diff --git a/src/test/rustdoc/auxiliary/my-core.rs b/src/test/rustdoc/auxiliary/my-core.rs
new file mode 100644
index 0000000000000..999dfbdd8a3f5
--- /dev/null
+++ b/src/test/rustdoc/auxiliary/my-core.rs
@@ -0,0 +1,18 @@
+#![feature(no_core, lang_items)]
+#![no_core]
+
+#[lang = "char"]
+impl char {
+    pub fn len_utf8(self) -> usize {
+        42
+    }
+}
+
+#[lang = "sized"]
+pub trait Sized {}
+
+#[lang = "clone"]
+pub trait Clone: Sized {}
+
+#[lang = "copy"]
+pub trait Copy: Clone {}
diff --git a/src/test/rustdoc/intra-link-prim-methods-external-core.rs b/src/test/rustdoc/intra-link-prim-methods-external-core.rs
new file mode 100644
index 0000000000000..85e017e89b146
--- /dev/null
+++ b/src/test/rustdoc/intra-link-prim-methods-external-core.rs
@@ -0,0 +1,10 @@
+// aux-build:my-core.rs
+// ignore-cross-compile
+
+#![deny(intra_doc_link_resolution_failure)]
+#![feature(no_core, lang_items)]
+#![no_core]
+
+//! A [`char`] and its [`char::len_utf8`].
+
+extern crate my_core;
diff --git a/src/test/rustdoc/intra-link-prim-methods-local.rs b/src/test/rustdoc/intra-link-prim-methods-local.rs
new file mode 100644
index 0000000000000..c0be16885dae8
--- /dev/null
+++ b/src/test/rustdoc/intra-link-prim-methods-local.rs
@@ -0,0 +1,21 @@
+#![deny(intra_doc_link_resolution_failure)]
+#![feature(no_core, lang_items)]
+#![no_core]
+
+//! A [`char`] and its [`char::len_utf8`].
+
+#[lang = "char"]
+impl char {
+    pub fn len_utf8(self) -> usize {
+        42
+    }
+}
+
+#[lang = "sized"]
+pub trait Sized {}
+
+#[lang = "clone"]
+pub trait Clone: Sized {}
+
+#[lang = "copy"]
+pub trait Copy: Clone {}