1 files changed, 14 insertions, 0 deletions
diff --git a/src/test/ui/privacy/private-in-public-non-principal-2.rs b/src/test/ui/privacy/private-in-public-non-principal-2.rs
new file mode 100644
index 000000000..db451d334
--- /dev/null
+++ b/src/test/ui/privacy/private-in-public-non-principal-2.rs
@@ -0,0 +1,14 @@
+#![feature(auto_traits)]
+#![feature(negative_impls)]
+
+#[allow(private_in_public)]
+mod m {
+    pub trait PubPrincipal {}
+    auto trait PrivNonPrincipal {}
+    pub fn leak_dyn_nonprincipal() -> Box<dyn PubPrincipal + PrivNonPrincipal> { loop {} }
+}
+
+fn main() {
+    m::leak_dyn_nonprincipal();
+    //~^ ERROR trait `PrivNonPrincipal` is private
+}