1 files changed, 19 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-29857.rs b/tests/ui/issues/issue-29857.rs
new file mode 100644
index 000000000..6f4c5f45d
--- /dev/null
+++ b/tests/ui/issues/issue-29857.rs
@@ -0,0 +1,19 @@
+// check-pass
+
+use std::marker::PhantomData;
+
+pub trait Foo<P> {}
+
+impl <P, T: Foo<P>> Foo<P> for Option<T> {}
+
+pub struct Qux<T> (PhantomData<*mut T>);
+
+impl<T> Foo<*mut T> for Option<Qux<T>> {}
+
+pub trait Bar {
+    type Output: 'static;
+}
+
+impl<T: 'static, W: Bar<Output = T>> Foo<*mut T> for W {}
+
+fn main() {}