diff --git a/tests/rustdoc-html/inline_cross/assoc-const-private-fields-99630.rs b/tests/rustdoc-html/inline_cross/assoc-const-private-fields-99630.rs
new file mode 100644
index 0000000000000..b37c11d607d21
--- /dev/null
+++ b/tests/rustdoc-html/inline_cross/assoc-const-private-fields-99630.rs
@@ -0,0 +1,14 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/99630>.
+//!
+//! Re-exporting a type from another crate must not leak the private fields used
+//! in the initializer of one of its associated constants.
+
+//@ aux-build:assoc-const-private-fields.rs
+
+#![crate_name = "foo"]
+
+extern crate assoc_const_private_fields;
+
+//@ has foo/struct.HasPrivateFields.html
+//@ matches - '//*[@id="associatedconstant.ASSOC"]' '^pub const ASSOC: HasPrivateFields$'
+pub use assoc_const_private_fields::HasPrivateFields;
diff --git a/tests/rustdoc-html/inline_cross/auxiliary/assoc-const-private-fields.rs b/tests/rustdoc-html/inline_cross/auxiliary/assoc-const-private-fields.rs
new file mode 100644
index 0000000000000..42f838cf4fc6d
--- /dev/null
+++ b/tests/rustdoc-html/inline_cross/auxiliary/assoc-const-private-fields.rs
@@ -0,0 +1,7 @@
+pub struct HasPrivateFields {
+    _private: (),
+}
+
+impl HasPrivateFields {
+    pub const ASSOC: Self = Self { _private: () };
+}