[svn r76] Fixed: TypeInfo for structs.

Fixed: PostExp was unable to allocate storage for parameters.
Fixed: Many types of functions and delegates were broken.
Misc cleanups.

test/bug38.d

@@ -0,0 +1,12 @@
+module bug38;
+
+void func(int* p)
+{
+    p++;
+}
+
+void main()
+{
+    int i;
+    func(&i);
+}