1 files changed, 24 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-24533.rs b/tests/ui/issues/issue-24533.rs
new file mode 100644
index 000000000..8592bf430
--- /dev/null
+++ b/tests/ui/issues/issue-24533.rs
@@ -0,0 +1,24 @@
+// run-pass
+#![allow(unused_must_use)]
+use std::slice::Iter;
+use std::io::{Error, ErrorKind, Result};
+use std::vec::*;
+
+fn foo(it: &mut Iter<u8>) -> Result<u8> {
+    Ok(*it.next().unwrap())
+}
+
+fn bar() -> Result<u8> {
+    let data: Vec<u8> = Vec::new();
+
+    if true {
+        return Err(Error::new(ErrorKind::NotFound, "msg"));
+    }
+
+    let mut it = data.iter();
+    foo(&mut it)
+}
+
+fn main() {
+    bar();
+}