Revert of Tenure descriptor arrays.

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 65b1524b981933a6a829a4fe084918bddd0e16ff..d32450d97acd84a57176495ce19a2204659dd349 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -10507,7 +10507,7 @@
   int size = number_of_descriptors + slack;
   if (size == 0) return factory->empty_descriptor_array();
   // Allocate the array of keys.
-  Handle<FixedArray> result = factory->NewFixedArray(LengthFor(size), TENURED);
+  Handle<FixedArray> result = factory->NewFixedArray(LengthFor(size));
 
   result->set(kDescriptorLengthIndex, Smi::FromInt(number_of_descriptors));
   result->set(kEnumCacheIndex, Smi::FromInt(0));