Add regression test for #96079

Author: GuillaumeGomez

src/test/rustdoc/early-unindent.rs

@@ -0,0 +1,26 @@
+// This is a regression for https://github.com/rust-lang/rust/issues/96079.
+
+#![crate_name = "foo"]
+
+pub mod app {
+    pub struct S;
+
+    impl S {
+        // @has 'foo/app/struct.S.html'
+        // @has - '//a[@href="../enums/enum.Foo.html#method.by_name"]' 'Foo::by_name'
+        /**
+        Doc comment hello! [`Foo::by_name`](`crate::enums::Foo::by_name`).
+        */
+        pub fn whatever(&self) {}
+    }
+}
+
+pub mod enums {
+    pub enum Foo {
+        Bar,
+    }
+
+    impl Foo {
+        pub fn by_name(&self) {}
+    }
+}