From 3f3d0c57ac66b4fa42a3f10209dd1fde29c5ce57 Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Fri, 27 Sep 2024 10:29:10 -0700
Subject: [PATCH] Add regression test for issue 1738

---
 tests/test_expr.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tests/test_expr.rs b/tests/test_expr.rs
index d20cce8d6..f79e4fafd 100644
--- a/tests/test_expr.rs
+++ b/tests/test_expr.rs
@@ -642,6 +642,12 @@ fn test_assign_range_precedence() {
     syn::parse_str::<Expr>("() .. () += ()").unwrap_err();
 }
 
+#[test]
+fn test_chained_comparison() {
+    // https://github.com/dtolnay/syn/issues/1738
+    let _ = syn::parse_str::<Expr>("a = a < a <");
+}
+
 #[test]
 fn test_fixup() {
     struct FlattenParens;