2229: Handle update to capture kind properly

src/test/ui/closures/2229_closure_analysis/run_pass/issue-88372.rs

@@ -0,0 +1,19 @@
+// edition:2021
+// run-pass
+
+
+fn solve<F>(validate: F) -> Option<u64>
+where
+    F: Fn(&mut [i8; 1]),
+{
+    let mut position: [i8; 1] = [1];
+    Some(0).map(|_| {
+        validate(&mut position);
+        let [_x] = position;
+        0
+    })
+}
+
+fn main() {
+    solve(|_| ());
+}