8004747: Remove last_entry from VM_STRUCT macros Summary: Instead of passing in last_entry to all the VM_ macros just expand it in the main vmStructs.cpp file. Reviewed-by: dholmes, sspitsyn, minqi

// I can cast any old thing I want to this type object:
public class You_Have_Been_P0wned {
  // Make a bunch of int-fields so I can peek & poke it
  int _a;
  int _b;
  int _c;
  int _d;

}