1 files changed, 11 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-1257.rs b/tests/ui/issues/issue-1257.rs
new file mode 100644
index 000000000..de5a6d359
--- /dev/null
+++ b/tests/ui/issues/issue-1257.rs
@@ -0,0 +1,11 @@
+// run-pass
+// pretty-expanded FIXME #23616
+
+pub fn main () {
+  let mut line = "".to_string();
+  let mut i = 0;
+  while line != "exit".to_string() {
+    line = if i == 9 { "exit".to_string() } else { "notexit".to_string() };
+    i += 1;
+  }
+}