--- /dev/null
+// non rustfixable, see redundant_closure_call_fixable.rs
+
+#![warn(clippy::redundant_closure_call)]
+
+fn main() {
+ let mut i = 1;
+
+ // don't lint here, the closure is used more than once
+ let closure = |i| i + 1;
+ i = closure(3);
+ i = closure(4);
+
+ // lint here
+ let redun_closure = || 1;
+ i = redun_closure();
+
+ // shadowed closures are supported, lint here
+ let shadowed_closure = || 1;
+ i = shadowed_closure();
+ let shadowed_closure = || 2;
+ i = shadowed_closure();
+
+ // don't lint here
+ let shadowed_closure = || 2;
+ i = shadowed_closure();
+ i = shadowed_closure();
+
+ // Fix FP in #5916
+ let mut x;
+ let create = || 2 * 2;
+ x = create();
+ fun(move || {
+ x = create();
+ })
+}
+
+fn fun<T: 'static + FnMut()>(mut f: T) {
+ f();
+}