From 9a0a622a042d0ed04ad349d8bb778e40dd417a16 Mon Sep 17 00:00:00 2001
From: Ilya Yanok <ilya.yanok@gmail.com>
Date: Thu, 28 Oct 2021 14:25:46 +0000
Subject: [PATCH] Add test cases

---
 src/test/ui/traits/issue-90195-2.rs | 20 ++++++++++++++++++++
 src/test/ui/traits/issue-90195.rs   | 21 +++++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 src/test/ui/traits/issue-90195-2.rs
 create mode 100644 src/test/ui/traits/issue-90195.rs

diff --git a/src/test/ui/traits/issue-90195-2.rs b/src/test/ui/traits/issue-90195-2.rs
new file mode 100644
index 000000000000..b739dc46e4e8
--- /dev/null
+++ b/src/test/ui/traits/issue-90195-2.rs
@@ -0,0 +1,20 @@
+// check-pass
+pub trait Archive {
+    type Archived;
+}
+
+impl<T> Archive for Option<T> {
+    type Archived = ();
+}
+pub type Archived<T> = <T as Archive>::Archived;
+
+pub trait Deserialize<D> {}
+
+const ARRAY_SIZE: usize = 32;
+impl<__D> Deserialize<__D> for ()
+where
+    Option<[u8; ARRAY_SIZE]>: Archive,
+    Archived<Option<[u8; ARRAY_SIZE]>>: Deserialize<__D>,
+{
+}
+fn main() {}
diff --git a/src/test/ui/traits/issue-90195.rs b/src/test/ui/traits/issue-90195.rs
new file mode 100644
index 000000000000..543c9f197e1b
--- /dev/null
+++ b/src/test/ui/traits/issue-90195.rs
@@ -0,0 +1,21 @@
+// check-pass
+pub trait Archive {
+    type Archived;
+}
+
+impl<T> Archive for Option<T> {
+    type Archived = ();
+}
+pub type Archived<T> = <T as Archive>::Archived;
+
+pub trait Deserialize<D> {}
+
+const ARRAY_SIZE: usize = 32;
+impl<__D> Deserialize<__D> for ()
+where
+    Option<[u8; ARRAY_SIZE]>: Archive,
+    Option<[u8; ARRAY_SIZE]>: Archive,
+    Archived<Option<[u8; ARRAY_SIZE]>>: Deserialize<__D>,
+{
+}
+fn main() {}