diff options
Diffstat (limited to 'tests/ui/impl-trait/bivariant-lifetime-liveness.rs')
-rw-r--r-- | tests/ui/impl-trait/bivariant-lifetime-liveness.rs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tests/ui/impl-trait/bivariant-lifetime-liveness.rs b/tests/ui/impl-trait/bivariant-lifetime-liveness.rs new file mode 100644 index 000000000..fe99fe3f3 --- /dev/null +++ b/tests/ui/impl-trait/bivariant-lifetime-liveness.rs @@ -0,0 +1,15 @@ +// check-pass +// issue: 116794 + +// Uncaptured lifetimes should not be required to be live. + +struct Invariant<T>(*mut T); + +fn opaque<'a: 'a>(_: &'a str) -> Invariant<impl Sized> { + Invariant(&mut ()) +} + +fn main() { + let x = opaque(&String::new()); + drop(x); +} |