Smart pointer to %ignored class doesn't expose inherited methods fix.

Regression introduced in swig-3.0.9 by 3efdbc8
Closes #690

Examples/test-suite/common.mk

@@ -363,6 +363,7 @@ CPP_TEST_CASES += \
 	smart_pointer_const2 \
 	smart_pointer_const_overload \
 	smart_pointer_extend \
+	smart_pointer_ignore \
 	smart_pointer_member \
 	smart_pointer_multi \
 	smart_pointer_multi_typedef \

Examples/test-suite/java/smart_pointer_ignore_runme.java

@@ -0,0 +1,19 @@
+import smart_pointer_ignore.*;
+
+public class smart_pointer_ignore_runme {
+
+  static {
+    try {
+      System.loadLibrary("smart_pointer_ignore");
+    } catch (UnsatisfiedLinkError e) {
+      System.err.println("Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" + e);
+      System.exit(1);
+    }
+  }
+
+  public static void main(String argv[]) {
+    DerivedPtr d = smart_pointer_ignore.makeDerived();
+    d.base();
+    d.derived();
+  }
+}

Examples/test-suite/smart_pointer_ignore.i

@@ -0,0 +1,33 @@
+%module smart_pointer_ignore
+
+
+%ignore Derived;
+
+%inline %{
+class Base {
+  public:
+    void base() {}
+};
+
+class Derived : public Base {
+  public:
+    void derived() {}
+};
+
+template <class T>
+class Ptr {
+public:
+  Ptr(T *t) : ptr(t) {}
+  T * operator->() const { return ptr; }
+private:
+  T *ptr;
+};
+%}
+
+%template(DerivedPtr) Ptr<Derived>;
+
+%inline %{
+Ptr<Derived> makeDerived() {
+  return Ptr<Derived>(new Derived());
+}
+%}