Fix external allocated memory accounting to use 64 bit values on

src/heap-inl.h

 // 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 442 matching lines @@
       unflattened_strings_length_ >= kFlattenLongThreshold) {
     return obj;
   }
   if (obj->IsFailure()) {
     unflattened_strings_length_ += length;
   }
   return str;
 }
 
 
-int Heap::AdjustAmountOfExternalAllocatedMemory(int change_in_bytes) {
+intptr_t Heap::AdjustAmountOfExternalAllocatedMemory(
+    intptr_t change_in_bytes) {
   ASSERT(HasBeenSetUp());
-  int amount = amount_of_external_allocated_memory_ + change_in_bytes;
+  intptr_t amount = amount_of_external_allocated_memory_ + change_in_bytes;
   if (change_in_bytes >= 0) {
     // Avoid overflow.
     if (amount > amount_of_external_allocated_memory_) {
       amount_of_external_allocated_memory_ = amount;
     }
-    int amount_since_last_global_gc =
+    intptr_t amount_since_last_global_gc =
         amount_of_external_allocated_memory_ -
         amount_of_external_allocated_memory_at_last_global_gc_;
     if (amount_since_last_global_gc > external_allocation_limit_) {
       CollectAllGarbage(kNoGCFlags, "external memory allocation limit reached");
     }
   } else {
     // Avoid underflow.
     if (amount >= 0) {
       amount_of_external_allocated_memory_ = amount;
     }
@@ skipping 301 matching lines @@
 AssertNoAllocation::~AssertNoAllocation() { }
 DisableAssertNoAllocation::DisableAssertNoAllocation() { }
 DisableAssertNoAllocation::~DisableAssertNoAllocation() { }
 
 #endif
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_INL_H_