diff options
Diffstat (limited to 'tests/ui/type-alias-impl-trait/issue-84660-trait-impl-for-tait.rs')
-rw-r--r-- | tests/ui/type-alias-impl-trait/issue-84660-trait-impl-for-tait.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/ui/type-alias-impl-trait/issue-84660-trait-impl-for-tait.rs b/tests/ui/type-alias-impl-trait/issue-84660-trait-impl-for-tait.rs new file mode 100644 index 000000000..2ba4befea --- /dev/null +++ b/tests/ui/type-alias-impl-trait/issue-84660-trait-impl-for-tait.rs @@ -0,0 +1,25 @@ +// Regression test for issues #84660 and #86411: both are variations on #76202. +// Tests that we don't ICE when we have an opaque type appearing anywhere in an impl header. + +// check-pass + +#![feature(type_alias_impl_trait)] + +trait Foo {} +impl Foo for () {} +type Bar = impl Foo; +fn _defining_use() -> Bar {} + +trait TraitArg<T> { + fn f(); +} + +impl TraitArg<Bar> for () { + fn f() { + println!("ho"); + } +} + +fn main() { + <() as TraitArg<Bar>>::f(); +} |