1 files changed, 11 insertions, 0 deletions
diff --git a/src/test/ui/closure_context/issue-26046-fn-mut.rs b/src/test/ui/closure_context/issue-26046-fn-mut.rs
new file mode 100644
index 000000000..0a015ea14
--- /dev/null
+++ b/src/test/ui/closure_context/issue-26046-fn-mut.rs
@@ -0,0 +1,11 @@
+fn foo() -> Box<dyn Fn()> {
+    let num = 5;
+
+    let closure = || { //~ ERROR expected a closure that
+        num += 1;
+    };
+
+    Box::new(closure)
+}
+
+fn main() {}