ES6: Add support for super in object literals

src/hydrogen.cc

Index: src/hydrogen.cc
diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index 6184bb9e46b25c6a22015b216a3e60046a537f2d..f9aa516cde09290c63f6c4b50df05137c670fe5f 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -5625,6 +5625,19 @@ void HOptimizedGraphBuilder::VisitObjectLiteral(ObjectLiteral* expr) {
           if (property->emit_store()) {
             CHECK_ALIVE(VisitForValue(value));
             HValue* value = Pop();
+
+            // Add [[HomeObject]] to function literals.
+            if (property->value()->IsFunctionLiteral() &&
+                property->value()->AsFunctionLiteral()->needs_super_binding()) {
+              Handle<Symbol> sym = isolate()->factory()->home_object_symbol();
+              HInstruction* store_home = BuildKeyedGeneric(
+                  STORE, NULL, value, Add<HConstant>(sym), literal);
+              AddInstruction(store_home);
+              if (store_home->HasObservableSideEffects()) {

[Dmitry Lomov (no reviews), 2014/11/11 11:50:38]

Since it is a store, it will always have side effects, so replace this 'if' with
a DCHECK

[arv (Not doing code reviews), 2014/11/11 17:19:07]

Done.

+                Add<HSimulate>(property->value()->id(), REMOVABLE_SIMULATE);
+              }
+            }
+
             Handle<Map> map = property->GetReceiverType();
             Handle<String> name = property->key()->AsPropertyName();
             HInstruction* store;