WIP SharedArrayBuffer implementation

src/accessors.cc

Index: src/accessors.cc
diff --git a/src/accessors.cc b/src/accessors.cc
index f220b829bf9dc0226e75bdfaa74bed46534520e4..caac40da015df3929752df41d9224bd343400899 100644
--- a/src/accessors.cc
+++ b/src/accessors.cc
@@ -79,6 +79,7 @@ bool Accessors::IsJSObjectFieldAccessor(Handle<Map> map, Handle<Name> name,
         CheckForName(name, isolate->factory()->length_string(),
                      JSArray::kLengthOffset, object_offset);
     case JS_ARRAY_BUFFER_TYPE:
+    case JS_SHARED_ARRAY_BUFFER_TYPE:
       return CheckForName(name, isolate->factory()->byte_length_string(),
                           JSArrayBuffer::kByteLengthOffset, object_offset);
     default:
@@ -99,6 +100,7 @@ bool Accessors::IsJSArrayBufferViewFieldAccessor(Handle<Map> map,
 
   switch (map->instance_type()) {
     case JS_TYPED_ARRAY_TYPE:
+    case JS_SHARED_TYPED_ARRAY_TYPE:

[jochen (gone - plz use gerrit), 2015/04/28 18:31:46]

can shared array buffers be neutered?

[binji, 2015/04/29 18:27:22]

no, does that affect the code here?

       // %TypedArray%.prototype is non-configurable, and so are the following
       // named properties on %TypedArray%.prototype, so we can directly inline
       // the field-load for typed array maps that still use their