1 files changed, 21 insertions, 0 deletions
diff --git a/tests/ui/union/issue-81199.rs b/tests/ui/union/issue-81199.rs
new file mode 100644
index 000000000..628e7c6ed
--- /dev/null
+++ b/tests/ui/union/issue-81199.rs
@@ -0,0 +1,21 @@
+#[repr(C)]
+union PtrRepr<T: ?Sized> {
+    const_ptr: *const T,
+    mut_ptr: *mut T,
+    components: PtrComponents<T>,
+    //~^ ERROR the trait bound
+}
+
+#[repr(C)]
+struct PtrComponents<T: Pointee + ?Sized> {
+    data_address: *const (),
+    metadata: <T as Pointee>::Metadata,
+}
+
+
+
+pub trait Pointee {
+   type Metadata;
+}
+
+fn main() {}