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lints_that_dont_need_to_run: never skip future-compat-reported lints

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This commit is contained in:
Ralf Jung 2024-11-16 15:32:11 +01:00
parent 46e8d20301
commit df94818366
3 changed files with 27 additions and 16 deletions
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22
compiler/rustc_lint/src/levels.rs
View File

@ -123,17 +123,19 @@ fn lints_that_dont_need_to_run(tcx: TyCtxt<'_>, (): ()) -> FxIndexSet<LintId> {
let dont_need_to_run: FxIndexSet<LintId> = store
.get_lints()
.into_iter()
.filter(|lint| {
// Lints that show up in future-compat reports must always be run.
let has_future_breakage =
lint.future_incompatible.is_some_and(|fut| fut.reason.has_future_breakage());
!has_future_breakage && !lint.eval_always
})
.filter_map(|lint| {
if !lint.eval_always {
let lint_level = map.lint_level_id_at_node(tcx, LintId::of(lint), CRATE_HIR_ID);
if matches!(lint_level, (Level::Allow, ..))
|| (matches!(lint_level, (.., LintLevelSource::Default)))
&& lint.default_level(tcx.sess.edition()) == Level::Allow
{
Some(LintId::of(lint))
} else {
None
}
let lint_level = map.lint_level_id_at_node(tcx, LintId::of(lint), CRATE_HIR_ID);
if matches!(lint_level, (Level::Allow, ..))
|| (matches!(lint_level, (.., LintLevelSource::Default)))
&& lint.default_level(tcx.sess.edition()) == Level::Allow
{
Some(LintId::of(lint))
} else {
None
}

14
compiler/rustc_lint_defs/src/lib.rs
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@ -466,6 +466,20 @@ impl FutureIncompatibilityReason {
| FutureIncompatibilityReason::Custom(_) => None,
}
}
pub fn has_future_breakage(self) -> bool {
match self {
FutureIncompatibilityReason::FutureReleaseErrorReportInDeps => true,
FutureIncompatibilityReason::FutureReleaseErrorDontReportInDeps
| FutureIncompatibilityReason::FutureReleaseSemanticsChange
| FutureIncompatibilityReason::EditionError(_)
| FutureIncompatibilityReason::EditionSemanticsChange(_)
| FutureIncompatibilityReason::EditionAndFutureReleaseError(_)
| FutureIncompatibilityReason::EditionAndFutureReleaseSemanticsChange(_)
| FutureIncompatibilityReason::Custom(_) => false,
}
}
}
impl FutureIncompatibleInfo {

7
compiler/rustc_middle/src/lint.rs
View File

@ -290,12 +290,7 @@ pub fn lint_level(
let has_future_breakage = future_incompatible.map_or(
// Default allow lints trigger too often for testing.
sess.opts.unstable_opts.future_incompat_test && lint.default_level != Level::Allow,
|incompat| {
matches!(
incompat.reason,
FutureIncompatibilityReason::FutureReleaseErrorReportInDeps
)
},
|incompat| incompat.reason.has_future_breakage(),
);
// Convert lint level to error level.