1 files changed, 12 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-16671.rs b/src/test/ui/issues/issue-16671.rs
new file mode 100644
index 000000000..eff8e275b
--- /dev/null
+++ b/src/test/ui/issues/issue-16671.rs
@@ -0,0 +1,12 @@
+// run-pass
+
+#![deny(warnings)]
+
+fn foo<F: FnOnce()>(_f: F) { }
+
+fn main() {
+    let mut var = Vec::new();
+    foo(move|| {
+        var.push(1);
+    });
+}