fcl-passrc: comment

git-svn-id: trunk@49121 -
(cherry picked from commit d28cf7c393008263d66ebec22f16c48a417f2ee6)

packages/fcl-passrc/src/pasresolver.pp

@@ -10628,6 +10628,7 @@ begin
     end;
   eopAdd:
     begin
+    // handle multi add
     Left:=El.left;
     while (Left.ClassType=TBinaryExpr) do
       begin