tests/ui/traits/unconstrained-projection-normalization-2.rs


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// Make sure we don't ICE in `normalize_erasing_regions` when normalizing
// an associated type in an impl with unconstrained non-lifetime params.
// (This time in a function signature)

//@ revisions: current next
//@ ignore-compare-mode-next-solver (explicit revisions)
//@[next] compile-flags: -Znext-solver

struct Thing;

pub trait Every {
    type Assoc;
}
impl<T: ?Sized> Every for Thing {
    //~^ ERROR the type parameter `T` is not constrained
    type Assoc = T;
    //~^ ERROR: the size for values of type `T` cannot be known at compilation time
}

fn foo(_: <Thing as Every>::Assoc) {}
//[next]~^ ERROR: type annotations needed

fn main() {}