From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:19:13 +0200
Subject: Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/ui/issues/issue-12909.rs | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 tests/ui/issues/issue-12909.rs

(limited to 'tests/ui/issues/issue-12909.rs')

diff --git a/tests/ui/issues/issue-12909.rs b/tests/ui/issues/issue-12909.rs
new file mode 100644
index 000000000..a68d73a00
--- /dev/null
+++ b/tests/ui/issues/issue-12909.rs
@@ -0,0 +1,20 @@
+// run-pass
+#![allow(unused_variables)]
+// pretty-expanded FIXME #23616
+
+use std::collections::HashMap;
+
+fn copy<T: Copy>(&x: &T) -> T {
+    x
+}
+
+fn main() {
+    let arr = [(1, 1), (2, 2), (3, 3)];
+
+    let v1: Vec<&_> = arr.iter().collect();
+    let v2: Vec<_> = arr.iter().map(copy).collect();
+
+    let m1: HashMap<_, _> = arr.iter().map(copy).collect();
+    let m2: HashMap<isize, _> = arr.iter().map(copy).collect();
+    let m3: HashMap<_, usize> = arr.iter().map(copy).collect();
+}
-- 
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