1 files changed, 22 insertions, 0 deletions
diff --git a/tests/ui/allocator/custom-in-block.rs b/tests/ui/allocator/custom-in-block.rs
new file mode 100644
index 00000000000..12813a1fc8b
--- /dev/null
+++ b/tests/ui/allocator/custom-in-block.rs
@@ -0,0 +1,22 @@
+// run-pass
+// no-prefer-dynamic
+// aux-build:custom.rs
+// aux-build:helper.rs
+
+extern crate custom;
+extern crate helper;
+
+use custom::A;
+use std::sync::atomic::{AtomicUsize, Ordering};
+
+fn main() {
+    #[global_allocator]
+    pub static GLOBAL: A = A(AtomicUsize::new(0));
+
+    let n = GLOBAL.0.load(Ordering::SeqCst);
+    let s = Box::new(0);
+    helper::work_with(&s);
+    assert_eq!(GLOBAL.0.load(Ordering::SeqCst), n + 1);
+    drop(s);
+    assert_eq!(GLOBAL.0.load(Ordering::SeqCst), n + 2);
+}