- Change the layout of external typed array objects to avoid the extra indirection when accessing e…

runtime/bin/io_buffer.cc

Index: runtime/bin/io_buffer.cc
===================================================================
--- runtime/bin/io_buffer.cc	(revision 17875)
+++ runtime/bin/io_buffer.cc	(working copy)
@@ -6,7 +6,8 @@
 
 Dart_Handle IOBuffer::Allocate(intptr_t size, uint8_t **buffer) {
   uint8_t* data = Allocate(size);
-  Dart_Handle result = Dart_NewExternalByteArray(data, size, data, Free);
+  Dart_Handle result = Dart_NewExternalByteArray(data, size,
+                                                 data, IOBuffer::Finalizer);
   if (Dart_IsError(result)) {
     Free(data);
     Dart_PropagateError(result);