X64: Fixups in heap-test.cc to make it compile in X64 mode.

test/cctest/test-heap.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 
 #include <stdlib.h>
 
 #include "v8.h"
 
 #include "execution.h"
 #include "factory.h"
 #include "macro-assembler.h"
 #include "global-handles.h"
@@ skipping 297 matching lines @@
   GlobalHandles::Destroy(h2.location());
   GlobalHandles::Destroy(h4.location());
 }
 
 
 static bool WeakPointerCleared = false;
 
 static void TestWeakGlobalHandleCallback(v8::Persistent<v8::Value> handle,
                                          void* id) {
   USE(handle);
-  if (1234 == reinterpret_cast<int>(id)) WeakPointerCleared = true;
+  if (1234 == reinterpret_cast<intptr_t>(id)) WeakPointerCleared = true;
 }
 
 
 TEST(WeakGlobalHandlesScavenge) {
   InitializeVM();
 
   WeakPointerCleared = false;
 
   Object* i = Heap::AllocateStringFromAscii(CStrVector("fisk"));
   Object* u = Heap::AllocateHeapNumber(1.12344);
@@ skipping 49 matching lines @@
   CHECK(!GlobalHandles::IsNearDeath(h1.location()));
   CHECK(GlobalHandles::IsNearDeath(h2.location()));
 
   GlobalHandles::Destroy(h1.location());
   GlobalHandles::Destroy(h2.location());
 }
 
 static void TestDeleteWeakGlobalHandleCallback(
     v8::Persistent<v8::Value> handle,
     void* id) {
-  if (1234 == reinterpret_cast<int>(id)) WeakPointerCleared = true;
+  if (1234 == reinterpret_cast<intptr_t>(id)) WeakPointerCleared = true;
   handle.Dispose();
 }
 
 TEST(DeleteWeakGlobalHandle) {
   InitializeVM();
 
   WeakPointerCleared = false;
 
   Object* i = Heap::AllocateStringFromAscii(CStrVector("fisk"));
   Handle<Object> h = GlobalHandles::Create(i);
@@ skipping 377 matching lines @@
   objs[next_objs_index++] =
       Factory::NewStringFromAscii(CStrVector(str), TENURED);
   delete[] str;
 
   // Add a Map object to look for.
   objs[next_objs_index++] = Handle<Map>(HeapObject::cast(*objs[0])->map());
 
   CHECK_EQ(objs_count, next_objs_index);
   CHECK_EQ(objs_count, ObjectsFoundInHeap(objs, objs_count));
 }