1 files changed, 43 insertions, 0 deletions
diff --git a/src/test/ui/type-alias-impl-trait/implied_lifetime_wf_check3.rs b/src/test/ui/type-alias-impl-trait/implied_lifetime_wf_check3.rs
new file mode 100644
index 000000000..07f825aea
--- /dev/null
+++ b/src/test/ui/type-alias-impl-trait/implied_lifetime_wf_check3.rs
@@ -0,0 +1,43 @@
+#![feature(type_alias_impl_trait)]
+
+mod test_lifetime_param {
+    type Ty<'a> = impl Sized + 'a;
+    fn defining(a: &str) -> Ty<'_> { a }
+    fn assert_static<'a: 'static>() {}
+    //~^ WARN: unnecessary lifetime parameter `'a`
+    fn test<'a>() where Ty<'a>: 'static { assert_static::<'a>() }
+    //~^ ERROR: lifetime may not live long enough
+}
+
+mod test_higher_kinded_lifetime_param {
+    type Ty<'a> = impl Sized + 'a;
+    fn defining(a: &str) -> Ty<'_> { a }
+    fn assert_static<'a: 'static>() {}
+    //~^ WARN: unnecessary lifetime parameter `'a`
+    fn test<'a>() where for<'b> Ty<'b>: 'a { assert_static::<'a>() }
+    //~^ ERROR: lifetime may not live long enough
+}
+
+mod test_higher_kinded_lifetime_param2 {
+    fn assert_static<'a: 'static>() {}
+    //~^ WARN: unnecessary lifetime parameter `'a`
+    fn test<'a>() { assert_static::<'a>() }
+    //~^ ERROR: lifetime may not live long enough
+}
+
+mod test_type_param {
+    type Ty<A> = impl Sized;
+    fn defining<A>(s: A) -> Ty<A> { s }
+    fn assert_static<A: 'static>() {}
+    fn test<A>() where Ty<A>: 'static { assert_static::<A>() }
+    //~^ ERROR: parameter type `A` may not live long enough
+}
+
+mod test_implied_from_fn_sig {
+    type Opaque<T: 'static> = impl Sized;
+    fn defining<T: 'static>() -> Opaque<T> {}
+    fn assert_static<T: 'static>() {}
+    fn test<T>(_: Opaque<T>) { assert_static::<T>(); }
+}
+
+fn main() {}