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>
---
 .../future-prelude-collision-turbofish.rs          | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 tests/ui/rust-2021/future-prelude-collision-turbofish.rs

(limited to 'tests/ui/rust-2021/future-prelude-collision-turbofish.rs')

diff --git a/tests/ui/rust-2021/future-prelude-collision-turbofish.rs b/tests/ui/rust-2021/future-prelude-collision-turbofish.rs
new file mode 100644
index 000000000..abb292ef9
--- /dev/null
+++ b/tests/ui/rust-2021/future-prelude-collision-turbofish.rs
@@ -0,0 +1,28 @@
+// See https://github.com/rust-lang/rust/issues/88442
+// run-rustfix
+// edition:2018
+// check-pass
+#![allow(unused)]
+#![warn(rust_2021_prelude_collisions)]
+
+trait AnnotatableTryInto {
+    fn try_into<T>(self) -> Result<T, Self::Error>
+    where Self: std::convert::TryInto<T> {
+        std::convert::TryInto::try_into(self)
+    }
+}
+
+impl<T> AnnotatableTryInto for T where T: From<u8> {}
+
+fn main() -> Result<(), &'static str> {
+    let x: u64 = 1;
+    x.try_into::<usize>().or(Err("foo"))?.checked_sub(1);
+    //~^ WARNING trait method `try_into` will become ambiguous in Rust 2021
+    //~| WARNING this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
+
+    x.try_into::<usize>().or(Err("foo"))?;
+    //~^ WARNING trait method `try_into` will become ambiguous in Rust 2021
+    //~| WARNING this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
+
+    Ok(())
+}
-- 
cgit v1.2.3