[Isolates] Merge 6700:7030 from bleeding_edge to isolates.

src/frame-element.h

 // Copyright 2009 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 88 matching lines @@
 
   // Factory function to construct a frame element whose value is known at
   // compile time.
   static FrameElement ConstantElement(Handle<Object> value,
                                       SyncFlag is_synced) {
     TypeInfo info = TypeInfo::TypeFromValue(value);
     FrameElement result(value, is_synced, info);
     return result;
   }
 
+  static bool ConstantPoolOverflowed() {
+    return !DataField::is_valid(
+        Isolate::Current()->frame_element_constant_list()->length());
+  }
+
   bool is_synced() const { return SyncedField::decode(value_); }
 
   void set_sync() {
     ASSERT(type() != MEMORY);
     value_ = value_ | SyncedField::encode(true);
   }
 
   void clear_sync() {
     ASSERT(type() != MEMORY);
     value_ = value_ & ~SyncedField::mask();
@@ skipping 136 matching lines @@
   class UntaggedInt32Field: public BitField<bool, 5, 1> {};
   class TypeInfoField: public BitField<int, 6, 7> {};
   class DataField: public BitField<uint32_t, 13, 32 - 13> {};
 
   friend class VirtualFrame;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_FRAME_ELEMENT_H_