1 error[E0191]: the value of the associated type `A` (from trait `Foo`) must be specified
2 --> $DIR/issue-19482.rs:10:16
5 | ------- `A` defined here
7 LL | fn bar(x: &dyn Foo) {}
8 | ^^^ help: specify the associated type: `Foo<A = Type>`
10 error: aborting due to previous error
12 For more information about this error, try `rustc --explain E0191`.