From a4b7ed7a42c716ab9f05e351f003d589124fd55d Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:18:58 +0200
Subject: Adding upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/ui/issues/issue-15094.rs | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 tests/ui/issues/issue-15094.rs

(limited to 'tests/ui/issues/issue-15094.rs')

diff --git a/tests/ui/issues/issue-15094.rs b/tests/ui/issues/issue-15094.rs
new file mode 100644
index 000000000..cb27e2bcf
--- /dev/null
+++ b/tests/ui/issues/issue-15094.rs
@@ -0,0 +1,26 @@
+#![feature(fn_traits, unboxed_closures)]
+
+use std::{fmt, ops};
+
+struct Debuger<T> {
+    x: T
+}
+
+impl<T: fmt::Debug> ops::FnOnce<(),> for Debuger<T> {
+    type Output = ();
+    fn call_once(self, _args: ()) {
+    //~^ ERROR `call_once` has an incompatible type for trait
+    //~| expected signature `extern "rust-call" fn
+    //~| found signature `fn
+        println!("{:?}", self.x);
+    }
+}
+
+fn make_shower<T>(x: T) -> Debuger<T> {
+    Debuger { x: x }
+}
+
+pub fn main() {
+    let show3 = make_shower(3);
+    show3();
+}
-- 
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