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diff --git a/tests/rustdoc/private/inner-private-110422.rs b/tests/rustdoc/private/inner-private-110422.rs
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+++ b/tests/rustdoc/private/inner-private-110422.rs
@@ -0,0 +1,64 @@
+// Regression test for <https://github.com/rust-lang/rust/issues/110422>.
+// This test ensures that inner items (except for implementations and macros)
+// don't appear in documentation.
+
+//@ compile-flags: --document-private-items
+
+#![crate_name = "foo"]
+
+//@ has 'foo/index.html'
+// Checking there is no "trait" entry.
+//@ count - '//*[@id="main-content"]/*[@class="section-header"]' 4
+//@ has - '//*[@id="main-content"]/*[@class="section-header"]' 'Structs'
+//@ has - '//*[@id="main-content"]/*[@class="section-header"]' 'Constants'
+//@ has - '//*[@id="main-content"]/*[@class="section-header"]' 'Functions'
+//@ has - '//*[@id="main-content"]/*[@class="section-header"]' 'Macros'
+
+//@ has - '//a[@href="fn.foo.html"]' 'foo'
+fn foo() {
+    fn bar() {}
+
+    //@ has - '//a[@class="macro"]' 'visible_macro'
+    //@ !has - '//a[@class="macro"]' 'non_visible_macro'
+    //@ has 'foo/macro.visible_macro.html'
+    //@ !has 'foo/macro.non_visible_macro.html'
+    #[macro_export]
+    macro_rules! visible_macro {
+        () => {}
+    }
+
+    macro_rules! non_visible_macro {
+        () => {}
+    }
+}
+
+//@ has 'foo/index.html'
+//@ has - '//a[@href="struct.Bar.html"]' 'Bar'
+struct Bar;
+
+const BAR: i32 = {
+    //@ !has - '//a[@href="fn.yo.html"]' 'yo'
+    //@ !has 'foo/fn.yo.html'
+    fn yo() {}
+
+    //@ !has 'foo/index.html' '//a[@href="trait.Foo.html"]' 'Foo'
+    //@ !has 'foo/trait.Foo.html'
+    trait Foo {
+        fn babar() {}
+    }
+    impl Foo for Bar {}
+
+    //@ has 'foo/struct.Bar.html'
+    //@ has - '//*[@id="method.foo"]/*[@class="code-header"]' 'pub(crate) fn foo()'
+    //@ count - '//*[@id="main-content"]/*[@class="section-header"]' 3
+    // We now check that the `Foo` trait is not documented nor visible on `Bar` page.
+    //@ has - '//*[@id="main-content"]/*[@class="section-header"]' 'Implementations'
+    //@ has - '//*[@id="main-content"]/*[@class="section-header"]' 'Auto Trait Implementations'
+    //@ has - '//*[@id="main-content"]/*[@class="section-header"]' 'Blanket Implementations'
+    //@ !has - '//*[@href="trait.Foo.html#method.babar"]/*[@class="code-header"]' 'fn babar()'
+    impl Bar {
+        fn foo() {}
+    }
+
+    1
+};