From 5a1c460898e9e0559542f33e5ac4f690e054cd17 Mon Sep 17 00:00:00 2001
From: Michael Goulet <michael@errs.io>
Date: Fri, 24 Dec 2021 01:41:18 -0800
Subject: Normalize struct tail type when checking Pointee trait

---
 src/test/ui/traits/pointee-deduction.rs | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 src/test/ui/traits/pointee-deduction.rs

(limited to 'src')

diff --git a/src/test/ui/traits/pointee-deduction.rs b/src/test/ui/traits/pointee-deduction.rs
new file mode 100644
index 00000000000..f888246967d
--- /dev/null
+++ b/src/test/ui/traits/pointee-deduction.rs
@@ -0,0 +1,22 @@
+// run-pass
+
+#![feature(ptr_metadata)]
+
+use std::alloc::Layout;
+use std::ptr::Pointee;
+
+trait Foo {
+    type Bar;
+}
+
+impl Foo for () {
+    type Bar = ();
+}
+
+struct Wrapper1<T: Foo>(<T as Foo>::Bar);
+struct Wrapper2<T: Foo>(<Wrapper1<T> as Pointee>::Metadata);
+
+fn main() {
+    let _: Wrapper2<()> = Wrapper2(());
+    let _ = Layout::new::<Wrapper2<()>>();
+}
-- 
cgit 1.4.1-3-g733a5