1 error[E0282]: type annotations needed for `B<T>`
2 --> $DIR/issue-17551.rs:6:9
4 LL | let foo = B(marker::PhantomData);
7 help: consider giving `foo` an explicit type, where the type for type parameter `T` is specified
9 LL | let foo: B<T> = B(marker::PhantomData);
12 error: aborting due to previous error
14 For more information about this error, try `rustc --explain E0282`.