tests/ui/transmutability/transmute-between-associated-types-with-lifetimers-21174.rs


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trait Trait<'a> {
    type A;
    type B;
}

fn foo<'a, T: Trait<'a>>(value: T::A) {
    let new: T::B = unsafe { std::mem::transmute(value) };
//~^ ERROR: cannot transmute between types of different sizes, or dependently-sized types
}

fn main() { }

// https://github.com/rust-lang/rust/issues/21174