diff options
Diffstat (limited to 'src/test/ui/coherence/coherence-negative-outlives-lifetimes.rs')
-rw-r--r-- | src/test/ui/coherence/coherence-negative-outlives-lifetimes.rs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/test/ui/coherence/coherence-negative-outlives-lifetimes.rs b/src/test/ui/coherence/coherence-negative-outlives-lifetimes.rs new file mode 100644 index 000000000..159788b1b --- /dev/null +++ b/src/test/ui/coherence/coherence-negative-outlives-lifetimes.rs @@ -0,0 +1,12 @@ +#![feature(negative_impls)] + +// FIXME: this should compile + +trait MyPredicate<'a> {} +impl<'a, T> !MyPredicate<'a> for &T where T: 'a {} +trait MyTrait<'a> {} +impl<'a, T: MyPredicate<'a>> MyTrait<'a> for T {} +impl<'a, T> MyTrait<'a> for &'a T {} +//~^ ERROR: conflicting implementations of trait `MyTrait<'_>` for type `&_` + +fn main() {} |