More removal of write barriers and a rename to a less scary name.

src/runtime.cc

 // Copyright 2011 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 7979 matching lines @@
   // Allocate the elements if needed.
   if (length > 0) {
     // Allocate the fixed array.
     Object* obj;
     { MaybeObject* maybe_obj = isolate->heap()->AllocateRawFixedArray(length);
       if (!maybe_obj->ToObject(&obj)) return maybe_obj;
     }
 
     AssertNoAllocation no_gc;
     FixedArray* array = reinterpret_cast<FixedArray*>(obj);
-    array->set_map(isolate->heap()->fixed_array_map());
+    array->set_map_no_wb(isolate->heap()->fixed_array_map());
     array->set_length(length);
 
     WriteBarrierMode mode = array->GetWriteBarrierMode(no_gc);
     for (int i = 0; i < length; i++) {
       array->set(i, *--parameters, mode);
     }
     JSObject::cast(result)->set_elements(FixedArray::cast(obj));
   }
   return result;
 }
@@ skipping 99 matching lines @@
     int array_size = JSFunction::kBoundArgumentsStartIndex + argc;
     new_bindings = isolate->factory()->NewFixedArray(array_size);
     new_bindings->set(JSFunction::kBoundFunctionIndex, *bindee);
     new_bindings->set(JSFunction::kBoundThisIndex, args[2]);
     i = 2;
   }
   // Copy arguments, skipping the first which is "this_arg".
   for (int j = 0; j < argc; j++, i++) {
     new_bindings->set(i, *arguments[j + 1]);
   }
-  new_bindings->set_map(isolate->heap()->fixed_cow_array_map());
+  new_bindings->set_map_no_wb(isolate->heap()->fixed_cow_array_map());
   bound_function->set_function_bindings(*new_bindings);
 
   // Update length.
   Handle<String> length_symbol = isolate->factory()->length_symbol();
   Handle<Object> new_length(args.at<Object>(3));
   PropertyAttributes attr =
       static_cast<PropertyAttributes>(DONT_DELETE | DONT_ENUM | READ_ONLY);
   ForceSetProperty(bound_function, length_symbol, new_length, attr);
   return *bound_function;
 }
@@ skipping 5437 matching lines @@
   } else {
     // Handle last resort GC and make sure to allow future allocations
     // to grow the heap without causing GCs (if possible).
     isolate->counters()->gc_last_resort_from_js()->Increment();
     isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags);
   }
 }
 
 
 } }  // namespace v8::internal