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>
---
 .../inference/cannot-infer-partial-try-return.rs   | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 tests/ui/inference/cannot-infer-partial-try-return.rs

(limited to 'tests/ui/inference/cannot-infer-partial-try-return.rs')

diff --git a/tests/ui/inference/cannot-infer-partial-try-return.rs b/tests/ui/inference/cannot-infer-partial-try-return.rs
new file mode 100644
index 000000000..b555697dc
--- /dev/null
+++ b/tests/ui/inference/cannot-infer-partial-try-return.rs
@@ -0,0 +1,23 @@
+struct QualifiedError<E>(E);
+
+impl<E, T> From<E> for QualifiedError<T>
+where
+    E: std::error::Error,
+    T: From<E>,
+{
+    fn from(e: E) -> QualifiedError<T> {
+        QualifiedError(e.into())
+    }
+}
+
+fn infallible() -> Result<(), std::convert::Infallible> {
+    Ok(())
+}
+
+fn main() {
+    let x = || -> Result<_, QualifiedError<_>> {
+        infallible()?;
+        Ok(())
+        //~^ ERROR type annotations needed
+    };
+}
-- 
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