From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/test/ui/type-alias-impl-trait/issue-58887.rs | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 src/test/ui/type-alias-impl-trait/issue-58887.rs

(limited to 'src/test/ui/type-alias-impl-trait/issue-58887.rs')

diff --git a/src/test/ui/type-alias-impl-trait/issue-58887.rs b/src/test/ui/type-alias-impl-trait/issue-58887.rs
new file mode 100644
index 000000000..96ac78602
--- /dev/null
+++ b/src/test/ui/type-alias-impl-trait/issue-58887.rs
@@ -0,0 +1,22 @@
+// run-pass
+
+#![feature(type_alias_impl_trait)]
+
+trait UnwrapItemsExt {
+    type Iter;
+    fn unwrap_items(self) -> Self::Iter;
+}
+
+impl<I, T, E> UnwrapItemsExt for I
+where
+    I: Iterator<Item = Result<T, E>>,
+    E: std::fmt::Debug,
+{
+    type Iter = impl Iterator<Item = T>;
+
+    fn unwrap_items(self) -> Self::Iter {
+        self.map(|x| x.unwrap())
+    }
+}
+
+fn main() {}
-- 
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