rustdoc: skip `MetaSized` bounds

These should never be shown to users at the moment.

1 files changed, 16 insertions, 2 deletions

diff --git a/src/librustdoc/clean/inline.rs b/src/librustdoc/clean/inline.rs
index 9b5491310b4..dcd499d5f0d 100644
--- a/src/librustdoc/clean/inline.rs
+++ b/src/librustdoc/clean/inline.rs
@@ -265,13 +265,27 @@ pub(crate) fn build_trait(cx: &mut DocContext<'_>, did: DefId) -> clean::Trait {
         .collect();
 
     let generics = clean_ty_generics(cx, did);
-    let (generics, supertrait_bounds) = separate_self_bounds(generics);
+    let (generics, mut supertrait_bounds) = separate_self_bounds(generics);
+
+    supertrait_bounds.retain(|b| {
+        // FIXME(sized-hierarchy): Always skip `MetaSized` bounds so that only `?Sized`
+        // is shown and none of the new sizedness traits leak into documentation.
+        !b.is_meta_sized_bound(cx)
+    });
+
     clean::Trait { def_id: did, generics, items: trait_items, bounds: supertrait_bounds }
 }
 
 fn build_trait_alias(cx: &mut DocContext<'_>, did: DefId) -> clean::TraitAlias {
     let generics = clean_ty_generics(cx, did);
-    let (generics, bounds) = separate_self_bounds(generics);
+    let (generics, mut bounds) = separate_self_bounds(generics);
+
+    bounds.retain(|b| {
+        // FIXME(sized-hierarchy): Always skip `MetaSized` bounds so that only `?Sized`
+        // is shown and none of the new sizedness traits leak into documentation.
+        !b.is_meta_sized_bound(cx)
+    });
+
     clean::TraitAlias { generics, bounds }
 }