As discussed on the phone, I'd like your thoughts on the...

src/assembler.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 546 matching lines @@
 
 
 ExternalReference ExternalReference::new_space_start() {
   return ExternalReference(Heap::NewSpaceStart());
 }
 
 ExternalReference ExternalReference::new_space_allocation_top_address() {
   return ExternalReference(Heap::NewSpaceAllocationTopAddress());
 }
 
+ExternalReference ExternalReference::heap_always_allocate_scope_depth() {
+  return ExternalReference(Heap::always_allocate_scope_depth_address());
+}
+
 ExternalReference ExternalReference::new_space_allocation_limit_address() {
   return ExternalReference(Heap::NewSpaceAllocationLimitAddress());
 }
 
 ExternalReference ExternalReference::debug_step_in_fp_address() {
   return ExternalReference(Debug::step_in_fp_addr());
 }
 
 } }  // namespace v8::internal