diff options
Diffstat (limited to 'src/test/ui/coherence/coherence-overlap-downstream-inherent.rs')
-rw-r--r-- | src/test/ui/coherence/coherence-overlap-downstream-inherent.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/test/ui/coherence/coherence-overlap-downstream-inherent.rs b/src/test/ui/coherence/coherence-overlap-downstream-inherent.rs new file mode 100644 index 000000000..5dea33e33 --- /dev/null +++ b/src/test/ui/coherence/coherence-overlap-downstream-inherent.rs @@ -0,0 +1,17 @@ +// Tests that we consider `T: Sugar + Fruit` to be ambiguous, even +// though no impls are found. + +struct Sweet<X>(X); +pub trait Sugar {} +pub trait Fruit {} +impl<T:Sugar> Sweet<T> { fn dummy(&self) { } } +//~^ ERROR E0592 +impl<T:Fruit> Sweet<T> { fn dummy(&self) { } } + +trait Bar<X> {} +struct A<T, X>(T, X); +impl<X, T> A<T, X> where T: Bar<X> { fn f(&self) {} } +//~^ ERROR E0592 +impl<X> A<i32, X> { fn f(&self) {} } + +fn main() {} |