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| author | David Wood <david.wood2@arm.com> | 2025-04-09 16:49:28 +0000 |
|---|---|---|
| committer | David Wood <david.wood2@arm.com> | 2025-06-16 23:04:33 +0000 |
| commit | f0b84b8dcfc15c3936256ccb438b1d050620ff3c (patch) | |
| tree | c149ca8c4a6b95e7f69b56d558cd82512ca9409c /compiler/rustc_lint/src | |
| parent | 884d0e031a046af894b43180032c1803bb6d0834 (diff) | |
| download | rust-f0b84b8dcfc15c3936256ccb438b1d050620ff3c.tar.gz rust-f0b84b8dcfc15c3936256ccb438b1d050620ff3c.zip | |
lint: don't consider sizedness in upcastable lint
Adding a sizedness supertrait shouldn't require multiple vtables so shouldn't be linted against.
Diffstat (limited to 'compiler/rustc_lint/src')
| -rw-r--r-- | compiler/rustc_lint/src/multiple_supertrait_upcastable.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/rustc_lint/src/multiple_supertrait_upcastable.rs b/compiler/rustc_lint/src/multiple_supertrait_upcastable.rs index dea7c8ac708..3cc55eaa0f2 100644 --- a/compiler/rustc_lint/src/multiple_supertrait_upcastable.rs +++ b/compiler/rustc_lint/src/multiple_supertrait_upcastable.rs @@ -46,7 +46,8 @@ impl<'tcx> LateLintPass<'tcx> for MultipleSupertraitUpcastable { .tcx .explicit_super_predicates_of(def_id) .iter_identity_copied() - .filter_map(|(pred, _)| pred.as_trait_clause()); + .filter_map(|(pred, _)| pred.as_trait_clause()) + .filter(|pred| !cx.tcx.is_lang_item(pred.def_id(), hir::LangItem::MetaSized)); if direct_super_traits_iter.count() > 1 { cx.emit_span_lint( MULTIPLE_SUPERTRAIT_UPCASTABLE, |