Fix debug print and wrong handle dereference in es6 typed array.

R=dslomov@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/14149009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14330 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/api.cc

@@ -623,6 +623,9 @@ i::Object** V8::GlobalizeReference(i::Isolate* isolate, i::Object** obj) {
   if (IsDeadCheck(isolate, "V8::Persistent::New")) return NULL;
   LOG_API(isolate, "Persistent::New");
   i::Handle<i::Object> result = isolate->global_handles()->Create(*obj);
+#ifdef DEBUG
+  (*obj)->Verify();
+#endif  // DEBUG
   return result.location();
 }
 

src/objects-printer.cc

@@ -187,8 +187,10 @@ void HeapObject::HeapObjectPrint(FILE* out) {
       break;
     case JS_ARRAY_BUFFER_TYPE:
       JSArrayBuffer::cast(this)->JSArrayBufferPrint(out);
+      break;
     case JS_TYPED_ARRAY_TYPE:
       JSTypedArray::cast(this)->JSTypedArrayPrint(out);
+      break;
 #define MAKE_STRUCT_CASE(NAME, Name, name) \
   case NAME##_TYPE:                        \
     Name::cast(this)->Name##Print(out);    \

src/runtime.cc

@@ -706,9 +706,8 @@ RUNTIME_FUNCTION(MaybeObject*, Runtime_ArrayBufferInitialize) {
   holder->set_byte_length(byte_length);
 
   v8::Isolate* external_isolate = reinterpret_cast<v8::Isolate*>(isolate);
-  v8::Handle<Object> external_holder(*holder);
-  Persistent<Object> weak_handle = Persistent<Object>::New(
-      external_isolate, external_holder);
+  v8::Persistent<v8::Value> weak_handle = v8::Persistent<v8::Value>::New(
+      external_isolate, v8::Utils::ToLocal(Handle<Object>::cast(holder)));
   weak_handle.MakeWeak(external_isolate, data, ArrayBufferWeakCallback);
   weak_handle.MarkIndependent(external_isolate);
   isolate->heap()->AdjustAmountOfExternalAllocatedMemory(allocated_length);
@@ -734,8 +733,7 @@ RUNTIME_FUNCTION(MaybeObject*, Runtime_ArrayBufferSliceImpl) {
   size_t start = static_cast<size_t>(first);
   size_t target_length = NumberToSize(isolate, target->byte_length());
 
-  if (target_length == 0)
-    return isolate->heap()->undefined_value();
+  if (target_length == 0) return isolate->heap()->undefined_value();
 
   ASSERT(NumberToSize(isolate, source->byte_length()) - target_length >= start);
   uint8_t* source_data = reinterpret_cast<uint8_t*>(source->backing_store());