Apply patch #3066958 from Mikael Johansson to fix default smart pointer handling when the smart pointer contains both a const and non-const operator->.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@12240 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/smart_pointer_const_overload.i

@@ -0,0 +1,74 @@
+%module smart_pointer_const_overload
+
+%warnfilter(SWIGWARN_LANG_OVERLOAD_IGNORED) Bar::operator->;      // Overloaded method Bar::operator ->() ignored
+%warnfilter(SWIGWARN_LANG_OVERLOAD_IGNORED) Bar2::operator->;     // Overloaded method Bar2::operator ->() ignored
+
+%inline %{
+int CONST_ACCESS = 1;
+int MUTABLE_ACCESS = 2;
+
+int *new_int(int ivalue) {
+  int *i = (int *) malloc(sizeof(ivalue));
+  *i = ivalue;
+  return i;
+}
+
+int get_int(int *i) {
+  return *i;
+}
+
+void set_int(int *i, int ivalue) {
+  *i = ivalue;
+}
+
+void delete_int(int *i) {
+  free(i);
+}
+
+struct Foo {
+   int x;
+   int * const xp;
+   const int y;
+   const int *yp;
+   int access;
+   Foo() : x(0), xp(&x), y(0), yp(&y), access(0) { }
+   int getx() const { return x; }
+   void setx(int x_) { x = x_; }
+   static void stat() {}
+};
+%}
+
+%extend Foo {
+   int getx2() const { return self->x; }
+   void setx2(int x_) { self->x = x_; }
+};
+
+%inline %{
+class Bar {
+   Foo *f;
+public:
+   Bar(Foo *f) : f(f) { }
+   const Foo *operator->() const {
+       f->access = CONST_ACCESS;
+       return f;
+   }
+   Foo *operator->() {
+       f->access = MUTABLE_ACCESS;
+       return f;
+   }
+};
+
+class Bar2 {
+   Foo *f;
+public:
+   Bar2(Foo *f) : f(f) { }
+   Foo *operator->() {
+       f->access = MUTABLE_ACCESS;
+       return f;
+   }
+   const Foo *operator->() const {
+       f->access = CONST_ACCESS;
+       return f;
+   }
+};
+%}