1 files changed, 15 insertions, 0 deletions
diff --git a/src/test/ui/associated-types/issue-20005.rs b/src/test/ui/associated-types/issue-20005.rs
new file mode 100644
index 000000000..36350bff1
--- /dev/null
+++ b/src/test/ui/associated-types/issue-20005.rs
@@ -0,0 +1,15 @@
+trait From<Src> {
+    type Result;
+
+    fn from(src: Src) -> Self::Result;
+}
+
+trait To {
+    fn to<Dst>(
+        self
+    ) -> <Dst as From<Self>>::Result where Dst: From<Self> { //~ ERROR the size for values of type
+        From::from(self)
+    }
+}
+
+fn main() {}