Rollup of 8 pull requests #139980
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Rollup of 8 pull requests #139980
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Signed-off-by: Petros Angelatos <[email protected]>
This PR is fixing a regression introduced by rust-lang#121646 that can lead to a double free when dropping the channel. The details of the bug can be found in the corresponding crossbeam PR crossbeam-rs/crossbeam#1187 Signed-off-by: Petros Angelatos <[email protected]>
This allows us to better distinguish builtin and overloaded implicit dereferences.
Signed-off-by: onur-ozkan <[email protected]>
Signed-off-by: onur-ozkan <[email protected]>
Signed-off-by: onur-ozkan <[email protected]>
Signed-off-by: onur-ozkan <[email protected]>
Signed-off-by: onur-ozkan <[email protected]>
Signed-off-by: onur-ozkan <[email protected]>
Signed-off-by: onur-ozkan <[email protected]>
…uilder` to `Config`
Signed-off-by: onur-ozkan <[email protected]>
`#[target_feature]` attributes refer to a target-specific list of features. Enabling certain features can imply enabling other features. Certain features are always enabled on certain targets, since they are required by the target's ABI. Features can also be enabled indirectly based on other compiler flags. Feature information is ultimately known to `rustc`. Rather than force external tools to track it -- which may be wildly impractical due to `-C target-cpu` -- have `rustdoc` output `rustc`'s feature data.
Signed-off-by: onur-ozkan <[email protected]>
Signed-off-by: onur-ozkan <[email protected]>
Since this uses `pat_adjustments`, I've also tweaked the documentation to mention implicit deref patterns and made sure the pattern migration diagnostic logic accounts for it. I'll adjust `ExprUseVisitor` in a later commit and add some tests there for closure capture inference.
See the doc comment on `ResolvedPat` for more information. This and the next couple commits split resolution apart from checking for path, struct, and tuple struct patterns, in order to find the pattern's type before peeling the scrutinee. This helps us avoid peeling the scrutinee when the pattern could match it. The reason this handles errors from resolution after peeling is for struct and tuple struct patterns: we check their subpatterns even when they fail to resolve, to potentially catch more resolution errors. By doing this after peeling, we're able to use the updated `PatInfo`. I don't know if there's currently any observable difference from using the outdated `PatInfo`, but it could potentially be a source of subtle diagnostic bugs in the future, so I'm opting to peel first.
See the previous commit for details. This doesn't yet extract the struct pat's type's ADT def before peeling, but it should now be possible.
See the previous two commits.
This is the use for the previous commits' refactors; see the messages there for more information.
Implicit deref patterns allow previously ill-typed programs. Make sure they're still ill-typed without the feature gate. I've thrown in a test for `deref!(_)` too, though it seems it refers to `deref_patterns` as a library feature.
- Clarifies the uses of implicit and explicit deref patterns - Includes motivating examples for both syntaxes - Shows the interaction with match ergonomics for reference types - Cross-links with `string_deref_patterns` and `box_patterns` The examples are contrived, but hopefully the intent comes across.
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…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#138528 (deref patterns: implement implicit deref patterns) - rust-lang#138934 (support config extensions) - rust-lang#139393 (rustdoc-json: Output target feature information) - rust-lang#139553 (sync::mpsc: prevent double free on `Drop`) - rust-lang#139615 (Remove `name_or_empty`) - rust-lang#139853 (Disable combining LLD with external llvm-config) - rust-lang#139913 (rustdoc/clean: Fix lowering of fn params (fixes correctness & HIR vs. middle parity regressions)) - rust-lang#139942 (Ignore aix for tests/ui/erros/pic-linker.rs) r? `@ghost` `@rustbot` modify labels: rollup
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…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#138528 (deref patterns: implement implicit deref patterns) - rust-lang#138934 (support config extensions) - rust-lang#139393 (rustdoc-json: Output target feature information) - rust-lang#139553 (sync::mpsc: prevent double free on `Drop`) - rust-lang#139615 (Remove `name_or_empty`) - rust-lang#139853 (Disable combining LLD with external llvm-config) - rust-lang#139913 (rustdoc/clean: Fix lowering of fn params (fixes correctness & HIR vs. middle parity regressions)) - rust-lang#139942 (Ignore aix for tests/ui/erros/pic-linker.rs) r? `@ghost` `@rustbot` modify labels: rollup
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Successful merges:
Drop#139553 (sync::mpsc: prevent double free onDrop)name_or_empty#139615 (Removename_or_empty)r? @ghost
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