[interpreter] Support for ES6 super keyword.

src/interpreter/bytecode-array-builder.h

Index: src/interpreter/bytecode-array-builder.h
diff --git a/src/interpreter/bytecode-array-builder.h b/src/interpreter/bytecode-array-builder.h
index 97ef492934e968dfae5162358eaab6b1702d792f..4ff7421536fe9f9b486bef21ebc131704fa36995 100644
--- a/src/interpreter/bytecode-array-builder.h
+++ b/src/interpreter/bytecode-array-builder.h
@@ -114,7 +114,7 @@ class BytecodeArrayBuilder final : public ZoneObject, private RegisterMover {
 
   // Named load property.
   BytecodeArrayBuilder& LoadNamedProperty(Register object,
-                                          const Handle<String> name,
+                                          const Handle<Name> name,
                                           int feedback_slot,
                                           LanguageMode language_mode);
   // Keyed load property. The key should be in the accumulator.
@@ -123,7 +123,7 @@ class BytecodeArrayBuilder final : public ZoneObject, private RegisterMover {
 
   // Store properties. The value to be stored should be in the accumulator.
   BytecodeArrayBuilder& StoreNamedProperty(Register object,
-                                           const Handle<String> name,
+                                           const Handle<Name> name,
                                            int feedback_slot,
                                            LanguageMode language_mode);
   BytecodeArrayBuilder& StoreKeyedProperty(Register object, Register key,
@@ -167,9 +167,10 @@ class BytecodeArrayBuilder final : public ZoneObject, private RegisterMover {
   BytecodeArrayBuilder& Call(Register callable, Register receiver_args,
                              size_t receiver_arg_count, int feedback_slot);
 
-  // Call the new operator. The |constructor| register is followed by
-  // |arg_count| consecutive registers containing arguments to be
-  // applied to the constructor.
+  // Call the new operator. The accumulator holds the |new_target|.
+  // The |constructor| is in a register followed by |arg_count|
+  // consecutive arguments starting at |first_arg| for the constuctor
+  // invocation.
   BytecodeArrayBuilder& New(Register constructor, Register first_arg,
                             size_t arg_count);