diff options
Diffstat (limited to 'tests/ui/traits/next-solver/more-object-bound.rs')
-rw-r--r-- | tests/ui/traits/next-solver/more-object-bound.rs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tests/ui/traits/next-solver/more-object-bound.rs b/tests/ui/traits/next-solver/more-object-bound.rs new file mode 100644 index 000000000..8522f034d --- /dev/null +++ b/tests/ui/traits/next-solver/more-object-bound.rs @@ -0,0 +1,27 @@ +// compile-flags: -Znext-solver +// From #80800 + +trait SuperTrait { + type A; + type B; +} + +trait Trait: SuperTrait<A = <Self as SuperTrait>::B> {} + +fn transmute<A, B>(x: A) -> B { + foo::<A, B, dyn Trait<A = A, B = B>>(x) + //~^ ERROR the trait bound `dyn Trait<A = A, B = B>: Trait` is not satisfied +} + +fn foo<A, B, T: ?Sized>(x: T::A) -> B +where + T: Trait<B = B>, +{ + x +} + +static X: u8 = 0; +fn main() { + let x = transmute::<&u8, &[u8; 1_000_000]>(&X); + println!("{:?}", x[100_000]); +} |