* fixed empty superregister set detection in constructor

git-svn-id: trunk@4333 -

compiler/rgobj.pas

@@ -368,7 +368,7 @@ unit rgobj;
          i : Tsuperregister;
        begin
          { empty super register sets can cause very strange problems }
-         if high(Ausable)=0 then
+         if high(Ausable)=-1 then
            internalerror(200210181);
          extend_live_range_backwards := false;
          supregset_reset(extended_backwards,false,high(tsuperregister));