1 files changed, 30 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-51044.rs b/src/test/ui/issues/issue-51044.rs
new file mode 100644
index 000000000..628d78769
--- /dev/null
+++ b/src/test/ui/issues/issue-51044.rs
@@ -0,0 +1,30 @@
+// run-pass
+// regression test for issue #50825
+// Check that the feature gate normalizes associated types.
+
+#![allow(dead_code)]
+struct Foo<T>(T);
+struct Duck;
+struct Quack;
+
+trait Hello<A> where A: Animal {
+}
+
+trait Animal {
+    type Noise;
+}
+
+trait Loud<R>  {
+}
+
+impl Loud<Quack> for f32 {
+}
+
+impl Animal for Duck {
+    type Noise = Quack;
+}
+
+impl Hello<Duck> for Foo<f32> where f32: Loud<<Duck as Animal>::Noise> {
+}
+
+fn main() {}