diff --git a/src/test/ui/type-alias-impl-trait/issue-55099-lifetime-inference.rs b/src/test/ui/type-alias-impl-trait/issue-55099-lifetime-inference.rs new file mode 100644 index 0000000000000..8e8508cdd6f30 --- /dev/null +++ b/src/test/ui/type-alias-impl-trait/issue-55099-lifetime-inference.rs @@ -0,0 +1,28 @@ +// check-pass +// Regression test for issue #55099 +// Tests that we don't incorrectly consider a lifetime to part +// of the concrete type + +#![feature(type_alias_impl_trait)] + +trait Future { +} + +struct AndThen(F); + +impl Future for AndThen { +} + +struct Foo<'a> { + x: &'a mut (), +} + +type F = impl Future; + +impl<'a> Foo<'a> { + fn reply(&mut self) -> F { + AndThen(|| ()) + } +} + +fn main() {}