[Interpreter] Add support for loading literals from the constant pool.

src/heap/identity-map.h

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_HEAP_IDENTITY_MAP_H_
 #define V8_HEAP_IDENTITY_MAP_H_
 
+// Clients of this interface shouldn't depend on lots of heap internals.
+// Do not include anything from src/heap here!

[Michael Starzinger, 2015/08/28 12:21:04]

Likewise.

[rmcilroy, 2015/08/28 14:42:05]

Done.

 #include "src/handles.h"
 
 namespace v8 {
 namespace internal {
 
 // Forward declarations.
 class Heap;
 class Zone;
 
 // Base class of identity maps contains shared code for all template
@@ skipping 71 matching lines @@
 
   // Set the value for the given key.
   void Set(Handle<Object> key, V value) {
     *(reinterpret_cast<V*>(GetEntry(key))) = value;
   }
 };
 }
 }  // namespace v8::internal
 
 #endif  // V8_HEAP_IDENTITY_MAP_H_