1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/process/issue-20091.rs b/src/test/ui/process/issue-20091.rs
new file mode 100644
index 000000000..86cc79d6b
--- /dev/null
+++ b/src/test/ui/process/issue-20091.rs
@@ -0,0 +1,24 @@
+// run-pass
+#![allow(stable_features)]
+
+// ignore-emscripten no processes
+// ignore-sgx no processes
+
+#![feature(os)]
+
+#[cfg(unix)]
+fn main() {
+    use std::process::Command;
+    use std::env;
+    use std::os::unix::prelude::*;
+    use std::ffi::OsStr;
+
+    if env::args().len() == 1 {
+        assert!(Command::new(&env::current_exe().unwrap())
+                        .arg(<OsStr as OsStrExt>::from_bytes(b"\xff"))
+                        .status().unwrap().success())
+    }
+}
+
+#[cfg(windows)]
+fn main() {}