1 files changed, 18 insertions, 0 deletions
diff --git a/src/test/ui/traits/issue-3683.rs b/src/test/ui/traits/issue-3683.rs
new file mode 100644
index 000000000..b12c450c9
--- /dev/null
+++ b/src/test/ui/traits/issue-3683.rs
@@ -0,0 +1,18 @@
+// run-pass
+
+trait Foo {
+    fn a(&self) -> isize;
+    fn b(&self) -> isize {
+        self.a() + 2
+    }
+}
+
+impl Foo for isize {
+    fn a(&self) -> isize {
+        3
+    }
+}
+
+pub fn main() {
+    assert_eq!(3.b(), 5);
+}