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/generator/issue-57084.rs | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 tests/ui/generator/issue-57084.rs

(limited to 'tests/ui/generator/issue-57084.rs')

diff --git a/tests/ui/generator/issue-57084.rs b/tests/ui/generator/issue-57084.rs
new file mode 100644
index 000000000..2a5c3dd05
--- /dev/null
+++ b/tests/ui/generator/issue-57084.rs
@@ -0,0 +1,28 @@
+// This issue reproduces an ICE on compile (E.g. fails on 2018-12-19 nightly).
+// "cannot relate bound region: ReLateBound(DebruijnIndex(1), BrAnon(1)) <= '_#1r"
+// run-pass
+// edition:2018
+#![feature(generators,generator_trait)]
+use std::ops::Generator;
+
+fn with<F>(f: F) -> impl Generator<Yield=(), Return=()>
+where F: Fn() -> ()
+{
+    move || {
+        loop {
+            match f() {
+                _ => yield,
+            }
+        }
+    }
+}
+
+fn main() {
+    let data = &vec![1];
+    || { //~ WARN unused generator that must be used
+        let _to_pin = with(move || println!("{:p}", data));
+        loop {
+            yield
+        }
+    };
+}
-- 
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