diff options
| -rw-r--r-- | clippy_lints/src/missing_fields_in_debug.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/clippy_lints/src/missing_fields_in_debug.rs b/clippy_lints/src/missing_fields_in_debug.rs index b6f0de7e504..1138d1163a4 100644 --- a/clippy_lints/src/missing_fields_in_debug.rs +++ b/clippy_lints/src/missing_fields_in_debug.rs @@ -207,6 +207,11 @@ impl<'tcx> LateLintPass<'tcx> for MissingFieldsInDebug { if let ItemKind::Impl(Impl { of_trait: Some(trait_ref), self_ty, items, .. }) = item.kind && let Res::Def(DefKind::Trait, trait_def_id) = trait_ref.path.res && let TyKind::Path(QPath::Resolved(_, self_path)) = &self_ty.kind + // don't trigger if self is a generic parameter, e.g. `impl<T> Debug for T` + // this can only happen in core itself, where the trait is defined, + // but it caused ICEs in the past: + // https://github.com/rust-lang/rust-clippy/issues/10887 + && !matches!(self_path.res, Res::Def(DefKind::TyParam, _)) && cx.match_def_path(trait_def_id, &[sym::core, sym::fmt, sym::Debug]) // don't trigger if this impl was derived && !cx.tcx.has_attr(item.owner_id, sym::automatically_derived) |