check_name` is removed, since its only purpose was to mark
the attribute as used. All of the callers are modified to use
`Attribute.has_name`
Additionally, `AttributeType::AssumedUsed` is removed - an 'assumed
used' attribute is implemented by simply not performing any checks
in `CheckAttrVisitor` for a particular attribute.
We no longer emit unused attribute warnings for the `#[rustc_dummy]`
attribute - it's an internal attribute used for tests, so it doesn't
mark sense to treat it as 'unused'.
With this commit, a large source of global untracked state is removed.
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Add notes to macro-not-found diagnostics to point out how things with the same name were not a match.
This adds notes like:
```
error: cannot find derive macro `Serialize` in this scope
--> $DIR/issue-88206.rs:22:10
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LL | #[derive(Serialize)]
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note: `Serialize` is imported here, but it is not a derive macro
--> $DIR/issue-88206.rs:17:11
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LL | use hey::{Serialize, Deserialize};
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```
Fixes https://github.com/rust-lang/rust/issues/88206
Includes https://github.com/rust-lang/rust/pull/88229
r? `@estebank`
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Fix typos “a”→“an”
Fix typos in comments; found using a regex to find some easy instance of incorrect usage of a vs. an.
While automation was used to find these, every change was checked manually.
Changes in submodules get separate PRs:
* https://github.com/rust-lang/stdarch/pull/1201
* https://github.com/rust-lang/cargo/pull/9821
* https://github.com/rust-lang/miri/pull/1874
* https://github.com/rust-lang/rls/pull/1746
* https://github.com/rust-analyzer/rust-analyzer/pull/9984
_folks @ rust-analyzer are fast at merging…_
* https://github.com/rust-analyzer/rust-analyzer/pull/9985
* https://github.com/rust-analyzer/rust-analyzer/pull/9987
* https://github.com/rust-analyzer/rust-analyzer/pull/9989
_For `clippy`, I don’t know if the changes should better better be moved to a PR to the original repo._
<hr>
This has some overlap with #88226, but neither is a strict superset of the other.
If you want multiple commits, I can split it up; in that case, make sure to suggest a criterion for splitting.
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Stop tracking namespace in used_imports.
This changes `used_imports` from a `FxHashSet<(NodeId, Namespace)>` to a `FxHashSet<NodeId>`, as the Namespace information isn't used.
The only point that uses it did three lookups, `|=`'ing them together.
r? `@estebank`
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The information was tracked, but unused.
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