1 files changed, 46 insertions, 0 deletions
diff --git a/tests/run-make/emit/test-26235.rs b/tests/run-make/emit/test-26235.rs
new file mode 100644
index 000000000..07d975f33
--- /dev/null
+++ b/tests/run-make/emit/test-26235.rs
@@ -0,0 +1,46 @@
+// Checks for issue #26235
+
+fn main() {
+    use std::thread;
+
+    type Key = u32;
+    const NUM_THREADS: usize = 2;
+
+    #[derive(Clone,Copy)]
+    struct Stats<S> {
+        upsert: S,
+        delete: S,
+        insert: S,
+        update: S
+    };
+
+    impl<S> Stats<S> where S: Copy {
+        fn dot<B, F, T>(self, s: Stats<T>, f: F) -> Stats<B> where F: Fn(S, T) -> B {
+            let Stats { upsert: u1, delete: d1, insert: i1, update: p1 } = self;
+            let Stats { upsert: u2, delete: d2, insert: i2, update: p2 } = s;
+            Stats { upsert: f(u1, u2), delete: f(d1, d2), insert: f(i1, i2), update: f(p1, p2) }
+        }
+
+        fn new(init: S) -> Self {
+            Stats { upsert: init, delete: init, insert: init, update: init }
+        }
+    }
+
+    fn make_threads() -> Vec<thread::JoinHandle<()>> {
+        let mut t = Vec::with_capacity(NUM_THREADS);
+        for _ in 0..NUM_THREADS {
+            t.push(thread::spawn(move || {}));
+        }
+        t
+    }
+
+    let stats = [Stats::new(0); NUM_THREADS];
+    make_threads();
+
+    {
+        let Stats { ref upsert, ref delete, ref insert, ref update } = stats.iter().fold(
+            Stats::new(0), |res, &s| res.dot(s, |x: Key, y: Key| x.wrapping_add(y)));
+        println!("upserts: {}, deletes: {}, inserts: {}, updates: {}",
+                 upsert, delete, insert, update);
+    }
+}