28 lines
505 B
Rust
28 lines
505 B
Rust
// compile-flags: -Znext-solver
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// From #80800
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trait SuperTrait {
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type A;
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type B;
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}
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trait Trait: SuperTrait<A = <Self as SuperTrait>::B> {}
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fn transmute<A, B>(x: A) -> B {
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foo::<A, B, dyn Trait<A = A, B = B>>(x)
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//~^ ERROR the trait bound `dyn Trait<A = A, B = B>: Trait` is not satisfied
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}
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fn foo<A, B, T: ?Sized>(x: T::A) -> B
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where
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T: Trait<B = B>,
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{
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x
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}
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static X: u8 = 0;
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fn main() {
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let x = transmute::<&u8, &[u8; 1_000_000]>(&X);
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println!("{:?}", x[100_000]);
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}
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