[svn r77] Fixed foreach on slice.

Fixed some nested function problems when accessing outer function parameters.
Major changes to handling of structs.
Initial support for unions.
Probably more...

test/nested4.d

@@ -0,0 +1,12 @@
+module nested4;
+
+void func(void delegate() dg) {
+  auto v = (){
+    dg();
+  };
+}
+
+void main()
+{
+    func({});
+}