1 fn a(x: &&i32) -> i32 {
3 //~^ ERROR mismatched types
6 fn a2(x: &&&&&i32) -> i32 {
8 //~^ ERROR mismatched types
11 fn b(x: &i32) -> i32 {
13 //~^ ERROR mismatched types
16 fn c(x: Box<i32>) -> i32 {
18 //~^ ERROR mismatched types
21 fn d(x: std::sync::Mutex<&i32>) -> i32 {
23 //~^ ERROR mismatched types