Reland "Keep track of array buffers in new space separately"

src/runtime/runtime-typedarray.cc

 // Copyright 2014 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.
 
 #include "src/v8.h"
 
 #include "src/arguments.h"
 #include "src/messages.h"
 #include "src/runtime/runtime.h"
 #include "src/runtime/runtime-utils.h"
@@ skipping 16 matching lines @@
   array_buffer->set_is_external(is_external);
   array_buffer->set_is_neuterable(shared == SharedFlag::kNotShared);
   array_buffer->set_is_shared(shared == SharedFlag::kShared);
 
   Handle<Object> byte_length =
       isolate->factory()->NewNumberFromSize(allocated_length);
   CHECK(byte_length->IsSmi() || byte_length->IsHeapNumber());
   array_buffer->set_byte_length(*byte_length);
 
   if (data && !is_external) {
-    isolate->heap()->RegisterNewArrayBuffer(data, allocated_length);
+    isolate->heap()->RegisterNewArrayBuffer(
+        isolate->heap()->InNewSpace(*array_buffer), data, allocated_length);
   }
 }
 
 
 bool Runtime::SetupArrayBufferAllocatingData(Isolate* isolate,
                                              Handle<JSArrayBuffer> array_buffer,
                                              size_t allocated_length,
                                              bool initialize,
                                              SharedFlag shared) {
   void* data;
@@ skipping 95 matching lines @@
     CHECK(Smi::FromInt(0) == array_buffer->byte_length());
     return isolate->heap()->undefined_value();
   }
   // Shared array buffers should never be neutered.
   RUNTIME_ASSERT(!array_buffer->is_shared());
   DCHECK(!array_buffer->is_external());
   void* backing_store = array_buffer->backing_store();
   size_t byte_length = NumberToSize(isolate, array_buffer->byte_length());
   array_buffer->set_is_external(true);
   Runtime::NeuterArrayBuffer(array_buffer);
-  isolate->heap()->UnregisterArrayBuffer(backing_store);
+  isolate->heap()->UnregisterArrayBuffer(
+      isolate->heap()->InNewSpace(*array_buffer), backing_store);
   isolate->array_buffer_allocator()->Free(backing_store, byte_length);
   return isolate->heap()->undefined_value();
 }
 
 
 void Runtime::ArrayIdToTypeAndSize(int arrayId, ExternalArrayType* array_type,
                                    ElementsKind* external_elements_kind,
                                    ElementsKind* fixed_elements_kind,
                                    size_t* element_size) {
   switch (arrayId) {
@@ skipping 583 matching lines @@
 DATA_VIEW_SETTER(Uint16, uint16_t)
 DATA_VIEW_SETTER(Int16, int16_t)
 DATA_VIEW_SETTER(Uint32, uint32_t)
 DATA_VIEW_SETTER(Int32, int32_t)
 DATA_VIEW_SETTER(Float32, float)
 DATA_VIEW_SETTER(Float64, double)
 
 #undef DATA_VIEW_SETTER
 }  // namespace internal
 }  // namespace v8