1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/ui/binding/match-reassign.rs b/src/test/ui/binding/match-reassign.rs
new file mode 100644
index 000000000..19b48579c
--- /dev/null
+++ b/src/test/ui/binding/match-reassign.rs
@@ -0,0 +1,21 @@
+// run-pass
+// Regression test for #23698: The reassignment checker only cared
+// about the last assignment in a match arm body
+
+// Use an extra function to make sure no extra assignments
+// are introduced by macros in the match statement
+fn check_eq(x: i32, y: i32) {
+    assert_eq!(x, y);
+}
+
+#[allow(unused_assignments)]
+fn main() {
+    let mut x = Box::new(1);
+    match x {
+        y => {
+            x = Box::new(2);
+            let _tmp = 1; // This assignment used to throw off the reassignment checker
+            check_eq(*y, 1);
+        }
+    }
+}