Move prototype metadata from internal properties to prototype maps

test/mjsunit/regress/regress-put-prototype-transition.js

Index: test/mjsunit/regress/regress-put-prototype-transition.js
diff --git a/test/mjsunit/regress/regress-put-prototype-transition.js b/test/mjsunit/regress/regress-put-prototype-transition.js
index f720bd621628681976c4eb74758229196ce3c380..70f0074683bc87204328c66cb5384f6cb10e3264 100644
--- a/test/mjsunit/regress/regress-put-prototype-transition.js
+++ b/test/mjsunit/regress/regress-put-prototype-transition.js
@@ -35,7 +35,7 @@ function __f_1(__v_4, add_first, __v_6, same_map_as) {
     __f_0(__v_1, __v_6);
     assertTrue(%HasFastProperties(__v_1));
     __f_4(__v_1);
-    assertFalse(%HasFastProperties(__v_1));
+    assertTrue(%HasFastProperties(__v_1));
   }
 }
 gc();