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obi1kenobi:pg/target-feature-not-unsafe-rustdoc-json, r=aDotInTheVoid
Don't mark `#[target_feature]` safe fns as unsafe in rustdoc JSON.
Fixes https://github.com/rust-lang/rust/issues/142655 by explicitly checking whether functions are safe but using `#[target_feature]`, instead of relying on the `FnHeader::is_unsafe()` method which considers such functions unsafe.
I don't believe this merits a bump of the rustdoc JSON `FORMAT_VERSION` constant, since the format is unchanged and this is just a small bugfix.
r? aDotInTheVoid
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Port several linking (linkage?) related attributes the new attribute system
This ports:
- `#[export_stable]`
- `#[ffi_const]`
- `#[ffi_pure]`
- `#[rustc_std_internal_symbol]`
Part of rust-lang/rust#131229
r? ``@oli-obk``
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Make `Default` const and add some `const Default` impls
Full list of `impl const Default` types:
- ()
- bool
- char
- std::ascii::Char
- usize
- u8
- u16
- u32
- u64
- u128
- i8
- i16
- i32
- i64
- i128
- f16
- f32
- f64
- f128
- std::marker::PhantomData<T>
- Option<T>
- std::iter::Empty<T>
- std::ptr::Alignment
- &[T]
- &mut [T]
- &str
- &mut str
- String
- Vec<T>
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Rollup of 7 pull requests
Successful merges:
- rust-lang/rust#142098 (Implement `int_format_into` feature)
- rust-lang/rust#143567 (Point to correct argument in Func Call when Self type fails trait bound)
- rust-lang/rust#143570 (consider nested cases for duplicate RPITIT)
- rust-lang/rust#143571 (remove `has_nested` from builtin candidates)
- rust-lang/rust#143586 (Fix wrong cache event query key)
- rust-lang/rust#143589 (const-block-as-pattern: do not refer to no-longer-existing nightly feature)
- rust-lang/rust#143608 (Fix in std::String docs)
r? `@ghost`
`@rustbot` modify labels: rollup
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const-block-as-pattern: do not refer to no-longer-existing nightly feature
Surely everyone who used this nightly feature has fixed their code by now. So let's not confused people on stable that try to use a const block as a pattern by referring to some dead nightly feature.
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consider nested cases for duplicate RPITIT
Fixes rust-lang/rust#143560
r? `@compiler-errors`
cc `@Zoxc`
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Point to correct argument in Func Call when Self type fails trait bound
Fixes rust-lang/rust#143336
When a trait bound fails due to the `Self` type parameter, `adjust_fulfillment_errors` now correctly points to the corresponding function argument instead of incorrectly pointing to other arguments. This is because `Call` may also need to handle the `self` parameter, and not just `MethodCall` needs to be handled, as rust-lang/rust#143336.
r? compiler
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Add `ty_span` query
r? `@compiler-errors`
fixes diagnostic regressions from https://github.com/rust-lang/rust/pull/142030
Also uses the new query in `check_const_item`
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Full list of `impl const Default` types:
- ()
- bool
- char
- Cell
- std::ascii::Char
- usize
- u8
- u16
- u32
- u64
- u128
- i8
- i16
- i32
- i64
- i128
- f16
- f32
- f64
- f128
- std::marker::PhantomData<T>
- Option<T>
- std::iter::Empty<T>
- std::ptr::Alignment
- &[T]
- &mut [T]
- &str
- &mut str
- String
- Vec<T>
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`loop_match`: fix 'no terminator on block'
tracking issue: https://github.com/rust-lang/rust/issues/132306
fixes https://github.com/rust-lang/rust/issues/143435
The argument `block` was not properly closed on an error path.
r? `@bjorn3`
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Regression tests for repr ICEs
Closes https://github.com/rust-lang/rust/issues/143522
Closes https://github.com/rust-lang/rust/issues/143479
Both issues were already (accidentally) fixed in this PR, but having the tests is nice https://github.com/rust-lang/rust/pull/143252
r? `@jdonszelmann`
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awhile -> a while where appropriate
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Do not suggest borrow that is already there in fully-qualified call
When encountering `&str::from("value")` do not suggest `&&str::from("value")`.
Fix #132041.
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Dont resolve instance of root in `mir_callgraph_cyclic`
`Instance::try_resolve` on a default trait body method will always fail, since it's still possible to further substitute. This leads to a cycle, since in `tests/mir-opt/inline_default_trait_body.rs`, both `Trait::a` and `Trait::b` need to consider the other to be cyclical, but since we couldn't resolve a body, we'd just consider *nothing* to be cyclical.
The root instance we care about when computing `mir_callgraph_cyclic` is trivial to compute (it's just `InstanceKind::Item`), so just replace it with a call to `Instance::new_raw`.
r? `@cjgillot` `@oli-obk`
Fixes rust-lang/rust#143534
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Move `stable_mir` back to its own crate
We've finished the refactoring, so it's time to move `stable_mir` back to its own crate.
This PR leaves an empty `rustc_internal` module with a `#[deprecated]` attribute in `rustc_smir` to let users know we just moved it to `stable_mir`.
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Fix short linker error output
This PR does 2 things:
- It removes the braces when there's a single element. This is required since brace expansion (at least in bash and zsh) only triggers if there's at least 2 elements.
- It removes the extra `.rlib` suffixes of the elements. See https://github.com/rust-lang/rust/pull/135707#discussion_r2185212393 for context.
Running `cargo +stage1 build` on the following program:
```rust
unsafe extern "C" {
fn foo() -> libc::c_int;
}
fn main() {
let x = unsafe { foo() } as u32;
// println!("{}", data_encoding::BASE64.encode(&x.to_le_bytes()));
}
```
Gives the following diff before and after the PR:
```diff
-/tmp/foo/target/debug/deps/{liblibc-faf416f178830595.rlib}.rlib
+/tmp/foo/target/debug/deps/liblibc-faf416f178830595.rlib
```
Running on the same program with the additional dependency, we get the following diff:
```diff
-/tmp/foo/target/debug/deps/{liblibc-faf416f178830595.rlib,libdata_encoding-84bb5aadfa9e8839.rlib}.rlib
+/tmp/foo/target/debug/deps/{liblibc-faf416f178830595,libdata_encoding-84bb5aadfa9e8839}.rlib
```
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Make tests/ui/abi/debug.rs cross-compile
Resumption of rust-lang/rust#141979, making the test cross-compile.
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When a trait bound fails due to the Self type parameter, adjust_fulfillment_errors
now correctly points to the corresponding function argument instead of incorrectly
pointing to other arguments.
Signed-off-by: xizheyin <xizheyin@smail.nju.edu.cn>
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Signed-off-by: xizheyin <xizheyin@smail.nju.edu.cn>
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Port `#[path]` to the new attribute parsing infrastructure
Ports `#[path]` to the new attribute parsing infrastructure for https://github.com/rust-lang/rust/issues/131229#issuecomment-2971353197
This PR duplicates a change from https://github.com/rust-lang/rust/pull/143237
Draft until that one is merged
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Align attr fixes
- Remove references to the superseded `repr(align)` syntax
- Allow the attribute on fn items in `extern` blocks
- Test attribute in combination with `async fn` and `dyn`
r? workingjubilee
Tracking issue: https://github.com/rust-lang/rust/issues/82232
`@rustbot` label A-attributes F-fn_align T-compiler
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Signed-off-by: Jonathan Brouwer <jonathantbrouwer@gmail.com>
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Signed-off-by: Jonathan Brouwer <jonathantbrouwer@gmail.com>
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Do not unify borrowed locals in CopyProp.
Instead of trying yet another scheme to unify borrowed locals in CopyProp, let's just stop trying. We had already enough miscompilations because of this.
I'm convinced it's possible to have both unification of some borrowed locals and soundness, but I don't have a simple and convincing formulation yet.
Fixes https://github.com/rust-lang/rust/issues/143491
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Organize macro tests a bit more
- Move some macro parsing tests from `tests/ui/parser` to `tests/ui/parser/macro`.
- Most macro tests use `macro` in the name, making it easy to find and run tests relevant to macros. However, a few use `mbe` instead. Rename those to say `macro`.
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r=jdonszelmann
Rewrite empty attribute lint for new attribute parser
cc `@jdonszelmann`
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distinguish the duplicate item of rpitit
Fixes rust-lang/rust#140796
r? compiler
cc `@Zoxc`
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Signed-off-by: Jonathan Brouwer <jonathantbrouwer@gmail.com>
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Signed-off-by: Jonathan Brouwer <jonathantbrouwer@gmail.com>
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