+ * 29.10.2002 Goetz
+ Representation of value compounds is not good, especially with
+ calls.
+
+ * 29.10.2002 Goetz
+ We can not represent bitfield members of structs in C.
+ A struct can have fields with n bits, n e.g. set to 3...
+
+ * 29.10.2002 Goetz
+ If parameter variables are dereferenced they must be represented
+ by an entity in the stack frame type. We need a mechanism to
+ find out which fields were parameters so that the parameter
+ passing space on the frame can be used for the parameters.
+