4 // (separate lines to ensure the spans are accurate)
6 let &_ //~ ERROR mismatched types
7 //~| expected mutable reference `&mut {integer}`
8 //~| found reference `&_`
9 //~| types differ in mutability
15 let &mut _ //~ ERROR mismatched types
16 //~| expected reference `&{integer}`
17 //~| found mutable reference `&mut _`
18 //~| types differ in mutability