1 files changed, 45 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-69306.rs b/src/test/ui/issues/issue-69306.rs
new file mode 100644
index 000000000..85d60952a
--- /dev/null
+++ b/src/test/ui/issues/issue-69306.rs
@@ -0,0 +1,45 @@
+fn main() {}
+
+struct S0<T>(T);
+impl<T> S0<T> {
+    const C: S0<u8> = Self(0);
+    //~^ ERROR mismatched types
+    //~| ERROR mismatched types
+
+    fn foo() {
+        Self(0);
+        //~^ ERROR mismatched types
+    }
+}
+
+// Testing normalization.
+trait Fun {
+    type Out;
+}
+impl<T> Fun for S0<T> {
+    type Out = Self;
+}
+trait Foo<T> {
+    fn foo();
+}
+impl<T> Foo<T> for <S0<T> as Fun>::Out {
+    fn foo() {
+        Self(0); //~ ERROR mismatched types
+    }
+}
+
+struct S1<T, U>(T, U);
+impl<T> S1<T, u8> {
+    const C: S1<u8, u8> = Self(0, 1);
+    //~^ ERROR mismatched types
+    //~| ERROR mismatched types
+}
+
+struct S2<T>(T);
+impl<T> S2<T> {
+    fn map<U>(x: U) -> S2<U> {
+        Self(x)
+        //~^ ERROR mismatched types
+        //~| ERROR mismatched types
+    }
+}