Test case showing that issue 324 is resolved.

src/test/run-pass/obj-self-4.rs

@@ -0,0 +1,39 @@
+// xfail-boot
+fn main() {
+
+  obj foo(mutable int i) {
+      fn inc_by(int incr) -> int {
+          i += incr;
+          ret i;
+      }
+
+      fn inc_by_5() -> int {
+          ret self.inc_by(5);
+      }
+
+      // A test case showing that issue #324 is resolved.  (It used to
+      // be that commenting out this (unused!) function produced a
+      // type error.)
+      // fn wrapper(int incr) -> int {
+      //     ret self.inc_by(incr);
+      // }
+
+      fn get() -> int {
+          ret i;
+      }
+  }
+  
+  let int res;
+  auto o = foo(5);
+  
+  res = o.get();
+  assert (res == 5);
+
+  res = o.inc_by(3);
+  assert (res == 8);
+  
+  res = o.get();
+  assert (res == 8);
+
+}
+