[interpreter] Support for ES6 class literals.

src/interpreter/bytecode-array-builder.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/interpreter/bytecode-array-builder.h"
 
 namespace v8 {
 namespace internal {
 namespace interpreter {
 
@@ skipping 308 matching lines @@
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::LoadBooleanConstant(bool value) {
   if (value) {
     LoadTrue();
   } else {
     LoadFalse();
   }
   return *this;
 }
 
+BytecodeArrayBuilder& BytecodeArrayBuilder::LoadPrototypeOrInitialMap() {
+  Output(Bytecode::kLdaInitialMap);
+  return *this;
+}
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::LoadAccumulatorWithRegister(
     Register reg) {
   if (!IsRegisterInAccumulator(reg)) {
     Output(Bytecode::kLdar, reg.ToRawOperand());
   }
   return *this;
 }
 
 
@@ skipping 1344 matching lines @@
 }
 
 // static
 bool BytecodeArrayBuilder::FitsInReg16OperandUntranslated(Register value) {
   return value.is_short_operand();
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8