rustdoc: fix and refactor HTML rendering a bit

2 files changed, 13 insertions, 1 deletions

diff --git a/tests/rustdoc/bounds-in-multiple-parts.rs b/tests/rustdoc/bounds.rs
index 279e3c14888..da09e3f2a52 100644
--- a/tests/rustdoc/bounds-in-multiple-parts.rs
+++ b/tests/rustdoc/bounds.rs
@@ -18,3 +18,15 @@ pub trait T2 {
     fn f<T: Eq>()
         where Self: Eq, Self: Eq2, T: Eq2;
 }
+
+// Checking that we support empty bounds (we used to crash on empty outlives-bounds).
+// Note that we don't want to hide them since they have a semantic effect.
+// For outlives-bounds, they force the lifetime param to be early-bound instead of late-bound.
+// For trait bounds, it can affect well-formedness (see `ClauseKind::WellFormed`).
+// @has 'foo/fn.empty.html'
+// @has - '//pre[@class="rust item-decl"]' "empty<'a, T>()where T:, 'a:,"
+pub fn empty<'a, T>()
+    where
+        T:,
+        'a:,
+{}
diff --git a/tests/rustdoc/const-generics/generic_const_exprs.rs b/tests/rustdoc/const-generics/generic_const_exprs.rs
index e23b3006da6..2d2d31d7231 100644
--- a/tests/rustdoc/const-generics/generic_const_exprs.rs
+++ b/tests/rustdoc/const-generics/generic_const_exprs.rs
@@ -3,5 +3,5 @@
 #![allow(incomplete_features)]
 // make sure that `ConstEvaluatable` predicates dont cause rustdoc to ICE #77647
 // @has foo/struct.Ice.html '//pre[@class="rust item-decl"]' \
-//      'pub struct Ice<const N: usize>;'
+//      'pub struct Ice<const N: usize> where [(); { _ }]:;'
 pub struct Ice<const N: usize> where [(); N + 1]:;