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Author: TaKO8Ki

compiler/rustc_trait_selection/src/error_reporting/traits/fulfillment_errors.rs

@@ -2596,7 +2596,7 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
             trait_def_id != *def_id
                 && trait_name == self.tcx.item_name(def_id)
                 && trait_has_same_params(*def_id)
-                // `PointeeSized` is removed during lowering.
+                // Skip `PointeeSized` here to avoid creating `PointeeSized` solver obligations during error reporting.
                 && !self.tcx.is_lang_item(*def_id, LangItem::PointeeSized)
                 && self.predicate_must_hold_modulo_regions(&Obligation::new(
                     self.tcx,