tests/ui/type-alias-impl-trait/bad-transmute-itiat.rs


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// regression test for rust-lang/rust#125758

#![feature(impl_trait_in_assoc_type)]

trait Trait {
    type Assoc2;
}

struct Bar;
impl Trait for Bar {
    type Assoc2 = impl std::fmt::Debug;
    //~^ ERROR unconstrained opaque type
}

struct Foo {
    field: <Bar as Trait>::Assoc2,
}

static BAR: u8 = 42;
static FOO2: &Foo = unsafe { std::mem::transmute(&BAR) };

fn main() {}