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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/impl-trait/in-trait/specialization-broken.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/test/ui/impl-trait/in-trait/specialization-broken.rs b/src/test/ui/impl-trait/in-trait/specialization-broken.rs new file mode 100644 index 000000000..9d27d3710 --- /dev/null +++ b/src/test/ui/impl-trait/in-trait/specialization-broken.rs @@ -0,0 +1,26 @@ +// FIXME(compiler-errors): I'm not exactly sure if this is expected to pass or not. +// But we fixed an ICE anyways. + +#![feature(specialization)] +#![feature(return_position_impl_trait_in_trait)] +#![allow(incomplete_features)] + +trait Foo { + fn bar(&self) -> impl Sized; +} + +default impl<U> Foo for U +where + U: Copy, +{ + fn bar(&self) -> U { + //~^ ERROR method `bar` has an incompatible type for trait + *self + } +} + +impl Foo for i32 {} + +fn main() { + 1i32.bar(); +} |