diff options
Diffstat (limited to 'tests/ui/type-alias-impl-trait/issue-57611-trait-alias.rs')
-rw-r--r-- | tests/ui/type-alias-impl-trait/issue-57611-trait-alias.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/ui/type-alias-impl-trait/issue-57611-trait-alias.rs b/tests/ui/type-alias-impl-trait/issue-57611-trait-alias.rs new file mode 100644 index 000000000..cad3e0f66 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/issue-57611-trait-alias.rs @@ -0,0 +1,26 @@ +// check-pass +// Regression test for issue #57611 +// Ensures that we don't ICE + +#![feature(trait_alias)] +#![feature(type_alias_impl_trait)] + +trait Foo { + type Bar: Baz<Self, Self>; + + fn bar(&self) -> Self::Bar; +} + +struct X; + +impl Foo for X { + type Bar = impl Baz<Self, Self>; + + fn bar(&self) -> Self::Bar { + |x| x + } +} + +trait Baz<A: ?Sized, B: ?Sized> = Fn(&A) -> &B; + +fn main() {} |