Fixed space leak in Interface class.

src/interface.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 71 matching lines @@
     this->Print(Nesting::current());
     PrintF("%*s%s : ", Nesting::current(), "",
            (*static_cast<String**>(name))->ToAsciiArray());
     interface->Print(Nesting::current());
   }
 #endif
 
   ZoneHashMap** map = &Chase()->exports_;
   ZoneAllocationPolicy allocator(zone);
 
-  if (*map == NULL)
-    *map = new ZoneHashMap(Match, ZoneHashMap::kDefaultHashMapCapacity,
-                           allocator);
+  if (*map == NULL) {
+    *map = new(zone->New(sizeof(ZoneHashMap)))
+        ZoneHashMap(Match, ZoneHashMap::kDefaultHashMapCapacity, allocator);
+  }
 
   ZoneHashMap::Entry* p = (*map)->Lookup(name, hash, !IsFrozen(), allocator);
   if (p == NULL) {
     // This didn't have name but was frozen already, that's an error.
     *ok = false;
   } else if (p->value == NULL) {
     p->value = interface;
   } else {
 #ifdef DEBUG
     Nesting nested;
@@ skipping 130 matching lines @@
         PrintF("%*s%s : ", n0 + 2, "", name->ToAsciiArray());
         interface->Print(n0 + 2);
       }
       PrintF("%*s}\n", n0, "");
     }
   }
 }
 #endif
 
 } }  // namespace v8::internal