1 error[E0282]: type annotations needed
2 --> $DIR/issue-6458.rs:9:22
4 LL | foo(TypeWithState(marker::PhantomData));
5 | ^^^^^^^^^^^^^^^^^^^ cannot infer type of the type parameter `T` declared on the struct `PhantomData`
7 help: consider specifying the generic argument
9 LL | foo(TypeWithState(marker::PhantomData::<T>));
12 error: aborting due to previous error
14 For more information about this error, try `rustc --explain E0282`.