update swig on windows

winx64/bin/swigwin-4.0.0/Examples/test-suite/using_pointers.i

@@ -0,0 +1,36 @@
+%module using_pointers
+
+#ifdef SWIGCSHARP
+%csmethodmodifiers x "public new"
+#endif
+
+// throw is invalid in C++17 and later, only SWIG to use it
+#define TESTCASE_THROW2(T1, T2) throw(T1, T2)
+%{
+#define TESTCASE_THROW2(T1, T2)
+%}
+
+%inline %{
+  class Foo {
+  public:
+    int x;
+    virtual ~Foo() { }
+    virtual Foo* blah() { return this; }
+    virtual Foo* exception_spec(int what_to_throw) TESTCASE_THROW2(int, const char *) {
+      int num = 10;
+      const char *str = "exception message";
+      if (what_to_throw == 1) throw num;
+      else if (what_to_throw == 2) throw str;
+      return 0;
+    }
+  };
+
+  class FooBar : public Foo {
+  public:
+    using Foo::blah;
+    using Foo::x;
+    using Foo::exception_spec;
+  };
+
+%}
+