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Signed-off-by: xizheyin <xizheyin@smail.nju.edu.cn>
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Make `AsyncDrop` check that it's being implemented on a local ADT
Fixes https://github.com/rust-lang/rust/issues/143691
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Remove false label when `self` resolve failure does not relate to macro
Fixes rust-lang/rust#143134
In the first commit, I did some code-clean, moving `suggest*` to `suggestions/` dir.
In the second, commit, I added ui test.
In the third, I change the code, and present the test result.
r? compiler
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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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Rollup of 18 pull requests
Successful merges:
- rust-lang/rust#137843 (make RefCell unstably const)
- rust-lang/rust#140942 (const-eval: allow constants to refer to mutable/external memory, but reject such constants as patterns)
- rust-lang/rust#142549 (small iter.intersperse.fold() optimization)
- rust-lang/rust#142637 (Remove some glob imports from the type system)
- rust-lang/rust#142647 ([perf] Compute hard errors without diagnostics in impl_intersection_has_impossible_obligation)
- rust-lang/rust#142700 (Remove incorrect comments in `Weak`)
- rust-lang/rust#142927 (Add note to `find_const_ty_from_env`)
- rust-lang/rust#142967 (Fix RwLock::try_write documentation for WouldBlock condition)
- rust-lang/rust#142986 (Port `#[export_name]` to the new attribute parsing infrastructure)
- rust-lang/rust#143001 (Rename run always )
- rust-lang/rust#143010 (Update `browser-ui-test` version to `0.20.7`)
- rust-lang/rust#143015 (Add `sym::macro_pin` diagnostic item for `core::pin::pin!()`)
- rust-lang/rust#143033 (Expand const-stabilized API links in relnotes)
- rust-lang/rust#143041 (Remove cache for citool)
- rust-lang/rust#143056 (Move an ACE test out of the GCI directory)
- rust-lang/rust#143059 (Fix 1.88 relnotes)
- rust-lang/rust#143067 (Tracking issue number for `iter_macro`)
- rust-lang/rust#143073 (Fix some fixmes that were waiting for let chains)
Failed merges:
- rust-lang/rust#143020 (codegen_fn_attrs: make comment more precise)
r? `@ghost`
`@rustbot` modify labels: rollup
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variadic functions: remove list of supported ABIs from error
I think this list is problematic for multiple reasons:
- It is bound to go out-of-date as it is in a very different place from where we actually define which functions support varagrs (`fn supports_varargs`).
- Many of the ABIs we list only work on some targets; it makes no sense to mention "aapcs" as a possible ABI when building for x86_64. (This led to a lot of confusion in https://github.com/rust-lang/rust/issues/110505 where the author thought they should use "cdecl" and then were promptly told that "cdecl" is not a legal ABI on their target.)
- Typically, when the programmer wrote `extern "foobar"`, it is because they need the "foobar" ABI. It is of little use to tell them that there are other ABIs with which varargs would work.
Cc ``@workingjubilee``
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const-eval error: always say in which item the error occurred
I don't see why "is this generic" should make a difference. It may be reasonable to key this on whether the error occurs in a `const fn` that was invoked by a const (making it non-obvious which constant it is) vs inside the body of the const.
r? `@oli-obk`
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also adjust the wording a little so that we don't say "the error occurred here" for two different spans
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```
error[E0604]: only `u8` can be cast as `char`, not `u32`
--> $DIR/E0604.rs:2:5
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LL | 1u32 as char;
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help: try `char::from_u32` instead
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LL - 1u32 as char;
LL + char::from_u32(1u32);
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```
```
error[E0620]: cast to unsized type: `&[u8]` as `[char]`
--> $DIR/cast-to-slice.rs:6:5
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LL | arr as [char];
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help: try casting to a reference instead
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LL | arr as &[char];
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```
```
error[E0620]: cast to unsized type: `Box<{integer}>` as `dyn Send`
--> $DIR/cast-to-unsized-trait-object-suggestion.rs:3:5
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LL | Box::new(1) as dyn Send;
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help: you can cast to a `Box` instead
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LL | Box::new(1) as Box<dyn Send>;
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```
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r=compiler-errors
Use non-2015 edition paths in tests that do not test for their resolution
This allows for testing these tests on editions other than 2015
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Use the informative error as the main const eval error message
r? `@RalfJung`
I only did the minimal changes necessary to the const eval error machinery. I'd prefer not to mix test changes with refactorings 😆
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This allows for testing these tests on editions other than 2015
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This ensures that these tests can be run on editions other than 2015
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HIR ty lowering: Clean up & refactor the lowering of type-relative paths
While rebasing #126651 I realized that HIR ty lowering could benefit from some *spring cleaning* now that it's been extended to handle RTN and mGCA paths.
More seriously, similar to my merged PR #118668 which unified the handling of all *associated item constraints* (assoc ty, const (ACE) & fn (RTN)), this PR (commit https://github.com/rust-lang/rust/pull/140218/commits/695fcf517d8864b4812225643ef8cfc036ba9f61) partially[^1] deduplicates the resolution code for all *type-relative paths* (assoc ty, const (mGCA) & fn (RTN)).
**Why**? DRY'ing that part of the code means PR #126651 will automatically support RTN paths like `Ty::AssocTy::assoc_fn(..)` and it also implies shared diagnostic code and thus better diagnostics for RTN.
---
The other commits represent cleanups, renamings, moves. More notably, I've renamed path lowering methods to be a lot more descriptive, so ones lowering `QPath(Resolved)` paths now have `_resolved_` in their name and ones lowering `QPath(TypeRelative)` paths now have `_type_relative_` in their name. This should make it stupidly obvious what their purpose is.
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Best reviewed commit by commit. The changes are close to trivial but the diff might make it look hairier.
r? compiler-errors
[^1]: Sadly, I couldn't unify as much compared to the other PR without introducing unnecessary `unreachable!()`s or rendering the code otherwise illegible with flags and micro helper traits.
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Most notably, this preserves the `(..)` of ambiguous RTN paths.
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when possible.
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Remove some dead or leftover code related to rustc-intrinsic abi removal
r? ```@RalfJung```
PR that removed the ABI: https://github.com/rust-lang/rust/pull/139455
tracking issue: https://github.com/rust-lang/rust/issues/132735
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Clean up some tests in tests/ui
I cleaned up 3 top level tests, keeping the changes minor because it is my first PR and wanted to get feedback before doing more changes/PRs.
Tracking issues:
https://github.com/rust-lang/rust/issues/73494
https://github.com/rust-lang/rust/issues/133895
r? jieyouxu
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For macros that are implemented on the compiler, we do *not* mention the `-Zmacro-backtrace` flag. This includes `derive`s and standard macros.
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