1 files changed, 11 insertions, 0 deletions
diff --git a/tests/ui/unboxed-closures/unboxed-closure-region.rs b/tests/ui/unboxed-closures/unboxed-closure-region.rs
new file mode 100644
index 000000000..51fe118c9
--- /dev/null
+++ b/tests/ui/unboxed-closures/unboxed-closure-region.rs
@@ -0,0 +1,11 @@
+// Test that an unboxed closure that captures a free variable by
+// reference cannot escape the region of that variable.
+
+
+fn main() {
+    let _f = {
+        let x = 0;
+        || x //~ ERROR closure may outlive the current block, but it borrows `x`
+    };
+    _f;
+}