1 fn foo<'a>(_: impl 'a Sized) {}
2 //~^ ERROR: expected `+` between lifetime and Sized
3 //~| ERROR: expected one of `:`, `@`, or `|`, found `)`
4 //~| ERROR: expected one of `)`, `+`, or `,`, found `Sized`
5 //~| ERROR: at least one trait must be specified