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Auto merge of #145552 - Zalathar:rollup-l0f96kg, r=<try>
Rollup of 19 pull requests try-job: test-various try-job: x86_64-gnu-llvm-19-3 try-job: dist-ohos-x86_64 try-job: aarch64-apple
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‎Cargo.lock

Lines changed: 112 additions & 112 deletions
Large diffs are not rendered by default.

‎compiler/rustc_attr_parsing/messages.ftl

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -12,9 +12,11 @@ attr_parsing_empty_attribute =
1212
1313
attr_parsing_invalid_target = `#[{$name}]` attribute cannot be used on {$target}
1414
.help = `#[{$name}]` can {$only}be applied to {$applied}
15+
.suggestion = remove the attribute
1516
attr_parsing_invalid_target_lint = `#[{$name}]` attribute cannot be used on {$target}
1617
.warn = {-attr_parsing_previously_accepted}
1718
.help = `#[{$name}]` can {$only}be applied to {$applied}
19+
.suggestion = remove the attribute
1820
1921
attr_parsing_empty_confusables =
2022
expected at least one confusable name

‎compiler/rustc_attr_parsing/src/attributes/inline.rs

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -62,8 +62,8 @@ impl<S: Stage> SingleAttributeParser<S> for InlineParser {
6262
}
6363
}
6464
ArgParser::NameValue(_) => {
65-
let suggestions =
66-
<Self as SingleAttributeParser<S>>::TEMPLATE.suggestions(false, "inline");
65+
let suggestions = <Self as SingleAttributeParser<S>>::TEMPLATE
66+
.suggestions(cx.attr_style, "inline");
6767
let span = cx.attr_span;
6868
cx.emit_lint(AttributeLintKind::IllFormedAttributeInput { suggestions }, span);
6969
return None;

‎compiler/rustc_attr_parsing/src/attributes/macro_attrs.rs

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -107,7 +107,7 @@ impl<S: Stage> AttributeParser<S> for MacroUseParser {
107107
}
108108
}
109109
ArgParser::NameValue(_) => {
110-
let suggestions = MACRO_USE_TEMPLATE.suggestions(false, sym::macro_use);
110+
let suggestions = MACRO_USE_TEMPLATE.suggestions(cx.attr_style, sym::macro_use);
111111
cx.emit_err(session_diagnostics::IllFormedAttributeInputLint {
112112
num_suggestions: suggestions.len(),
113113
suggestions: DiagArgValue::StrListSepByAnd(

‎compiler/rustc_attr_parsing/src/attributes/must_use.rs

Lines changed: 20 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -1,10 +1,12 @@
11
use rustc_errors::DiagArgValue;
22
use rustc_feature::{AttributeTemplate, template};
33
use rustc_hir::attrs::AttributeKind;
4+
use rustc_hir::{MethodKind, Target};
45
use rustc_span::{Symbol, sym};
56

67
use crate::attributes::{AttributeOrder, OnDuplicate, SingleAttributeParser};
7-
use crate::context::{ALL_TARGETS, AcceptContext, AllowedTargets, Stage};
8+
use crate::context::MaybeWarn::{Allow, Error};
9+
use crate::context::{AcceptContext, AllowedTargets, Stage};
810
use crate::parser::ArgParser;
911
use crate::session_diagnostics;
1012
pub(crate) struct MustUseParser;
@@ -13,7 +15,21 @@ impl<S: Stage> SingleAttributeParser<S> for MustUseParser {
1315
const PATH: &[Symbol] = &[sym::must_use];
1416
const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepOutermost;
1517
const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::WarnButFutureError;
16-
const ALLOWED_TARGETS: AllowedTargets = AllowedTargets::AllowList(ALL_TARGETS); //FIXME Still checked fully in `check_attr.rs`
18+
const ALLOWED_TARGETS: AllowedTargets = AllowedTargets::AllowListWarnRest(&[
19+
Allow(Target::Fn),
20+
Allow(Target::Enum),
21+
Allow(Target::Struct),
22+
Allow(Target::Union),
23+
Allow(Target::Method(MethodKind::Trait { body: false })),
24+
Allow(Target::Method(MethodKind::Trait { body: true })),
25+
Allow(Target::Method(MethodKind::Inherent)),
26+
Allow(Target::ForeignFn),
27+
// `impl Trait` in return position can trip
28+
// `unused_must_use` if `Trait` is marked as
29+
// `#[must_use]`
30+
Allow(Target::Trait),
31+
Error(Target::WherePredicate),
32+
]);
1733
const TEMPLATE: AttributeTemplate = template!(
1834
Word, NameValueStr: "reason",
1935
"https://doc.rust-lang.org/reference/attributes/diagnostics.html#the-must_use-attribute"
@@ -35,8 +51,8 @@ impl<S: Stage> SingleAttributeParser<S> for MustUseParser {
3551
Some(value_str)
3652
}
3753
ArgParser::List(_) => {
38-
let suggestions =
39-
<Self as SingleAttributeParser<S>>::TEMPLATE.suggestions(false, "must_use");
54+
let suggestions = <Self as SingleAttributeParser<S>>::TEMPLATE
55+
.suggestions(cx.attr_style, "must_use");
4056
cx.emit_err(session_diagnostics::IllFormedAttributeInputLint {
4157
num_suggestions: suggestions.len(),
4258
suggestions: DiagArgValue::StrListSepByAnd(

‎compiler/rustc_attr_parsing/src/attributes/test_attrs.rs

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -29,7 +29,7 @@ impl<S: Stage> SingleAttributeParser<S> for IgnoreParser {
2929
ArgParser::NameValue(name_value) => {
3030
let Some(str_value) = name_value.value_as_str() else {
3131
let suggestions = <Self as SingleAttributeParser<S>>::TEMPLATE
32-
.suggestions(false, "ignore");
32+
.suggestions(cx.attr_style, "ignore");
3333
let span = cx.attr_span;
3434
cx.emit_lint(
3535
AttributeLintKind::IllFormedAttributeInput { suggestions },
@@ -40,8 +40,8 @@ impl<S: Stage> SingleAttributeParser<S> for IgnoreParser {
4040
Some(str_value)
4141
}
4242
ArgParser::List(_) => {
43-
let suggestions =
44-
<Self as SingleAttributeParser<S>>::TEMPLATE.suggestions(false, "ignore");
43+
let suggestions = <Self as SingleAttributeParser<S>>::TEMPLATE
44+
.suggestions(cx.attr_style, "ignore");
4545
let span = cx.attr_span;
4646
cx.emit_lint(AttributeLintKind::IllFormedAttributeInput { suggestions }, span);
4747
return None;

‎compiler/rustc_attr_parsing/src/context.rs

Lines changed: 17 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -5,7 +5,7 @@ use std::sync::LazyLock;
55

66
use itertools::Itertools;
77
use private::Sealed;
8-
use rustc_ast::{self as ast, LitKind, MetaItemLit, NodeId};
8+
use rustc_ast::{self as ast, AttrStyle, LitKind, MetaItemLit, NodeId};
99
use rustc_errors::{DiagCtxtHandle, Diagnostic};
1010
use rustc_feature::{AttributeTemplate, Features};
1111
use rustc_hir::attrs::AttributeKind;
@@ -313,6 +313,7 @@ pub struct AcceptContext<'f, 'sess, S: Stage> {
313313
/// The span of the attribute currently being parsed
314314
pub(crate) attr_span: Span,
315315

316+
pub(crate) attr_style: AttrStyle,
316317
/// The expected structure of the attribute.
317318
///
318319
/// Used in reporting errors to give a hint to users what the attribute *should* look like.
@@ -394,6 +395,7 @@ impl<'f, 'sess: 'f, S: Stage> AcceptContext<'f, 'sess, S> {
394395
i.kind.is_bytestr().then(|| self.sess().source_map().start_point(i.span))
395396
}),
396397
},
398+
attr_style: self.attr_style,
397399
})
398400
}
399401

@@ -404,6 +406,7 @@ impl<'f, 'sess: 'f, S: Stage> AcceptContext<'f, 'sess, S> {
404406
template: self.template.clone(),
405407
attribute: self.attr_path.clone(),
406408
reason: AttributeParseErrorReason::ExpectedIntegerLiteral,
409+
attr_style: self.attr_style,
407410
})
408411
}
409412

@@ -414,6 +417,7 @@ impl<'f, 'sess: 'f, S: Stage> AcceptContext<'f, 'sess, S> {
414417
template: self.template.clone(),
415418
attribute: self.attr_path.clone(),
416419
reason: AttributeParseErrorReason::ExpectedList,
420+
attr_style: self.attr_style,
417421
})
418422
}
419423

@@ -424,6 +428,7 @@ impl<'f, 'sess: 'f, S: Stage> AcceptContext<'f, 'sess, S> {
424428
template: self.template.clone(),
425429
attribute: self.attr_path.clone(),
426430
reason: AttributeParseErrorReason::ExpectedNoArgs,
431+
attr_style: self.attr_style,
427432
})
428433
}
429434

@@ -435,6 +440,7 @@ impl<'f, 'sess: 'f, S: Stage> AcceptContext<'f, 'sess, S> {
435440
template: self.template.clone(),
436441
attribute: self.attr_path.clone(),
437442
reason: AttributeParseErrorReason::ExpectedIdentifier,
443+
attr_style: self.attr_style,
438444
})
439445
}
440446

@@ -447,6 +453,7 @@ impl<'f, 'sess: 'f, S: Stage> AcceptContext<'f, 'sess, S> {
447453
template: self.template.clone(),
448454
attribute: self.attr_path.clone(),
449455
reason: AttributeParseErrorReason::ExpectedNameValue(name),
456+
attr_style: self.attr_style,
450457
})
451458
}
452459

@@ -458,6 +465,7 @@ impl<'f, 'sess: 'f, S: Stage> AcceptContext<'f, 'sess, S> {
458465
template: self.template.clone(),
459466
attribute: self.attr_path.clone(),
460467
reason: AttributeParseErrorReason::DuplicateKey(key),
468+
attr_style: self.attr_style,
461469
})
462470
}
463471

@@ -470,6 +478,7 @@ impl<'f, 'sess: 'f, S: Stage> AcceptContext<'f, 'sess, S> {
470478
template: self.template.clone(),
471479
attribute: self.attr_path.clone(),
472480
reason: AttributeParseErrorReason::UnexpectedLiteral,
481+
attr_style: self.attr_style,
473482
})
474483
}
475484

@@ -480,6 +489,7 @@ impl<'f, 'sess: 'f, S: Stage> AcceptContext<'f, 'sess, S> {
480489
template: self.template.clone(),
481490
attribute: self.attr_path.clone(),
482491
reason: AttributeParseErrorReason::ExpectedSingleArgument,
492+
attr_style: self.attr_style,
483493
})
484494
}
485495

@@ -490,6 +500,7 @@ impl<'f, 'sess: 'f, S: Stage> AcceptContext<'f, 'sess, S> {
490500
template: self.template.clone(),
491501
attribute: self.attr_path.clone(),
492502
reason: AttributeParseErrorReason::ExpectedAtLeastOneArgument,
503+
attr_style: self.attr_style,
493504
})
494505
}
495506

@@ -508,6 +519,7 @@ impl<'f, 'sess: 'f, S: Stage> AcceptContext<'f, 'sess, S> {
508519
strings: false,
509520
list: false,
510521
},
522+
attr_style: self.attr_style,
511523
})
512524
}
513525

@@ -526,6 +538,7 @@ impl<'f, 'sess: 'f, S: Stage> AcceptContext<'f, 'sess, S> {
526538
strings: false,
527539
list: true,
528540
},
541+
attr_style: self.attr_style,
529542
})
530543
}
531544

@@ -544,6 +557,7 @@ impl<'f, 'sess: 'f, S: Stage> AcceptContext<'f, 'sess, S> {
544557
strings: true,
545558
list: false,
546559
},
560+
attr_style: self.attr_style,
547561
})
548562
}
549563

@@ -802,6 +816,7 @@ impl<'sess> AttributeParser<'sess, Early> {
802816
},
803817
},
804818
attr_span: attr.span,
819+
attr_style: attr.style,
805820
template,
806821
attr_path: path.get_attribute_path(),
807822
};
@@ -912,6 +927,7 @@ impl<'sess, S: Stage> AttributeParser<'sess, S> {
912927
emit_lint: &mut emit_lint,
913928
},
914929
attr_span: lower_span(attr.span),
930+
attr_style: attr.style,
915931
template: &accept.template,
916932
attr_path: path.get_attribute_path(),
917933
};

‎compiler/rustc_attr_parsing/src/lints.rs

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -53,6 +53,7 @@ pub fn emit_attribute_lint<L: LintEmitter>(lint: &AttributeLint<HirId>, lint_emi
5353
target: target.plural_name(),
5454
applied: applied.clone(),
5555
only,
56+
attr_span: *span,
5657
},
5758
),
5859
}

‎compiler/rustc_attr_parsing/src/session_diagnostics.rs

Lines changed: 7 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
11
use std::num::IntErrorKind;
22

3-
use rustc_ast as ast;
3+
use rustc_ast::{self as ast, AttrStyle};
44
use rustc_errors::codes::*;
55
use rustc_errors::{
66
Applicability, Diag, DiagArgValue, DiagCtxtHandle, Diagnostic, EmissionGuarantee, Level,
@@ -489,13 +489,16 @@ pub(crate) struct InvalidTargetLint {
489489
pub target: &'static str,
490490
pub applied: String,
491491
pub only: &'static str,
492+
#[suggestion(code = "", applicability = "machine-applicable", style = "tool-only")]
493+
pub attr_span: Span,
492494
}
493495

494496
#[derive(Diagnostic)]
495497
#[help]
496498
#[diag(attr_parsing_invalid_target)]
497499
pub(crate) struct InvalidTarget {
498500
#[primary_span]
501+
#[suggestion(code = "", applicability = "machine-applicable", style = "tool-only")]
499502
pub span: Span,
500503
pub name: Symbol,
501504
pub target: &'static str,
@@ -579,6 +582,7 @@ pub(crate) enum AttributeParseErrorReason {
579582
pub(crate) struct AttributeParseError {
580583
pub(crate) span: Span,
581584
pub(crate) attr_span: Span,
585+
pub(crate) attr_style: AttrStyle,
582586
pub(crate) template: AttributeTemplate,
583587
pub(crate) attribute: AttrPath,
584588
pub(crate) reason: AttributeParseErrorReason,
@@ -717,7 +721,8 @@ impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for AttributeParseError {
717721
if let Some(link) = self.template.docs {
718722
diag.note(format!("for more information, visit <{link}>"));
719723
}
720-
let suggestions = self.template.suggestions(false, &name);
724+
let suggestions = self.template.suggestions(self.attr_style, &name);
725+
721726
diag.span_suggestions(
722727
self.attr_span,
723728
if suggestions.len() == 1 {

‎compiler/rustc_borrowck/messages.ftl

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -90,7 +90,7 @@ borrowck_lifetime_constraints_error =
9090
lifetime may not live long enough
9191
9292
borrowck_limitations_implies_static =
93-
due to current limitations in the borrow checker, this implies a `'static` lifetime
93+
due to a current limitation of the type system, this implies a `'static` lifetime
9494
9595
borrowck_move_closure_suggestion =
9696
consider adding 'move' keyword before the nested closure

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