Fixing ClearNonLiveTransition bug in combination with AccessorPairs.

test/mjsunit/regress/regress-133211b.js

Index: test/mjsunit/regress/regress-133211b.js
diff --git a/test/mjsunit/regress/regress-1369.js b/test/mjsunit/regress/regress-133211b.js
similarity index 87%
copy from test/mjsunit/regress/regress-1369.js
copy to test/mjsunit/regress/regress-133211b.js
index 48a8e7ede043a63073be00ca6d646e4db1f3b253..87e35f4561643dca7b9b9915c8bc4a7ef47a7a4a 100644
--- a/test/mjsunit/regress/regress-1369.js
+++ b/test/mjsunit/regress/regress-133211b.js
@@ -27,5 +27,13 @@
 
 // Flags: --expose-gc
 
-assertDoesNotThrow('gc.call(1)');
-assertDoesNotThrow('gc.call("asdf")');
+setter = function(x) { return; }
+var o = {};
+Object.defineProperty(o, "foo", { set: setter });
+var x = {};
+Object.defineProperty(x, "foo", { set: setter });
+x.bar = 20;
+x = {};
+gc();
+o.foo = 20;
+assertEquals(undefined, o.foo);