Added support for strict mode parameter and object property validation.

Fixed a couple of crash bugs.


git-svn-id: http://v8.googlecode.com/svn/trunk@6521 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 21e318b..db9e2ef 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -57,8 +57,7 @@
 
 
 PropertyDetails PropertyDetails::AsDeleted() {
-  PropertyDetails d(DONT_ENUM, NORMAL);
-  Smi* smi = Smi::FromInt(AsSmi()->value() | DeletedField::encode(1));
+  Smi* smi = Smi::FromInt(value_ | DeletedField::encode(1));
   return PropertyDetails(smi);
 }