1 files changed, 37 insertions, 0 deletions
diff --git a/src/test/ui/borrowck/issue-103250.rs b/src/test/ui/borrowck/issue-103250.rs
new file mode 100644
index 000000000..46565f61c
--- /dev/null
+++ b/src/test/ui/borrowck/issue-103250.rs
@@ -0,0 +1,37 @@
+// edition:2021
+
+type TranslateFn = Box<dyn Fn(String, String) -> String>;
+
+pub struct DeviceCluster {
+    devices: Vec<Device>,
+}
+
+impl DeviceCluster {
+    pub async fn do_something(&mut self) -> Result<String, Box<dyn std::error::Error>> {
+        let mut last_error: Box<dyn std::error::Error>;
+
+        for device in &mut self.devices {
+            match device.do_something().await {
+                Ok(info) => {
+                    return Ok(info);
+                }
+                Err(e) => {}
+            }
+        }
+
+        Err(last_error)
+        //~^ ERROR used binding `last_error` isn't initialized
+    }
+}
+
+pub struct Device {
+    translate_fn: Option<TranslateFn>,
+}
+
+impl Device {
+    pub async fn do_something(&mut self) -> Result<String, Box<dyn std::error::Error>> {
+        Ok(String::from(""))
+    }
+}
+
+fn main() {}