Rollup of 4 pull requests #96494
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Rollup of 4 pull requests #96494
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The code currently ignores the actual delimiter on the RHS and fakes up a `NoDelim`/`DelimSpan::dummy()` one. This commit changes it to use the actual delimiter. The commit also reorders the fields for the `Delimited` variant to match the `Sequence` variant.
…trochenkov
make `fn() -> _ { .. }` suggestion MachineApplicable
This might not be valid, but it would be nice to promote this to `MachineApplicable` so people can use rustfix here.
Also de65fcf009d07019689cfad7f327667e390a325d is to [restore the suggestion for `issue-77179.rs`](rust-lang@de65fcf#diff-12e43fb5d6d12ec7cb5c6b48204a18d113cf5de0e12eb71a358b639bd9aadaf0R8). (though in this case, the code in that issue still doesn't compile, so it's not marked with rustfix).
Make EncodeWide implement FusedIterator [`EncodeUtf16`](https://doc.rust-lang.org/std/str/struct.EncodeUtf16.html) and [`EncodeWide`](https://doc.rust-lang.org/std/os/windows/ffi/struct.EncodeWide.html) currently serve similar purposes: They convert from UTF-8 to UTF-16 and WTF-8 to WTF-16, respectively. `EncodeUtf16` wraps a &str, whereas `EncodeWide` wraps an &OsStr. When Iteration has concluded, these iterators wrap an empty slice, which will forever yield `None` values. Hence, `EncodeUtf16` rightfully implements `FusedIterator`. However, `EncodeWide` in contrast does not, even though it serves an almost identical purpose. This PR attempts to fix that issue. I consider this change minor and non-controversial, hence why I have not added a RFC/FCP. Please let me know if the stability attribute is wrong or contains a wrong version number. Thanks in advance. Fixes rust-lang#96368
…enkov Less `NoDelim` Currently there are several places where `NoDelim` (which really means "implicit delimiter" or "invisible delimiter") is used to mean "no delimiter". The name `NoDelim` is a bit misleading, and may be a cause. This PR changes these places, e.g. by changing a `DelimToken` to `Option<DelimToken>` and then using `None` to mean "no delimiter". As a result, the *only* place where `NoDelim` values are now produced is within: - `Delimiter::to_internal()`, when converting from `Delimiter::None`. - `FlattenNonterminals::process_token()`, when converting `TokenKind::Interpolated`. r? ```@petrochenkov```
not need `Option` for `dbg_scope` This PR fixes a few FIXME about not using `Option` in `dbg_scope` field of `DebugScope`, during `create_function_debug_context` func in codegen parts. Added a `BitSet<SourceScope>` parameter to `make_mir_scope` to indicate whether the `DebugScope` has been instantiated. cc ```@eddyb```
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Successful merges:
fn() -> _ { .. }suggestion MachineApplicable #96377 (makefn() -> _ { .. }suggestion MachineApplicable)NoDelim#96421 (LessNoDelim)Optionfordbg_scope#96432 (not needOptionfordbg_scope)Failed merges:
proc_macro::Delimiter#96433 (rustc_ast: Harmonize delimiter naming withproc_macro::Delimiter)r? @ghost
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