1 files changed, 22 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-4541.rs b/tests/ui/issues/issue-4541.rs
new file mode 100644
index 00000000000..e7f26d02151
--- /dev/null
+++ b/tests/ui/issues/issue-4541.rs
@@ -0,0 +1,22 @@
+// run-pass
+
+fn parse_args() -> String {
+    let args: Vec<_> = ::std::env::args().collect();
+    let mut n = 0;
+
+    while n < args.len() {
+        match &*args[n] {
+            "-v" => (),
+            s => {
+                return s.to_string();
+            }
+        }
+        n += 1;
+    }
+
+    return "".to_string()
+}
+
+pub fn main() {
+    println!("{}", parse_args());
+}